2008 Periodic Emissions Inventory
for
Carbon Monoxide

for the
Maricopa County, Arizona, Maintenance Area

November 2012

This page intentionally blank.

2008 Periodic Emission Inventory for Carbon Monoxide
for the Maricopa County, Arizona Maintenance Area
Table of Contents
1. Introduction .............................................................................................................................. 1
1.1 Overview............................................................................................................................ 1
1.2 Agencies responsible for the emissions inventory............................................................. 1
1.3 Temporal scope .................................................................................................................. 2
1.4 Geographic scope............................................................................................................... 2
1.5 Overview of local demographic and land-use data............................................................ 3
1.5.1 Demographic data ................................................................................................... 3
1.5.2 Land-use data .......................................................................................................... 3
1.6 Emissions overview by source category ............................................................................ 4
1.6.1 Point sources ........................................................................................................... 4
1.6.2 Area sources ............................................................................................................ 4
1.6.3 Nonroad mobile sources ......................................................................................... 4
1.6.4 Onroad mobile sources ........................................................................................... 5
1.6.5 Biogenic sources ..................................................................................................... 5
2. Point Sources............................................................................................................................. 7
2.1 Introduction and scope ....................................................................................................... 7
2.2 Identification of CO point sources ..................................................................................... 7
2.3 Procedures for estimating emissions from point sources .................................................. 8
2.3.1 Application of rule effectiveness ............................................................................ 9
2.4 Detailed overview of point source emissions .................................................................... 9
2.5 Emission reduction credits ............................................................................................... 10
2.6 Summary of point source emissions ................................................................................ 10
2.7 Quality assurance / quality control procedures ................................................................ 11
2.7.1 Emission survey preparation and data collection.................................................. 11
2.7.2 Submission processing .......................................................................................... 12
2.7.3 Analysis of annual point source emissions data for this inventory....................... 12
2.8 References........................................................................................................................ 13
3. Area Sources ........................................................................................................................... 15
3.1 Scope and methodology ................................................................................................... 15
3.2 Fuel combustion............................................................................................................... 16
3.2.1 Industrial natural gas ............................................................................................. 16
3.2.2 Industrial fuel oil ................................................................................................... 17
3.2.3 Commercial/institutional natural gas .................................................................... 18
3.2.4 Commercial/institutional fuel oil .......................................................................... 19
3.2.5 Residential natural gas .......................................................................................... 20
3.2.6 Residential wood combustion ............................................................................... 21
3.2.7 Residential fuel oil ................................................................................................ 22
3.3 Industrial processes .......................................................................................................... 22
3.3.1 Secondary metal production ................................................................................. 22
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3.4

3.5

3.6
3.7
3.8

3.3.2 Commercial cooking ............................................................................................. 22
3.3.3 State-permitted portable sources ........................................................................... 23
3.3.4 Industrial processes, not elsewhere classified (NEC) ........................................... 24
3.3.5 Electrical equipment manufacturing ..................................................................... 25
Waste treatment and disposal .......................................................................................... 25
3.4.1 On-site incineration............................................................................................... 25
3.4.2 Open burning ........................................................................................................ 26
3.4.3 Landfills ................................................................................................................ 28
3.4.4 Other industrial waste disposal ............................................................................. 28
Miscellaneous area sources.............................................................................................. 28
3.5.1 Other combustion .................................................................................................. 28
3.5.1.1 Wildfires .................................................................................................. 28
3.5.1.2 Prescribed fires ........................................................................................ 31
3.5.1.3 Structure fires........................................................................................... 31
3.5.1.4 Vehicle fires ............................................................................................. 32
3.5.1.5 Engine testing .......................................................................................... 33
3.5.2 Health services: crematories ................................................................................. 33
Summary of area source emissions.................................................................................. 34
Quality assurance / quality control procedures ................................................................ 35
References........................................................................................................................ 36

4. Nonroad Mobile Sources........................................................................................................ 39
4.1 Introduction...................................................................................................................... 39
4.2 Agricultural equipment .................................................................................................... 41
4.3 Airport ground support equipment .................................................................................. 41
4.4 Commercial equipment .................................................................................................... 42
4.5 Construction and mining equipment ................................................................................ 42
4.6 Industrial equipment ........................................................................................................ 43
4.7 Lawn and garden equipment ............................................................................................ 43
4.8 Pleasure craft ................................................................................................................... 44
4.9 Railway maintenance equipment ..................................................................................... 44
4.10 Recreational equipment ................................................................................................... 44
4.11 Aircraft ............................................................................................................................. 45
4.12 Locomotives .................................................................................................................... 49
4.13 Summary of all nonroad mobile source emissions .......................................................... 50
4.14 Quality assurance procedures .......................................................................................... 50
4.15 References........................................................................................................................ 50
5. Onroad Mobile Sources ......................................................................................................... 53
5.1 Introduction...................................................................................................................... 53
5.2 Exhaust emissions ............................................................................................................ 53
5.2.1 MOVES2010b model............................................................................................ 53
5.2.2 MOVES2010b local input data ............................................................................. 54
5.2.2.1 Fuel data................................................................................................... 54
5.2.2.2 I/M programs ........................................................................................... 54
5.2.2.3 Meteorological data ................................................................................. 54
5.2.2.4 Vehicle population ................................................................................... 55
5.2.2.5 Source type age distribution .................................................................... 55
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5.2.2.6 Annual VMT ............................................................................................ 55
5.2.2.7 Road type distribution.............................................................................. 56
5.2.2.8 VMT fraction ........................................................................................... 56
5.2.2.9 Average speed distribution ...................................................................... 56
5.2.2.10 Ramp fraction ......................................................................................... 57
5.2.2.11 AVFT strategy ........................................................................................ 57
5.2.3 MOVES2010b outputs .......................................................................................... 57
5.2.4 MOVES2010b emission estimates ....................................................................... 57
5.3 Summary of CO emissions from onroad mobile sources ................................................ 61
5.4 Quality assurance process ................................................................................................ 61
5.4.1 VMT estimates ...................................................................................................... 61
5.4.2 Emission estimates ................................................................................................ 61
5.4.3 Draft CO emissions inventory .............................................................................. 61
5.5 References........................................................................................................................ 62
6. Biogenic Sources ..................................................................................................................... 63
6.1 Introduction...................................................................................................................... 63
6.2 Modeling domain ............................................................................................................. 63
6.3 Input data ......................................................................................................................... 63
6.3.1 Land cover data ..................................................................................................... 64
6.3.2 Weather data ......................................................................................................... 64
6.4 Emission estimation ......................................................................................................... 65
6.5 Summary of biogenic source emissions .......................................................................... 67
6.6 References........................................................................................................................ 67

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List of Tables
Table 1.2–1.
Table 1.5–1.
Table 1.5–2.
Table 1.6–1.
Table 1.6–2.
Table 1.6–3.
Table 1.6–4.

Contact information for chapter authors and QA/QC personnel. ............................ 1
Demographic profile of Maricopa County and the CO maintenance area. .............. 3
Land-use categories used to apportion emissions. .................................................... 3
Summary of annual and season-day point source emissions. ................................... 4
Summary of annual and season-day area source emissions, by source category. .... 4
Summary of annual and season-day emissions from nonroad mobile sources......... 5
Annual and season-day emissions from onroad mobile sources in Maricopa
County. ..................................................................................................................... 5
Table 1.6–5. Annual and season-day emissions from biogenic sources. ...................................... 5
Table 2.2–1. Name and location of all point sources in Maricopa County. .................................. 8
Table 2.4–1. Annual and CO season-day point source emissions, by facility. ........................... 10
Table 2.5–1. CO emission reduction credits. .............................................................................. 10
Table 2.6–1. Annual and season-day point source CO emissions (including emission
reduction credits).................................................................................................... 10
Table 3.1–1. List of area source categories. ................................................................................ 15
Table 3.2–1. Annual natural gas sales in Maricopa County, by supply company and end-user
category. ................................................................................................................. 16
Table 3.2–2. Emission factors and annual CO emissions from area-source industrial natural
gas combustion, by combustion type. .................................................................... 17
Table 3.2–3. Annual and season-day CO emissions from area-source industrial natural gas
combustion. ............................................................................................................ 17
Table 3.2–4. Emission factors and annual CO emissions from area-source industrial fuel oil
combustion, by combustion type. .......................................................................... 18
Table 3.2–5. Annual and season-day CO emissions from area-source industrial fuel oil
combustion. ............................................................................................................ 18
Table 3.2–6. Emission factors and annual CO emissions from area-source
commercial/institutional natural gas combustion, by combustion type. ................ 19
Table 3.2–7. Annual and season-day CO emissions from area-source
commercial/institutional natural gas combustion................................................... 19
Table 3.2–8. Emission factors and annual CO emissions from area-source
commercial/institutional fuel oil combustion, by combustion type. ...................... 20
Table 3.2–9. Annual and season-day CO emissions from area-source
commercial/institutional fuel oil combustion......................................................... 20
Table 3.2–10. Annual and season-day CO emissions from residential natural gas combustion... 21
Table 3.2–11. Annual and season-day CO emissions from residential wood combustion. .......... 21
Table 3.2–12. Annual and season-day CO emissions from residential fuel oil combustion......... 22
Table 3.3–1. Annual and season-day CO emissions from area-source secondary metal
production. ............................................................................................................. 22
Table 3.3–2. Number of Maricopa County restaurants, by restaurant type. ............................... 23
Table 3.3–3. Annual and season-day CO emissions from commercial cooking. ....................... 23
Table 3.3–4. CO emissions from ADEQ-permitted portable sources. ........................................ 24
Table 3.3–5. Annual and season-day CO emissions from other industrial processes................. 25
Table 3.3–6. Annual and season-day CO emissions from area-source electric equipment
manufacturing. ....................................................................................................... 25
Table 3.4–1. Annual and season-day CO emissions from on-site incineration. ......................... 25

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Table 3.4–2.
Table 3.4–3.
Table 3.4–4.
Table 3.4–5.

Summary of 2008 Maricopa County burn permit activity. .................................... 26
Emission and fuel loading factors for open burning. ............................................. 26
Annual CO emissions from open burning in Maricopa County (tons/yr).............. 27
Maintenance area:county ratios and annual CO emissions from open burning in
the CO maintenance area. ...................................................................................... 27
Table 3.4–6. Season-day CO emissions from open burning (lbs/day). ....................................... 27
Table 3.4–7. Annual and season-day CO emissions from landfills. ........................................... 28
Table 3.4–8. Annual and typical daily CO emissions from other industrial waste disposal....... 28
Table 3.5–1. Fire data sources..................................................................................................... 29
Table 3.5–2. NFDRS fuel model categories and fuel loading factors for 2008 Maricopa
County wildfires. .................................................................................................... 30
Table 3.5–3. Summary of fires, acres burned and estimate of material burned .......................... 30
Table 3.5–4. Annual and season-day CO emissions from wildfires ........................................... 30
Table 3.5−5. Prescribed fire activity in Maricopa County in 2008. ............................................ 31
Table 3.5−6. Annual and season-day CO emissions from prescribed fires. ............................... 31
Table 3.5−7. Annual and season-day CO emissions from structure fires. .................................. 32
Table 3.5−8. Annual and season-day CO emissions from vehicle fires...................................... 33
Table 3.5–9. Annual and season-day CO emissions from engine testing. .................................. 33
Table 3.5–10. Annual and season-day CO emissions from crematories....................................... 34
Table 3.6–1. Summary of annual and season-day area source CO emissions, by source
category. ................................................................................................................. 34
Table 4.1–1. NONROAD model county temperature- and fuel-related inputs. ......................... 40
Table 4.1–2. Default weekday and weekend day activity allocation fractions. .......................... 41
Table 4.2–1. Annual and season-day CO emissions from agricultural equipment. .................... 41
Table 4.3–1. Annual and season day CO emissions from airport ground support equipment. ... 42
Table 4.4–1. Annual and season day CO emissions from commercial equipment. .................... 42
Table 4.5–1. Annual and season day CO emissions from construction and mining
equipment. .............................................................................................................. 43
Table 4.6–1. Annual and season day CO emissions from industrial equipment......................... 43
Table 4.7–1. Annual and season day CO emissions from lawn and garden equipment. ............ 44
Table 4.8–1. Annual and season day CO emissions from pleasure craft equipment. ................. 44
Table 4.9–1. Annual and season day CO emissions from railway maintenance equipment....... 44
Table 4.10–1. Annual and season day CO emissions from recreational equipment. .................... 45
Table 4.11–1. Annual airport operations (by aircraft category), and related data sources. .......... 46
Table 4.11–2. Example showing how most common aircraft-specific activity was grown for
modeling................................................................................................................. 47
Table 4.11–3. Annual and season-day CO emissions, by airport and aircraft type. ..................... 48
Table 4.12–1. Emission factors for locomotives. .......................................................................... 49
Table 4.12–2. Fuel use and annual CO emissions from locomotives in Maricopa County. ......... 49
Table 4.12–3. Annual CO emissions (in tons/yr) from locomotives in the CO maintenance
area. ........................................................................................................................ 49
Table 4.12–4. Season-day emissions (in lbs/day) from locomotives in Maricopa County and
the CO maintenance area. ...................................................................................... 50
Table 4.13–1. Summary of annual and season-day CO emissions from nonroad mobile
sources. ................................................................................................................... 50
Table 5.2–1. 2008 daily VMT by facility type (annual average daily traffic). ........................... 56
Table 5.2–2. Annual and CO season-day onroad mobile source emissions by facility type
and vehicle class in the CO maintenance area and Maricopa County. .................. 58
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Table 5.3–1. Annual and CO season-day emissions from all onroad mobile sources in the
CO maintenance area and Maricopa County. ........................................................ 61
Table 6.2–1. Two modeling domains defined in the UTM coordinate system. .......................... 63
Table 6.4–1. Daily mean biogenic CO emissions ....................................................................... 65
Table 6.4–2. Monthly biogenic CO emissions in MA and Maricopa County ............................ 66
Table 6.5–1. Annual total and winter season daily mean biogenic CO emissions ..................... 67

List of Figures
Figure 1.4–1. Map of Maricopa County and the CO maintenance area. ....................................... 2
Figure 2.7–1. Data flow for annual point source emission inventory reporting........................... 11
Figure 6.3–1. Masked CO maintenance area (blue area) in the 4-km domain (left) and
Maricopa County in the 12-km domain (right). The red star in the left panel
denotes the meteorological observation site. ......................................................... 64
Figure 6.3–2. Annual mean diurnal cycles of measured temperature (left) and downward
short wave radiation (right) in 2008. ...................................................................... 65
Figure 6.4–1. Monthly biogenic CO emissions in Maricopa County (pink solid line, “MC”)
and the CO Maintenance Area (dark blue line, “MA”). ........................................ 66

Appendices
Appendix 1
Appendix 2
Appendix 3

Instructions for Reporting 2008 Annual Air Pollution Emissions
Calculating Rule Effectiveness for controlled (Title V and non-Title V) Point
Source Processes
MOVES2010b Local Input Data and RunSpecs

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1.

Introduction

1.1 Overview
This 2008 periodic carbon monoxide (CO) emissions inventory was developed to meet requirements set forth in Title I of the Clean Air Act Amendments of 1990 (CAAA). The CAAA
require development of a baseline emission inventory and periodic revisions for areas that fail to
meet the National Ambient Air Quality Standards (NAAQS) and for maintenance areas. In
2005, the Phoenix metropolitan area was redesignated to attainment for CO and the area became
a maintenance area.
This inventory includes emission estimates for carbon monoxide (CO) from point, area, nonroad
mobile, and onroad mobile sources. Note that totals shown in all tables may not equal the sum of
individual values due to independent rounding.

1.2 Agencies responsible for the emissions inventory
Maricopa County Air Quality Department (MCAQD) has primary responsibility for preparing
and submitting the 2008 Periodic Carbon Monoxide Emissions Inventory for Maricopa County.
Point, area, and nonroad mobile source emission estimates were prepared by MCAQD. The
Maricopa Association of Governments (MAG) prepared the emission estimates for onroad
mobile and biogenic source categories. Table 1.2–1 lists those responsible for inventory
preparation and quality assurance/quality control activities, which are described in the respective
chapters.
Table 1.2–1.
Contact information for chapter authors and QA/QC personnel.
Chapter
Author(s)
QA/QC contact persons
2. Point Sources
Matt Poppen, MCAQD (602) 506-6790
Bob Downing and Eric Raisanen
MCAQD (602) 506-6790
3. Area Sources
Matt Poppen, Eric Raisanen and Dena
Bob Downing, MCAQD
Konopka, MCAQD (602) 506-6790
(602) 506-6790
4. Nonroad Mobile Matt Poppen and Bob Downing
Bob Downing and Eric Raisanen
Sources
MCAQD (602) 506-6790
MCAQD (602) 506-6790
5. Onroad Mobile Ieesuck Jung and Cathy Arthur
Bob Downing and Eric Raisanen
Sources
MAG (602) 254-6300
MCAQD (602) 506-6790
6. Biogenic Sources Feng Liu
Bob Downing and Eric Raisanen
MAG (602) 254-6300
MCAQD (602) 506-6790

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1.3 Temporal scope
Annual and CO season-day emissions were estimated for the year 2008, for Maricopa County
and the Maricopa County CO maintenance area. The three-month peak CO season for Maricopa
County is defined as November through January. The CO season is based on CO exceedances
from 1988 through 1991 and is consistent with the CO season in the 1990 base year inventory.

1.4 Geographic scope
This inventory includes emission estimates for Maricopa County and for the Maricopa County
CO maintenance area. Maricopa County encompasses approximately 9,223 square miles of land
area, while the Maricopa County CO maintenance area is approximately 1,946 square miles or
approximately 21 percent of the Maricopa County land area. A map of Maricopa County and the
CO maintenance area is provided in Figure 1.4–1.
Figure 1.4–1. Map of Maricopa County and the CO maintenance area.

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1.5 Overview of local demographic and land-use data
Many of the emissions estimates generated in this report were calculated using demographic and
land-use data provided by the Maricopa Association of Governments (MAG). These data were
used to apportion and/or scale Maricopa County emissions estimates to the maintenance area and
vice versa. (For example, county-level emissions from residential natural gas usage in Maricopa
County were apportioned to the maintenance area using the ratio of occupied households in each
area). Detailed explanations of how emission estimates were apportioned or scaled are presented
in each of the following chapters, along with the data sources used.

1.5.1 Demographic data
The demographic data provided by MAG included population, housing and employment data for
calendar year 2008, for Maricopa County and the maintenance area. Table 1.5-1 provides an
overview of the demographic data used in this report.
Table 1.5–1. Demographic profile of Maricopa County and the CO maintenance area.
Within
Percent within
Maricopa
CO Maintenance
CO Maintenance
Demographic variable
County totals
Area
Area
Total resident population
4,026,000
3,899,350
96.85%
Total non-resident population
253,760
248,420
97.90%
Total population:
4,279,760
4,147,770
96.92%
Retail employment
Office employment
Industrial employment
Public employment
Other employment
Construction
Work at home
Total employment:

537,430
444,170
412,580
278,610
191,770
79,680
65,620
2,009,860

Single-family/multi-family household split:
Single-family
Multi-family

1.5.2

526,840
442,770
406,050
267,370
184,210
73,420
63,370
1,964,030

75%
25%

98.03%
99.68%
98.42%
95.97%
96.06%
92.14%
96.57%
97.72%

75%
25%

Land-use data

MAG provided draft 2009 land use data (as of March 2010). The draft 2009 land-use data was
assumed to be representative of 2008. Table 1.5–2 presents a summary of the land-use
categories and acreage used to develop emission estimates for this inventory.
Table 1.5–2. Land-use categories used to apportion emissions.
Area within
Area Within
Maricopa
CO Maintenance
Land use category
County (acres)
Area (acres)
General/active open space/golf course (e.g., parks)
228,295
187,787
Passive/restricted open space (e.g., mountain preserves)
2,373,545
89,051
Lakes
12,525
12,525
Agriculture
295,509
84,979
Vacant (e.g., developable land)
2,227,981
171,785

2008 Maricopa County CO Emissions Inventory

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Percent within
CO Maintenance
Area
82.26%
3.75%
100.00%
28.76%
7.71%

November 2012

1.6 Emissions overview by source category
1.6.1

Point sources

The point source category includes those stationary sources that emit a significant amount of
pollution into the air such as power plants, petroleum product storage and transfer facilities, and
large industrial facilities. MCAQD utilizes the US EPA’s Annual Emissions Reporting Requirements (AERR) Rule to define which stationary sources are listed as point sources. A detailed
definition of a point source can be found in Section 2.1 of Chapter 2.
Table 1.6–1 summarizes annual and season-day emissions from point sources (including emission reduction credits) in Maricopa County and the CO maintenance area, respectively. A
detailed breakdown of emissions calculations for all point sources is contained in Chapter 2.
Table 1.6–1. Summary of annual and season-day point source emissions.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
738.04
3,235.7
CO Maintenance Area
371.77
1,575.4

1.6.2

Area sources

Area sources are facilities or activities whose individual emissions do not qualify them as point
sources. Area sources represent numerous facilities or activities that individually release small
amounts of a given pollutant, but collectively they can release significant amounts of a pollutant.
Stationary sources with annual emissions lower than the point source thresholds described in
Section 2.1 were included in the area source inventory. Examples of area source categories
include residential wood burning, commercial cooking, waste incineration, and wildfires.
Table 1.6–2 summarizes annual and season-day emissions of the chief area source categories, for
both Maricopa County and the CO maintenance area. A detailed breakdown of emissions
calculations for each area source category is contained in Chapter 3.
Table 1.6–2. Summary of annual and season-day area source emissions, by source category.
Maricopa County
CO maintenance area
Annual CO
Season-day
Annual CO
Season-day
emissions
CO emissions
emissions
CO emissions
Source category
(tons/yr)
(lbs/day)
(tons/yr)
(lbs/day)
Fuel combustion
6,900.04
79,250.4
6,725.01
77,055.5
Industrial processes
655.87
4,134.3
629.03
3,985.3
Waste treatment/disposal
730.70
17,039.4
257.60
1,657.3
Miscellaneous area sources
4,968.33
2,486.9
140.40
712.9
All area sources:
13,254.94
102,911.0
7,752.04
83,411.1

1.6.3

Nonroad mobile sources

Nonroad mobile sources include off-highway vehicles and engines that move or are moved
within a 12-month period. Table 1.6–3 summarizes annual and season-day emissions from
nonroad mobile sources, for both Maricopa County and the CO maintenance area. A detailed
breakdown of emissions calculations for each source category is contained in Chapter 4.
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Table 1.6–3. Summary of annual and season-day emissions from nonroad mobile sources.
Maricopa County
CO maintenance area
Annual CO
Season-day
Annual CO
Season-day
emissions
CO emissions
emissions
CO emissions
Equipment category
(tons/yr)
(lbs/day)
(tons/yr)
(lbs/day)
Agricultural
367.01
513.7
105.55
147.7
Airport ground support equipment
4,842.26
26,460.4
21,327.08
116,541.4
Commercial
37,407.59
204,928.7
36,816.55
201,690.8
Construction & mining equipment
17,097.10
90,379.7
15,753.27
83,275.9
Industrial equipment
10,294.56
64,617.8
10,131.90
63,596.8
Lawn & garden
66,712.36
100,753.6
64,657.62
97,650.4
Pleasure craft
1,627.41
5,008.5
431.81
1,328.9
Railway maintenance
19.33
120.8
18.73
117.1
Recreational equipment
7,270.41
24,593.7
412.23
1,394.5
Aircraft
17,105.50
93,472.7
16,683.40
91,166.1
Locomotives
276.93
1,513.3
119.23
651.6
All nonroad mobile sources:
163,020.46
612,362.8
166,457.38
657,561.2

1.6.4 Onroad mobile sources
Emissions from onroad mobile sources were calculated for the CO maintenance area located
primarily within Maricopa County as well as for Maricopa County as a whole. A detailed breakdown of emissions calculations by vehicle class and roadway type is contained in Chapter 5.
Table 1.6–4 summarizes annual and season-day emissions from onroad mobile sources for both
Maricopa County and the CO maintenance area.
Table 1.6–4. Annual and season-day emissions from onroad mobile sources in Maricopa County.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
255,355.67
1,293,502.6
CO Maintenance Area
237,324.41
1,201,621.5

1.6.5 Biogenic sources
The biogenic source category includes emissions from all vegetation (e.g., crops, indigenous
vegetation, landscaping, etc.) in Maricopa County and the CO maintenance area. Emissions
were estimated using the Model of Emissions of Gases and Aerosols from Nature (MEGAN).
MEGAN is a state-of-the-art biogenic emissions model developed by the National Center for
Atmospheric Research (NCAR). Some corrections and improvements were made in the latest
version of MEGAN2.04. MEGAN2.04 was used to compute biogenic emissions in Maricopa
County and the CO maintenance area. Annual and daily CO emissions from biogenic sources
are shown in Table 1.6–5 for Maricopa County and the CO maintenance area.
Table 1.6–5.

Annual and season-day emissions from biogenic sources.
Annual CO emissions
Typical daily CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
14,452.68
21,144.7
CO Maintenance Area
3,130.39
4,646.0

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2.

Point Sources

2.1 Introduction and scope
This carbon monoxide (CO) inventory is one of a number of emission inventory reports being
prepared to meet US EPA reporting requirements. In addition to preparing periodic emissions
inventories for the CO maintenance area as a commitment under the current CO State
Implementation Plan (SIP), the federal Air Emission Reporting Requirements (AERR) requires
that state and local agencies prepare emissions estimates on a county basis, and submit data
electronically to the US EPA for inclusion in the National Emission Inventory (NEI) for 2008.
This CO inventory was developed concurrently with similar inventories for ozone precursors
(VOC, NOx and CO), and PM (including PM10, PM2.5, NOx, SOx, and NH3), as part of Maricopa
County's requirements under the respective SIPs.
In order to provide consistency among all these inventories, it was decided to standardize the
definition of a “point source” by adopting the designation of point sources as outlined in the
AERR:
We are basing the requirement for point source format reporting on whether the
source is major under 40 CFR part 70 for the pollutants for which reporting is
required, i.e., CO, VOC, NOx, SO2, PM2.5, PM10, lead and NH3 but without regard
to emissions of HAPs…this approach will result in a more stable universe of
reporting point sources, which in turn will facilitate elimination of overlaps and
gaps in estimating point source emissions, as compared to nonpoint source
emissions. Under this requirement, states will know well in advance of the start
of the inventory year which sources will need to be reported. (US EPA, 2008)
Additionally, EPA guidance requires emission inventories prepared for SIP development purposes to consider point sources within 25 miles of the CO maintenance area. No additional point
sources met this reporting threshold.
This point source inventory includes actual CO emissions for the year 2008 and a typical day
during the CO season (defined as November through January). A description and map of the
maintenance area are provided in Chapter 1.
Several tables have been constructed to provide the point source emissions and category totals.
Table 2.2–1 provides an alphabetical list of all point sources and their location, while Table 2.4–
1 shows the 2008 annual and average CO season-day emissions broken out by facility. Note that
totals shown in all tables may not equal the sum of individual values due to independent
rounding.

2.2 Identification of CO point sources
The Maricopa County Air Quality Department (MCAQD) identified point sources within Maricopa County through its electronic permit system database, Environmental Management System
(EMS), and the 2008 annual emissions reports submitted to the department. A total of 21
stationary sources were identified as point sources using the definition described in Section 2.1.

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There are no additional point sources within the 25-mile boundary around the CO maintenance
area with permits issued by the Pinal County Air Quality Control District (PCAQCD). While the
Arizona Department of Environmental Quality (ADEQ) retains permitting authority for a limited
number of industrial source categories in Maricopa County, no ADEQ-permitted facilities are
considered point sources, and are addressed instead as area sources.
Table 2.2–1 contains an alphabetical listing of all point sources, including a unique business
identification number, NAICS industry classification code, business name, and physical address.
Table 2.2–1.
Name and location of all point sources in Maricopa County.
ID #
NAICS Business name
Address
245 337122
AF Lorts Manufacturing Company
8120 W Harrison St
3313 221112
APS West Phx Power Plant
4606 W Hadley St
43063 221112 Dynegy Arlington Valley LLC
39027 W Elliot Rd
44439 221112 Gila River Power Station
1250 E Watermelon Rd
1418 326299 Goodrich Corporation
3414 S 5th St
355 336412 Honeywell-Engines Systems & Services
111 S 34th St
3300 92811
Luke AFB - 56th Fighter Wing
14002 W Marauder St
62 33711
Mastercraft Cabinets Inc.
305 S Brooks
44186 221112 Mesquite Generating Station
37625 W Elliot Rd
43530 221112 New Harquahala Generating Co
2530 N 491st Ave
20706 32614
New Wincup Holdings, Inc.
7980 W Buckeye Rd
52382 221112 Ocotillo Power Plant
1500 E University Dr
1341 33992
Penn Racquet Sports Inc.
306 S 45th Ave
42956 221112 Redhawk Generating Facility
11600 S 363rd Ave
303 332431 Rexam Beverage Can Company
211 N 51st Ave
3315 221112 Santan Generating Station
1005 S Val Vista Rd
4175 424710
SFPP LP Phoenix Terminal
49 N 53rd Ave
3316 221112
SRP Agua Fria Generating Station
7302 W Northern Ave
3317 221112
SRP Kyrene Generating Station
7005 S Kyrene Rd
552 337122 Thornwood Furniture Mfg
5125 E Madison St
174 325998 W. R. Meadows Of Arizona, Inc.
4220 S Sarival Ave

City
Tolleson
Phoenix
Arlington
Gila Bend
Phoenix
Phoenix
Glendale
Mesa
Arlington
Tonopah
Phoenix
Tempe
Phoenix
Arlington
Phoenix
Gilbert
Phoenix
Glendale
Tempe
Phoenix
Goodyear

ZIP
85353
85043
85322
85337
85040
85034
85309
85202
85322
85354
85043
85281
85043
85322
85043
85296
85043
85303
85283
85034
85338

*
*

*
*

*

* = Facility is outside the CO maintenance area.

2.3 Procedures for estimating emissions from point sources
Both annual and average season-day CO emissions were estimated from annual source emission
reports, MCAQD investigation reports, permit files and logs, or telephone contacts with sources.
For most of the sources, material balance methods were used for determining emissions.
Emissions were estimated using the emission factors from AP–42, source tests, engineering
calculations, or manufacturers' specifications.
MCAQD distributes annual emissions survey forms to nearly all facilities for which MCAQD
has issued an operating permit. Facilities are required to report detailed information on stacks,
control devices, operating schedules, and process-level information concerning their annual
activities. (See Appendix 1 for a copy of the instructions to complete the emissions inventory.)
These instructions include examples and explanations on how to complete the annual emissions
reporting forms that facilities must submit to MCAQD. Activity data reported for the
December–February winter season is presumed to be representative of the November–January
CO season.

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After a facility has submitted an annual emissions report to MCAQD, emissions inventory staff
check all reports for missing and questionable data, and check the accuracy and reasonableness
of all emissions calculations with AP–42, the Factor Information and REtrieval (webFIRE)
software, and other EPA documentation. Control efficiencies are determined by source tests
when available, or by AP–42 factors, engineering calculations, or manufacturers' specifications.
MCAQD has conducted annual emissions surveys for permitted facilities since 1988, and the
department's database system, EMS, contains numerous automated quality assurance/quality
control checks for data input and processing.
2.3.1 Application of rule effectiveness
Rule effectiveness reflects the actual ability of a regulatory program to achieve the emission
reductions required by regulation. The concept of applying rule effectiveness in a SIP emission
inventory has evolved from the observation that regulatory programs may be less than 100 percent effective for some source categories. Rule effectiveness (RE) is applied to those sources
affected by a regulation and for which emissions are determined by means of emission factors
and control efficiency estimates.
MCAQD has estimated RE for industrial processes that claimed emissions reductions through
the use of a control device, RE calculations were performed separately for Title V and non-Title
V sources. Overall RE values of 90.94% (for Title V processes) and 84.27% (for non-Title V)
were calculated. (See Appendix 2 for details on the methods and data used in computing RE
rates.)

2.4 Detailed overview of point source emissions
Table 2.4–1 provides a summary of annual and CO season-day emissions from all point sources,
within and outside the CO maintenance area. Sources for which rule effectiveness has been
applied (for CO emissions) are noted. Values of “0.00” and “0.0” for annual and season-day
emissions denote a value below the level of significance (0.005 tons/yr and 0.05 lbs/day,
respectively).

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Table 2.4–1.
ID #
245
3313
43063
44439
1418
355
3300
62
44186
43530
20706
52382
1341
42956
303
3315
4175
3316
3317
552
174

Annual and CO season-day point source emissions, by facility.
Annual CO
Business name
City
emissions (tons/yr)
AF Lorts Manufacturing Company
Tolleson
0.0
APS West Phx Power Plant
Phoenix
72.2
Dynegy Arlington Valley LLC
Arlington *
41.5
84.8
Gila River Power Station
Gila Bend * †
Goodrich Corporation
Phoenix †
0.2
Honeywell-Engines Systems &
Services
Phoenix
18.8
Luke AFB - 56th Fighter Wing
Glendale
4.9
Mastercraft Cabinets Inc.
Mesa
0.0
Mesquite Generating Station
Arlington * †
21.2
New Harquahala Generating Co
Tonopah *
55.4
New Wincup Holdings, Inc.
Phoenix
10.4
Tempe
12.9
Ocotillo Power Plant
Penn Racquet Sports Inc.
Phoenix
2.9
Redhawk Generating Facility
Arlington *
163.4
Rexam Beverage Can Company
Phoenix
3.7
Santan Generating Station
Gilbert
130.7
SFPP LP Phoenix Terminal
Phoenix
9.6
SRP Agua Fria Generating Station
Glendale
80.6
SRP Kyrene Generating Station
Tempe
11.7
Thornwood Furniture Mfg
Phoenix
0.5
W. R. Meadows Of Arizona, Inc.
Goodyear
0.1

Season-day CO
emissions (lbs/day)
0.06
372.60
97.98
415.40
2.96
103.35
40.73
0.68
126.08
304.15
61.93
25.04
23.49
716.74
20.24
637.81
52.73
92.31
67.83
4.06
1.24

† = Facility is outside the CO maintenance area.
* = Facility for which rule effectiveness has been applied.

2.5 Emission reduction credits
A major source or major modification planned in a maintenance area must obtain emissions
reductions as a condition for approval. These emissions reductions, generally obtained from
existing sources located in the vicinity of a proposed source must offset the emissions increase
from the new source or modification. The obvious purpose of acquiring offsetting emissions
decreases is to allow an area to move towards attainment of the national ambient air quality
standards while still allowing some industrial growth.
Table 2.5–1 provides a list of emission reduction credits for carbon monoxide. One previously
operational facility maintains emission reduction credits in the Arizona Emissions Bank
(http://www.azdeq.gov/environ/air/permits/eb.html) that is still valid for inclusion in this report.
Table 2.5–1.
CO emission reduction credits.
ID
Facility Name
1151 Freescale Semiconductor, Inc. (formerly Motorola Mesa)

Emission Reduction Credits (tons)
12.5

2.6 Summary of point source emissions
Table 2.6–1 provides an overview of point source emissions for Maricopa County and the CO
maintenance area.
Table 2.6–1.
Annual and season-day point source CO emissions (including emission reduction credits).
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
738.04
3,235.7
CO Maintenance Area
371.77
1,575.4

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2.7 Quality assurance / quality control procedures
2.7.1

Emission survey preparation and data collection

The MCAQD's Emissions Inventory (EI) Unit annually collects point source criteria pollutant
emission data from sources in the county. MCAQD annually reviews EPA guidance, documents
from the Emission Inventory Improvement Program (EIIP), and other source materials to ensure
that the most current emission factors and emission calculation methods are used for each year's
survey. Each January, the EI Unit prepares a pre-populated hard copy of the preceding year’s
submissions and mails reporting forms to permitted sources, along with detailed instructions for
completing the forms. (A copy of these instructions is included as Appendix 1). The EI Unit
asks sources to verify and update the data. The EI Unit also holds periodic workshops from
January through April to assist businesses in completing EI forms.
The general data flow for data collection and inventory preparation is shown in Figure 2.7–1.
Figure 2.7–1.

Data flow for annual point source emission inventory reporting.

EI Reporting
Forms
•
•

Hard Copy Forms/
Instructions
Instruction on Web

EI Reporting
Forms

Log In EI
reports/ Issue
Receipts

Issue NOVs for
late submitters

•
•
•

Data Entry

EMS

Code/field check
Range checks
Referential value checks

Create
Inventory files

Automated QA checks

Technical QA/
QC

Using completed survey data

Finalized Inventory
Data
Reconcilia ion

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2.7.2

Submission processing

Submitted EI reports are logged in as they are received, and receipts are issued for emissions fees
paid. The data are input “as received” into the department's data base. During data entry,
numerous automated quality control (QC) checks are performed, including:






pull-down menus to minimize data entry errors (e.g., city, pollutant, emission factor unit,
etc.)
mandatory data field requirement checks (e.g., a warning screen appears if a user tries to
save an emission record with a missing emission factor).
range checks (e.g., were valid SCC, Tier, SIC, and NAICS codes entered?)
referential value checks (e.g., emission factor units, annual throughput units)
automatic formatting of date, time, telephone number fields, etc.

Automated quality assurance (QA) checks on the report that has been entered include the
following:





Comparing reported emission factors to SCC reference lists
Comparing reported emission factors to material name reference list
Checking the report for calculation errors. This includes annual throughput, emission
factors, unit conversion factors (e.g., BTU to therms), capture efficiency, primary /
secondary control device efficiency, and any offsite recycling credits claimed.
Checking the report for completeness of required data.

When data entry is complete, an electronic version of the original data is preserved separately to
document changes made during the technical review and QA/QC process.
When errors are flagged, the businesses are contacted and correct information is obtained and
input to the EMS. Outstanding reporting issues are documented. Confidential business
information (CBI) is identified by a checkbox on the form, and these data elements are flagged
during data entry and are not transmitted to the EPA. To prepare the inventory for submittal to
the National Emissions Inventory (NEI), the EI Unit runs Microsoft Access queries on the data in
the EMS to pull fields for the NEI Input format (NIF) tables.

2.7.3

Analysis of annual point source emissions data for this inventory

Two environmental planners checked inventory accuracy and reasonableness, and assured that
all point sources had been identified and that the methodology applied to calculate emissions was
appropriate and that the calculations were correct. Other reasonableness checks were conducted
by recalculating emissions using methods other than those used to make the initial emissions
calculations and then comparing results. QA was conducted by checking all emissions reports
submitted to MCAQD for the year 2008 for missing and questionable data and by checking the
accuracy and reasonableness of all emissions calculations made for such reports. Notes
concerning follow-up calls and corrections to calculations were documented on each 2008 annual
emissions report.

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The QA point source coordinator reviewed checked calculations, identified errors, and
performed completeness, reasonableness and accuracy checks.

2.8 References
US EPA, 2008. Air Emissions Reporting Requirements. 73 Fed. Reg. 76539. Available at:
http://www.epa.gov/ttn/chief/aerr/final_published_aerr.pdf.

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2008 Maricopa County CO Emissions Inventory

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3. Area Sources
3.1 Scope and methodology
This chapter considers all stationary sources which are too small or too numerous to be treated as
point sources. EPA guidance documents, including “Introduction to Area Source Inventory
Development” as well as permit and emissions data in the MCAQD’s Environmental
Management System (EMS) database, and previous SIP inventories, were evaluated to develop
the list of area source categories for inclusion. Some source categories were deemed
“insignificant” because there are no large production facilities and/or very few small sources, and
therefore emissions were not quantified. MCAQD prepared the area source emission estimates
for all area sources and provided quality assurance checks on all data. Table 3.1–1 contains a list
of all area source categories addressed in this chapter.
Table 3.1–1.

List of area source categories.

Area source description
Fuel combustion:
Industrial natural gas
Industrial fuel oil
Commercial/institutional natural gas
Commercial/institutional fuel oil
Residential natural gas
Residential wood
Residential fuel oil

3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7

Industrial processes:
Secondary metal production
Commercial cooking
State-permitted portable sources
Industrial processes not elsewhere classified
Electrical equipment manufacturing

3.3.1
3.3.2
3.3.3
3.3.4
3.3.5

Waste treatment and disposal:
On-site incineration
Open burning
Landfills
Other industrial waste disposal

3.4.1
3.4.2
3.4.3
3.4.4

Miscellaneous area sources:
Wildfires
Prescribed Fires
Structure fires
Vehicle fires
Engine testing
Health services (crematories)

3.5.1.1
3.5.1.2
3.5.1.3
3.5.1.4
3.5.1.5
3.5.2

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For nearly all categories, emissions were calculated in one of the following ways:
 emissions estimates for some categories were developed by conducting surveys on local
usage (e.g., natural gas consumption) or derived from state-wide data (e.g., fuel oil use).
 for some widespread or diverse categories (e.g., consumer solvent use), emissions were
calculated using published per-capita or per-employee emission factors.
 for source categories with some information available from annual emissions reports
(e.g., bakeries), these data were combined with employment data to “scale up” reported
emissions to reflect the entire source category.
 for those source categories with detailed emissions data available from most or all
significant sources in the category, emissions were calculated based on detailed process
and operational data provided by these sources.
The specific emissions estimation methodologies used for each source category (including any
application of rule effectiveness) are described in greater detail in the respective sections.

3.2 Fuel combustion
Area source emissions for the following seven categories of fuel consumption were calculated:
Industrial natural gas, industrial fuel oil, commercial/institutional natural gas, commercial
institutional fuel oil, residential natural gas, residential wood, and residential fuel oil. Data for
emissions calculations from natural gas combustion came from a survey of the three natural gas
suppliers in Maricopa County. The following table summarizes the natural gas sales data
received from Maricopa County natural gas suppliers.
Table 3.2–1.

Annual natural gas sales in Maricopa County, by supply company and end-user category.
Sales by end user category (in MMCF/yr)
Natural gas
Electric
Commercial/
supplier
Utilities
Industrial
Institutional
Residential
Transport*
Other*
Southwest Gas
17.07
1,543.27
15,643.15
14,911.67
6,487.35
n/a
City of Mesa
6.52
93.02
1,609.12
1,339.62
n/a
244.97
El Paso
227,608.92
201.90
n/a
n/a
n/a
6.07

* For emissions calculations, sales from these two categories were grouped with industrial sales.

Area source emissions for wood and fuel oil combustion were calculated from Arizona statelevel sales and consumption data as described in the following subsections. Area source emissions from coal and liquid petroleum gas were not calculated as emissions from these categories
were determined to be insignificant.

3.2.1

Industrial natural gas

All natural gas suppliers in Maricopa County were surveyed to gather information on the volume
of natural gas distributed, by user category, within the county in 2008. Area source industrial
natural gas usage for the county is based on the reported total volume of natural gas sold to
industrial sources, minus natural gas used by industrial point sources.
Natural gas is used for both external combustion (boilers, heaters) and internal combustion
(generators), each of which have different emission factors. Thus the area source natural gas
usage derived must be apportioned between these two categories. This apportionment was based
2008 Maricopa County CO Emissions Inventory

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on the percentages of external and internal natural gas combustion reported by all industrial area
sources in 2008.
Annual emissions for the county are calculated by multiplying natural gas usage by the
respective AP-42 emission factors for external and internal combustion.
Table 3.2–2.
Emission factors and annual CO emissions from area-source industrial natural gas
combustion, by combustion type.
% of
Annual natural gas CO emission factor
Annual CO
Combustion type
total
usage (MMCF)
(lbs/MMCF)
emissions (tons/yr)
External
98.44
7,934.68
84
333.26
Internal
1.56
125.74
399
25.09
Totals:
100.00
8,060.43
358.34

Season-day emissions for the county are calculated by first multiplying annual emissions by the
percentage of industrial natural gas sold used during the CO season. (Figures reported by natural
gas suppliers for the December–February time period are assumed to be representative for the
November–January CO season.) CO season emission totals are then divided by the number of
days that activity occurs during the CO season. Annual and season-day emissions within the CO
maintenance area are calculated by applying the ratio of industrial employment in the
maintenance area to county-level emission calculations. (See Section 1.5.1 for a discussion of
the employment data used).
Table 3.2–3.

Annual and season-day CO emissions from area-source industrial natural gas combustion.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
358.34
2,513.9
CO Maintenance Area
352.68
2,474.1

3.2.2 Industrial fuel oil
Area source emissions from industrial fuel oil combustion are calculated by a multi-step process
which allocates Arizona state-level industrial fuel oil sales data from the US Department of
Energy, Energy Information Administration (US DOE, 2010a) to Maricopa County.
To derive industrial fuel oil usage in Maricopa County, reported Arizona sales of high-sulfur
diesel for 2008 are first subtracted from Arizona state-level total industrial fuel oil sales, as it is
presumed that no high-sulfur diesel fuel is used in Maricopa County due to local air quality
regulations and market conditions.
Arizona state industrial fuel oil sales (less high-sulfur diesel fuel) are then multiplied by the ratio
of industrial employment in Maricopa County to Arizona State (0.70), as determined by data
from the US Census Bureau (2010) to estimate annual Maricopa County industrial fuel oil sales.
To avoid double-counting, industrial fuel oil use attributable to stationary point sources
(addressed in Chapter 2) and nonroad mobile sources (addressed in Chapter 4) are subtracted
from County industrial fuel oil sales to estimate county fuel oil usage by area sources.
Industrial fuel oil is used for both external combustions (boilers, heaters) and internal combustion (generators), each of which have different emission factors. Thus the area-source industrial
fuel oil sales derived above must be apportioned between these two categories. This apportion2008 Maricopa County CO Emissions Inventory

17

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ment was based on the percentages of external and internal fuel oil combustion reported by all
industrial area sources surveyed in 2008 shown in Table 3.2–4.
County-level annual emissions from this area source category were calculated by multiplying
industrial fuel oil sales by the respective AP-42 emission factors for external and internal
combustion.
Table 3.2–4.
Emission factors and annual CO emissions from area-source industrial fuel oil combustion,
by combustion type.
% of
Annual fuel oil
CO emission
Annual CO
Combustion type
total
sales (Mgals)
factor (lbs/Mgals) emissions (tons/yr)
External
78.01
65,634.56
5
164.09
Internal
21.99
18,501.53
130
1,202.60
Totals:
100.00
84,136.09
1,366.69

Season-day emissions for the county are calculated by first multiplying annual emissions by
25.07% to estimate CO season emission totals. CO season emission totals are then divided by
the number of days that activity occurs during the CO season (78), as recommended by EIIP
guidance (US EPA, 2001a).
Annual and season-day emissions in the CO maintenance area are calculated by applying the
ratio of industrial employment in the maintenance area to county-level emission calculations.
(See Section 1.5.1 for a discussion of the employment data used).
Table 3.2–5.
Annual and season-day CO emissions from area-source industrial fuel oil combustion.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
1,366.69
8,784.8
CO Maintenance Area
1,345.09
8,646.0

3.2.3

Commercial/institutional natural gas

All natural gas suppliers in Maricopa County were surveyed to gather information on the volume
of natural gas distributed, by user category, within the county in 2008. Area source commercial
and institutional (C&I) natural gas usage for the county is based on the reported total volume of
natural gas sold to C&I sources, minus natural gas used by C&I point sources.
Natural gas is used for both external combustions (boilers, heaters) and internal combustion
(generators), each of which have different emission factors. Thus the area source natural gas
usage derived above must be apportioned between these two categories. This apportionment was
based on the percentages of external and internal natural gas combustion reported by all C&I
area sources in 2008.
Annual emissions for the county and the CO maintenance area are calculated by multiplying
natural gas usage by the respective AP-42 emission factors for external and internal combustion.

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Table 3.2–6.
Emission factors and annual CO emissions from area-source commercial/institutional
natural gas combustion, by combustion type.
% of
Annual natural gas CO emission factor
Annual CO
Combustion type
total
usage (MMCF)
(lbs/MMCF)
emissions (tons/yr)
External
98.34
17,130.07
84
719.46
Internal
1.66
289.16
399
57.69
Totals:
100.00
17,419.23
777.15

Season-day emissions for the county are calculated by first multiplying annual emissions by the
percentage of C&I natural gas sold used during the CO season. (Figures reported by natural gas
suppliers for the December–February time period are assumed to be representative for the
November–January CO season.) CO season emission totals are then divided by the number of
days that activity occurs during the CO season.
Annual and season-day emissions in the CO maintenance area are calculated by applying the
combined ratio of retail, office, public and other employment in the maintenance area to countylevel emission calculations. (See Section 1.5.1 for a discussion of the employment data used).
Table 3.2–7.
Annual and season-day CO emissions from area-source commercial/institutional natural gas
combustion.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
777.15
7,248.7
CO Maintenance Area
760.67
7,095.1

3.2.4 Commercial/institutional fuel oil
Area source emissions from commercial and institutional (C&I) fuel oil combustion are calculated by a multi-step process of allocating Arizona state-level C&I fuel oil sales as reported by
the US Department of Energy, Energy Information Administration (US DOE, 2010b) to
Maricopa County.
To derive commercial/institutional fuel oil usage in Maricopa County, reported Arizona statelevel sales of high-sulfur diesel for 2008 are first subtracted from Arizona state-level total
commercial/institutional fuel oil sales, as it is presumed that no high-sulfur diesel fuel is used in
Maricopa County due to local clean air act requirements and market conditions. Arizona state
commercial/institutional fuel oil sales (less high-sulfur diesel fuel) are then multiplied by the
ratio of C&I employment in Maricopa County to Arizona state (0.80), as determined by data
from the US Census Bureau (2010) to estimate Maricopa County-level C&I fuel oil sales.
To avoid double-counting, commercial/institutional fuel oil use attributable to stationary point
sources (addressed in Chapter 2) and nonroad mobile sources (addressed in Chapter 4) are
subtracted from County C&I fuel oil sales to estimate county fuel oil usage used by C&I area
sources.
Fuel oil is used for both external combustion (boilers, heaters) and internal combustion
(generators), each of which have different emission factors. Thus the area source C&I fuel oil
sales derived above must be apportioned between these two categories. This apportionment was
based on the percentages of external and internal fuel oil combustion reported by all

2008 Maricopa County CO Emissions Inventory

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commercial/institutional area sources surveyed by MCAQD in 2008 (shown in Table 3.2–8
below).
Annual emissions for the county are calculated by multiplying C&I fuel oil sales by the
respective AP-42 emission factors for external and internal combustion.
Table 3.2–8.
Emission factors and annual CO emissions from area-source commercial/institutional fuel
oil combustion, by combustion type.
% of
Annual fuel oil
CO emission
Annual CO
Combustion type
total
sales (Mgals)
factor (lbs/Mgals) emissions (tons/yr)
External
66.95
20,321.18
5
50.80
Internal
33.05
10,031.59
130
652.05
Totals:
100.00
30,352.78
702.86

Season-day emissions for the county are calculated by first multiplying annual emissions by
26.66% to estimate CO season emission totals. CO season emission totals are then divided by
the number of days that activity occurs during the CO season (78) as recommended by EIIP
guidance (US EPA, 2001a).
Annual and season-day emissions within the CO maintenance area are calculated by applying the
combined ratio of retail, office, public and other employment in the maintenance area to countylevel emission calculations. (See Section 1.5.1 for a discussion of the employment data used).
Table 3.2–9.
Annual and season-day CO emissions from area-source commercial/institutional fuel oil
combustion.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
702.86
4,804.7
CO Maintenance Area
687.96
4,702.8

3.2.5

Residential natural gas

All natural gas suppliers in Maricopa County were surveyed to gather information on the volume
of natural gas sold, by user category, within the county. Annual emissions from residential
natural gas combustion emissions were calculated by multiplying residential natural gas sales by
emission factors for residential natural gas combustion listed in AP-42 Tables 1.4-1 and 1.4-2
(US EPA, 1998).
CO season-day emissions are calculated by first multiplying reported natural gas usage during
the CO season (8,172.3 MMCF) by the emission factor for CO for residential natural gas
combustion (40 lbs CO/MMCF) to produce CO season emissions (natural gas usage reported for
the months of December-February are assumed to represent CO season usage). CO season
emissions are then divided by the number of days during the CO season that residential natural
gas combustion occurs (91) (US EPA, 2001a).
Annual and season-day residential natural gas emissions in the CO maintenance area are
calculated by multiplying county-level emissions by the percentage of total resident population
(96.85%) in the CO maintenance area.

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Table 3.2–10.

Annual and season-day CO emissions from residential natural gas combustion.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/year)
(lbs/day)
Maricopa County
325.03
3,592.2
CO Maintenance Area
314.79
3,479.1

3.2.6

Residential wood combustion

Area-source emissions from residential wood combustion are calculated based on the amount of
wood burned in fireplaces and woodstoves in Maricopa County, as recommended by EIIP guidance (US EPA, 2001b). Residential wood combustion in the county is estimated by multiplying
data on statewide residential wood combustion usage (651,000 cords/yr) from the US
Department of Energy (US DOE, 2010) by the ratio of county to state households that report use
of wood for heating (3.2867%) from the US Census Bureau (2010a). The latest available data on
residential wood use for household heating from the US Department of Energy is for the
calendar year 2007. Since all fireplaces in homes constructed since 1999 are required by
Arizona statute to be clean-burning, it is assumed that these new homes have negligible
emissions. Thus, year 2007 data is assumed to be representative of 2008 emissions.
To calculate emissions, the amount of wood used is converted to tons by multiplying cords by
the number of cubic feet of wood in a cord (79 avg. ft3 wood/cord) and by the density of the
wood used (US EPA, 2001b). Wood density is determined by weighted average of types of
wood used for residential combustion in Maricopa County (31.57 lbs/ft3), provided by the US
Forest Service (USFS, 1993).
Annual emissions from residential wood combustion are calculated by multiplying the tons of
wood used by the CO emission factor for residential total woodstoves and fireplaces (252.6
lbs/ton) from EIIP Volume III, Chapter 2, Table 2.4-1 (US EPA, 2001b).
Season-day CO emissions are calculated by apportioning wood burning activity based on heating
degree days (i.e., the number of degrees per day that the daily average temperature is below
65°F). Data provided by Arizona Department of Commerce (ADOC, 2010) indicated that there
were a total of 885 heating degree days in Phoenix during 2008, with 625 heating degrees days
reported during the CO season. Co season-day emissions were derived by applying the ratio of
CO season heating degree days to annual heating degree days and are shown in Table 3.2-11.
Annual and season-day emissions within the CO maintenance area are calculated by multiplying
county totals by the percentage of residential population within the CO maintenance area of
96.85%. See Section 1.5.1 for a further discussion of the housing data used.
Table 3.2–11. Annual and season-day CO emissions from residential wood combustion.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
3,369.91
52,305.0
CO Maintenance Area
3,263.75
50,657.4

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3.2.7

Residential fuel oil

Emissions from residential fuel oil use were calculated using an approach similar to that used for
residential wood combustion described in Section 3.2.6. County-level residential fuel oil use
was derived from statewide totals (US EIA, 2010) using the ratio of county to state households
that report fuel oil use from the US Census Bureau (2010b).
Annual and daily emissions were calculated using AP-42 emission factors and data on heating
degree days and residential housing units described in Section 3.2.6. Annual and season-day
emissions are shown in Table 3.2–12.
Table 3.2–12.

Annual and season-day CO emissions from residential fuel oil combustion.
Season-day CO emissions
Geographic area
Annual CO emissions (tons/yr)
(lbs/day)
Maricopa County
0.07
1.1
CO Maintenance Area
0.07
1.0

3.3 Industrial processes
3.3.1

Secondary metal production

Annual emissions from secondary metal production facilities were derived from annual emission
reports from permitted sources. As this category consists primarily of foundries, it was assumed
that there were no significant unpermitted sources within Maricopa County. CO season-day
emissions were calculated based on operating schedule information provided in the facilities’
annual emission reports. Since all facilities considered in this section are located within the CO
maintenance area, total emission values for the county and the CO maintenance area from
secondary metal production are equal.
Table 3.3–1.
Annual and season-day CO emissions from area-source secondary metal production.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
107.72
703.5
CO Maintenance Area
107.72
703.5

3.3.2

Commercial cooking

Emissions from commercial cooking were estimated for five types of commercial cooking equipment using EPA methodology (US EPA, 2006). The equipment types include: chain-driven
charbroilers, underfired charbroilers, deep-fat fryers, flat griddles, and clamshell griddles. EPA’s
methodology estimates commercial cooking activity for restaurants with each type of cooking
equipment (ethnic, family, fast food, seafood, and steak & barbeque) based on an average
number of equipment pieces by restaurant type and average pounds of meat cooked on each type
of equipment per week (steak, hamburger, poultry, pork, and seafood). The estimated number of
restaurants in Maricopa County for the five restaurant types was obtained from a commercial
database (www.selectoryonline.com) and is shown in Table 3.3–2.

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Table 3.3–2.
Number of Maricopa County restaurants, by restaurant type.
Restaurant category
No. of restaurants
Ethnic food
907
Fast food
1,068
Family
253
Seafood
37
Steak & barbecue
75
All restaurants:
2,340

Using the number of restaurants for each restaurant type, along with the default emission factors
and equations from US EPA (2006), emissions for each combination of equipment type, restaurant type, and meat type were calculated, and the results were summed to estimate annual
emissions for each type of cooking equipment, as shown in Table 3.3–3.
Commercial cooking is assumed to occur uniformly throughout the year, therefore, it was
assumed that 25% of annual activity occurs during the CO season, and activity occurs 7
days/week.
Annual and season-day emissions for the CO maintenance area were calculated by multiplying
the Maricopa County emission totals by the percentage population within the maintenance area
(96.92%). (See Section 1.5.1 for a discussion of the population data used.) Table 3.3–3
summarizes the annual and season-day emissions from commercial cooking for Maricopa
County and the CO maintenance area.
Table 3.3–3.

Annual and season-day CO emissions from commercial cooking.
Maricopa County
CO Maintenance Area
Annual CO
Season-day CO
Annual CO
Season-day CO
emissions
emissions
emissions
emissions
(tons/yr)
Equipment type
(lbs/day)
(tons/yr)
(lbs/day)
Chain-driven charbroilers
86.79
476.9
84.12
462.2
Underfired charbroilers
270.94
1,488.7
262.60
1,442.8
Deep fat fryers
–
0.0
0.00
0.0
Flat griddles
22.55
123.9
21.86
120.1
Clamshell griddles
–
0.0
0.00
0.0
Totals:
380.29
2,089.5
368.58
2,025.1

3.3.3

State-permitted portable sources

The Arizona Department of Environmental Quality (ADEQ) retains the authority to permit
certain categories of sources within Maricopa County, including portable sources. MCAQD
requested information from ADEQ for all ADEQ-permitted sources that reported any activity in
Maricopa County during 2008. Annual total emissions for most pollutants were provided, along
with information on the facility type, and information on the location of the site(s) during the
year. Permits were classified into four major types: asphalt batch, concrete batch, crushing/
screening, and other (including soil remediation, generators, etc.). From this information,
emissions that occurred within Maricopa County were estimated as in the following example.

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Data provided:
Source information:
Permit type:
Operating schedule:

McNeil Brothers - Erie Strayer Portable Plant
Concrete batch plant
Operated from 1/1-5/15 in Mesa at SR202 and McKellips (SE Corner);
operated from 10/16-12/31 in Goodyear at Northside I-10 east of Estrella.
CO
6.19

Total annual emissions:
(tons/yr)

Using this information, calculations were made to determine:
Total operating days in 2008:
136 = 31 (Jan.) + 29 (Feb.) + …16 (Oct.) + 30 (Nov.) + 31 (Dec.)
Total operating days in Maricopa County: 136 = 31 (Jan.) + 29 (Feb.) + …16 (Oct.) + 30 (Nov.) + 31 (Dec.)

All emissions were assumed to be equally distributed among all reported days of operation.
First, the total emissions attributable to activity in Maricopa County were calculated as follows:
Annual CO emissions
in Maricopa County

= Total annual emissions × operating days in Maricopa County
(tons/yr)
total operating days in 2008
= 6.19

× 136
136

= 6.19 tons CO/yr

Since activity was presumed to be spread equally among all “in-county” days, season-day
emissions were thus calculated as follows:
Season-day CO emissions
in Maricopa County (lbs/day)

= total emissions attributable to activity in Maricopa County
number of operating days in Maricopa County
= 6.19 tons
136 days

×

× 2,000 lbs
ton

2,000 lbs
ton

= 91.03 lbs CO /day

Table 3.3–4 summarizes the annual and season-day emissions for all ADEQ-permitted portable
sources that operated within Maricopa County at some point during 2008. Since precise location
data was not available for all permits, all emissions are conservatively assumed to have
originated within the CO maintenance area; thus emission estimates for Maricopa County and
the maintenance area are equal.
Table 3.3–4.

CO emissions from ADEQ-permitted portable sources.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
145.42
1,212.6
CO Maintenance Area
145.42
1,212.6

3.3.4

Industrial processes, not elsewhere classified (NEC)

Annual area-source emissions from other industrial processes not elsewhere classified (NEC)
were derived from annual emissions reports from permitted facilities. Other industrial processes

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include a wide array of industrial activities that are often specific to the permitted facility that
reported the process. For this reason, it is assumed there are no significant emissions from other
industrial processes, other than those reported by permitted facilities on their annual emissions
reports. CO season-day emissions are calculated based on operating schedule information
provided by the facilities in their annual emissions report.
Table 3.3–5.

Annual and season-day CO emissions from other industrial processes.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
18.59
107.3
CO Maintenance Area
3.47
22.7

3.3.5

Electrical equipment manufacturing

Annual and season-day emissions from electric equipment manufacturing were derived from
annual emission reports submitted by permitted sources. It was assumed that there were no
significant unpermitted sources within Maricopa County and all electrical equipment
manufacturing permitted sources are reported here as area-sources.
All facilities addressed in this source category are located within the CO maintenance area; thus,
emissions for the county and maintenance area are equal. Annual and season-day emissions are
shown in Table 3.3–6.
Table 3.3–6.

Annual and season-day CO emissions from area-source electric equipment manufacturing.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
3.85
21.3
CO Maintenance Area
3.85
21.3

3.4 Waste treatment and disposal
3.4.1

On-site incineration

This section includes emissions from on-site industrial incinerators, primarily burn-off ovens
used to reclaim electric wire or other materials. Emissions from human and animal crematories
are addressed in Section 3.5.2. There were no incinerators at residential (e.g., apartment complexes) or commercial/institutional facilities (e.g., hospitals, service establishments) in operation
during 2008.
Emissions from on-site incineration were determined from annual emissions reports. It is
assumed that all incinerator emissions are accounted for, since all permitted incinerators received
reports in 2008. Season-day emissions are based on operating schedules as supplied in the
annual emissions reports. All surveyed facilities are located within the CO maintenance area;
thus, emissions for the county and maintenance area are equal.
Table 3.4–1.
Annual and season-day CO emissions from on-site incineration.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
0.69
5.7
CO Maintenance Area
0.69
5.7

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3.4.2 Open burning
Emissions from controlled open burning are regulated by MCAQD Rule 314, which requires a
burn permit for open burning in Maricopa County. Burn permits are issued primarily for purposes of agricultural ditch bank and fencerow burning, tumbleweed burning, land clearance, air
curtain destructor burning of trees, and fire fighting training. Maricopa County’s burn permit
database was used to identify all burn permits issued during 2008. A total of 55 permits were
issued during the year; however, not all permit applications contained the information needed to
calculate emissions. Where data were missing, activity data for each permit category was grown
from those permits that contained information.
Reported and estimated activity data for each open burning category are summarized in Table
3.4–2. Permits issued for firefighting training are addressed in Section 3.5.1.3, Structure fires.
Table 3.4–2.

Summary of 2008 Maricopa County burn permit activity.
Number of
Total reported
permits with
Category
Unit of measure
activity
activity data
Ditchbank/fencerow Linear ft
541,336
22
Land clearance
Acres
564
5
Air curtain
Material Burned
70*
0
Tumbleweeds
Piles
14
2

Total
permits
issued
32
12
7
4

Activity grown to
total number of
permits issued
787,398
1,354
70
28

*Assumed that air curtain destructors burn 10 tons/day of brush/trees/vegetation.

The above activity data were converted to tons material burned using fuel loading factors from
AP-42, Table 2.5-5 (US EPA, 1992). The emission and loading factors used are shown in Table
3.4–3.
Table 3.4–3.

Emission and fuel loading factors for open burning.
CO emission factors
Fuel loading factors
(lbs/ton burned)
(tons/acre)
Category
Weeds, unspecified
85
3.2
Russian Thistle (tumbleweeds)
309
0.1
Orchard Crops: Citrus
81
1.0

The following assumptions were made based on previous Maricopa County emission inventory
work:
 Ditch banks and fence rows in Maricopa County average 7 feet in width and are burned
twice per year (MCESD, 1999).
 A pile of tumbleweeds 15 feet in diameter and 5 feet high weighs 200 lbs (MCESD,
1993). This is equivalent to 0.1 tons/acre, the AP-42 fuel loading factor for tumbleweeds.
 Air curtain destructors burn between 7-10 tons of material per day (MCAQD, 2006).
To calculate the annual amount of material burned on ditch banks and fence rows in Maricopa
County, MCAQD estimated the area burned and then applied AP-42 fuel loading factor.
Activity data for the other categories were similarly converted to material burned using AP-42
fuel loading factors.

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Annual emissions were then calculated by multiplying the amount of material burned by
emission factors listed in AP-42 (Table 3.4–3). To account for unpermitted illegal outdoor
burning, all calculated emissions estimates were increased 2.87 times based on complaints
received in 2008 for open or illegal outside burning (158 complaints received; 158 complaints/55
open burn permits = 2.87). Table 3.4–4 summarizes the annual emissions for Maricopa County
from each open burning category.
Table 3.4–4.
Annual CO emissions from open burning in Maricopa County (tons/yr).
Category
Ton-equivalents
CO emissions (tons/yr)
Ditchbank/fencerow
809.8
98.87
Land clearance
4,331.5
528.94
Air curtain
70.0
8.14
Tumbleweeds
2.80
1.24
Total:
637.10

Annual emissions for the maintenance area are calculated by multiplying the percentage of
agricultural and/or vacant land use located in the CO maintenance area by the Maricopa County
emission totals. (See Section 1.5.2 for a discussion of the land-use data used.) Table 3.4–5
summarizes the annual emissions for the CO maintenance area.
Table 3.4–5.
Maintenance area:county ratios and annual CO emissions from open burning in the CO
maintenance area.
Surrogate land-use
2009 Maint. area:county
CO emissions
Category
category
land-use ratio
(tons/yr)
Ditchbank/fencerow
Agriculture
28.76%
28.43
Land clearance
Vacant
7.71%
152.08
Air curtain
agriculture and vacant
10.17%
2.34
Tumbleweeds
agriculture and vacant
10.17%
0.36
Total:
183.21

Ditch bank/fence row burning is not allowed from November to February, therefore daily emissions during the CO season are zero. For the other burning categories, it was assumed that open
burning occurs 5 days per week (most burn permits are issued for weekdays but permits may be
issued on weekends depending on circumstances) and open burning occurs evenly during the CO
season months (November – January).
Season-day emissions for the maintenance area are calculated by multiplying the percentage of
agricultural and/or vacant land use located in the maintenance area (listed in Table 3.4–5) by the
County season-day emissions. Table 3.4–6 summarizes the CO season-day emissions from open
burning for both Maricopa County and the CO maintenance area.
Table 3.4–6.

Season-day CO emissions from open burning (lbs/day).
Maricopa County
CO maintenance area
Category
(lbs/day)
(lbs/day)
Ditchbank/fencerow
0.0
0.0
Land clearance
16,272.0
1,254.6
Air curtain
250.6
25.5
Tumbleweeds
38.2
3.9
Totals:
16,560.8
1,284.0

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3.4.3

Landfills

Emissions from municipal solid waste (MSW) landfills come from uncontrolled landfill gas
emissions as well as from cover operations and combustion from control measures, such as a
flare. Total emissions were calculated from annual emissions inventory reports from all landfills
located within the county; results are shown in Table 3.4–7 below. No landfills were considered
point sources; thus all MSW landfills are reported here as an area-source activity.
Table 3.4–7.
Annual and season-day CO emissions from landfills.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
40.05
219.9
CO Maintenance Area
20.84
114.7

3.4.4

Other industrial waste disposal

Annual area-source emissions from other industrial waste disposal were derived from annual
emissions reports from permitted facilities. Other industrial waste disposal processes include a
wide array of industrial activities that are often specific to the permitted facility that reported the
process. For this reason, it is assumed there are no significant emissions from this category,
other than those reported by permitted facilities on their annual emissions reports. Typical daily
emissions were calculated based on operating schedule information provided by the facilities in
their annual emissions report. Emission estimates are shown in Table 3.4–8 below.
All facilities that reported area-source emissions from other industrial waste disposal are located
inside the CO maintenance area, therefore emissions for Maricopa County and the CO
maintenance area are equal.
Table 3.4–8.

Annual and typical daily CO emissions from other industrial waste disposal.
Annual CO emissions
Season-day CO emissions
Geographic area
(tons/yr)
(lbs/day)
Maricopa County
52.86
252.9
CO Maintenance Area
52.86
252.9

3.5 Miscellaneous area sources
3.5.1

Other combustion

3.5.1.1 Wildfires
Data on wildfires in 2008 within Maricopa County were obtained from the Arizona State Land
Department (ASLD) Forestry Division (ASLD, 2009), the Arizona Department of Fire, Building,
and Life Safety (DFBLS, 2009), and the Federal Fire Occurrence website (FFOW, 2009).
The ASLD Forestry Division provides for the prevention and suppression of wildfires on state
and private lands located outside of incorporated municipalities. The wildfire data provided by
ASLD includes wildfires that occur outside of local fire districts and municipalities on State,
private, and U.S. Bureau of Land Management (BLM) land in 2008. The ASLD reported 25
wildfires in 2008 in Maricopa County which encompassed nearly 750 acres. Wildfire data
provided by ASLD were compared to wildfires reported in the Geospatial Multi-Agency

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Coordination Group (GeoMAC) Wildland Fire Support database and 2008 Incident Status
Summary reports (ICS-209) to identify wildfires that may have occurred outside of ASLD
jurisdiction. GeoMAC and ICS-209 reports only include large wildfires, generally fires greater
than 100 acres. Three Maricopa County wildfires were reported in GeoMAC and on ICS-209
reports in 2008 (USDA, 2008 and USGS, 2008). Two of these fires were included in the ASLD
data. One fire, the Ethan fire, was not captured in the ASLD data because it occurred on tribal
lands. The Ethan fire encompassed more than 6,600 acres.
The DFBLS coordinates reporting to the National Fire Incident Reporting System (NFIRS) for
Arizona fire departments. NFIRS is a national reporting system used by fire departments to
report fires and other incidents to which they respond and to maintain records of these incidents
in a uniform manner. Twenty-one of thirty-six fire departments in Maricopa County reported
over 10,000 fires to NFIRS in 2008. This included ten “forest, woods or wildland fires”. The
ten “forest, woods or wildland fires” were analyzed for inclusion in the wildfire emission
estimates. First, the DFBLS fires were culled for duplicates by comparing the incident dates and
locations with wildfires reported by ASLD. One DFBLS fire was excluded from the combined
dataset because it may have been a duplicate already captured in the ASLD data. Because only
four of the ten DFBLS fires included acreage, an average number of acres burned (1.05 acres)
were determined from the fires with reported acreage. This average number of acres burned was
then applied to the fires with no reported acreage.
The Federal Fire Occurrence Website is an official government website that provides users with
the ability to query, research and download wildland fire occurrence data. The data available
through this website contains over 548,000 fire records collected by Federal land management
agencies for fires that occurred from 1980 through 2008 in the United States. The 2008 data for
Maricopa County included eighty-one fires. The federal wildland fire occurrence data were
culled for duplicates by comparing the incident names, dates and locations with wildfires
reported by ASLD and DFBLS. Thirteen fires were excluded from the combined dataset
because they appeared to be duplicates already captured in either the ASLD or DFBLS data and
seven fires were excluded because they contained no acreage data. The final 2008 dataset listed
96 fires encompassing over 7,400 acres. Table 3.5-1 summarizes fire data obtained from each
data sources.
Table 3.5–1.
Fire data sources.
Data Source
Arizona State Land Department (ASLD)
Arizona Department of Fire, Building, and Life Safety (DFBLS)
Federal Fire Occurrence website (FFOW)
ICS-209
Totals

Number of Fires
25
9
61
1
96

Acreage
747.25
9.45
16.79
6,660.00
7,433.49

Fuel loading was assigned using the National Fire Danger Rating System (NFDRS) fuel model
codes and a table of fuel loading values for NFDRS fuel model categories (WGA/WRAP, 2005).
The department used the NFDRS Fuel Model map in ArcGIS to identify NFDRS fuel types for
fires with latitude and longitude data.

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Table 3.5–2.
NFDRS fuel model categories and fuel loading factors for 2008 Maricopa County wildfires.
Land use type
Total area
Fuel loading factor
(by NFDRS Model Category)
No. of Fires
(acres)
(tons/acre)
4.5
Agriculture*
33
744.05
19.5
California chaparral
1
0.01
0.5
Barren*
2
0.4
4.7
Pine-grass savanna
1
0.01
15.0
Intermediate brush
17
2.87
4.5
Sagebrush grass
42
6,686.15
Totals
96
7,433.49
* “Agriculture” and “Barren” NFDRS model categories were not included in WGA/WRAP 2002 fuel loading values for NFDRS fuel model
categories. Therefore, it was assumed that “Agriculture” is similar to "sagebrush grass" and “Barren” is similar to “western grasses (annual)”,
and fuel loadings were assigned accordingly.

Estimates of the material burned were derived by multiplying the number of acres burned by the
fuel loading factor. Table 3.5–3 shows the number of wildfires and acres burned for Maricopa
County and the CO maintenance area in 2008 and an estimate of material burned. No wildfires
occurred during the CO season; therefore season-day emissions from wildfires were zero.
Table 3.5–3.

Summary of fires, acres burned and estimate of material burned
No. of
Acres
Material Burned
Material Burned in CO
Geographic Area
Fires
Burned
Annually (tons/yr)
Season (tons/season)
Maricopa County
96
7,433
33,479
12.8
CO Maintenance Area
19
28
127
0

The CO emission factor was obtained from the Western Regional Air Partnership's (WRAP)
2002 Fire Emission Inventory (WGA/WRAP, 2005). The CO emission factor for wildfires and
prescribed broadast burning (289 lbs CO/ton) was used.
The majority of fire data included fire locations in latitude and longitude. For those fires without
longitude and latitude, the fire location address was used to determine latitude and longitude.
This latitude and longitude data was used to determine the number of acres burned inside of the
CO maintenance area. Nineteen wildfires occurred within the CO maintenance area, resulting in
nearly 28 acres burned.
Annual emissions from wildfires within the CO maintenance area were calculated in the same
manner as Maricopa County annual emissions, except that material burned in the CO
maintenance area were used rather than material burned in Maricopa County.
Annual and season-day emissions from wildfires for Maricopa County and the maintenance area
are shown in Table 3.5−4.
Table 3.5–4.

Annual and season-day CO emissions from wildfires
CO-season Annual CO emissions Season-day CO emissions
Geographic area
burn days
(tons/yr)
(lbs/day)
Maricopa County
7
4,837.77
526.4
CO Maintenance Area
0
18.29
0.0

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3.5.1.2 Prescribed fires
Prescribed fire data were obtained from the U. S. Forest Service (USFS, 2009). The USFS
reported that six prescribed fires occurred in Maricopa County in 2008. Twenty-nine acres of
piled fuels were burned. All six prescribed fires occurred outside the maintenance area. Because
all 2008 prescribed fires were piled fuels, the total mass of material burned was derived by
multiplying the number of acres burned by tons of piles per acre for each fire. Data provided by
the USFS and the resulting material burned for each fire are shown below in Table 3.5–5.
Table 3.5−5.
Date of burn
01/13/2008
03/13/2008
04/04/2008
04/09/2008
09/25/2008
11/06/2008
Totals:

Prescribed fire activity in Maricopa County in 2008.
Acres
Tons of
Burn number Burn location
Burned
piles/acre
TNF0106
T6N,R7E,S28
3
1
TNF0106P
T6N,R7E,S28
3
3
TNF0302
T3N,R7E,S34
2
5
TNF0302
T3N,R8E,S28
5
5
TNF0302
T3N,R8E,S31
10
5
TNF0302
T2N,R7E,S18
6
5
29
24

Material
Burned (tons)
3
9
10
25
50
30
127

The prescribed fire CO emission factor (74.3 lbs CO per ton burned) was obtained from the
Western Regional Air Partnership’s (WRAP) 2002 Fire Emission Inventory (WGA/WRAP,
2005).
Annual emissions from prescribed fires in Maricopa County were calculated by multiplying the
material burned (tons/acre) by the emission factor (lbs CO/ton) and dividing the result by 2,000
lbs/ton.
Two prescribed fires occurred during the CO season. The fires occurred on January 13, 2008
and November 6, 2008, and resulted in 33 tons of material burned. It was assumed the
prescribed fires lasted one day each. CO-season day emissions are determined by multiplying
the tons material burned by the emission factor (lbs CO/ton) and then dividing the resulting
emissions by the number of burn days. In this case, there were only two burn days.
Because all the 2008 prescribed fires burned outside of the maintenance area, the annual and
season-day emissions for the maintenance area are zero.
Table 3.5−6.
Annual and season-day CO emissions from prescribed fires.
Geographic Area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
4.72
1,226.0
CO Maintenance area
0.00
0.0

3.5.1.3 Structure fires
2008 structure fire data were from the Arizona Department of Fire, Building, and Life Safety
(DFBLS). The DFBLS coordinates reporting to the National Fire Incident Reporting System
(NFIRS) for Arizona fire department. NFIRS is a national reporting system used by fire departments to report fires and other incidents to which they respond and to maintain records of these
incidents in a uniform manner. Twenty-one of thirty-six fire departments in Maricopa County
reported over 10,000 fires to NFIRS in 2008. This included nearly 2,150 reported structure fires.
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Because the DFBLS data only included data reported by twenty-one of thirty-six fire departments in Maricopa County, the number of structure fires reported were scaled up to the entire
inventory area based on population. The most recent population estimates for Maricopa County
were used to scale up the number of structure fires (ADOC, 2008). Seven open burn permits
were issued in 2008 for fire training; these were included in the total number of estimated structure fires for 2008. It was estimated that 2,422 structure fires occurred in the county during
2008.
Estimates of the material burned in a structure fire were determined by multiplying the number
of structure fires by a fuel loading factor of 1.15 tons of material per fire, which factors in percentage structural loss and content loss (US EPA, 2001c). Annual emissions were then
calculated by multiplying the amount of material burned by a 60 lbs of CO per ton of material
burned emission factor (from US EPA, 2001c) and dividing the resultant amount by 2,000
lbs/ton.
Annual emissions for the CO maintenance were derived by multiplying Maricopa County annual
emissions by the percentage of total population within the maintenance area (96.92%). See
Section 1.5.1 for a discussion of the population data used.
It was assumed that structure fires occur 7 days a week; however, structure fires vary seasonally
and may increase during cold weather. Because local season-specific data were not available
from the NFIRS data, seasonal occurrences of residential and non-residential structure fires
reported by the Federal Emergency Management Agency (FEMA) were used to derive a
seasonal adjustment factor for the CO season (US EPA, 2001c). FEMA reported that 29.6% of
residential structure fires and 24.5% of non-residential structural fires occurred during
November, December, and January 1994. Thus, an average occurrence of 27.05% [(29.6% +
24.5%) ÷ 2] was used as a seasonal adjustment factor to estimate CO season-day emissions.
CO season-day emissions for Maricopa County were derived by multiplying the annual
emissions by the 27.5% seasonal adjustment factor and then dividing the result by 91 (7 days/wk
× 13 weeks/season).
Table 3.5−7.

Annual and season-day CO emissions from structure fires.
Season day CO emissions
Geographic area
Annual CO emissions (tons/yr)
(lbs/day)
Maricopa County
83.56
496.8
CO Maintenance area
80.98
481.4

3.5.1.4 Vehicle fires
2008 vehicle fire data were from the Arizona Department of Fire, Building, and Life Safety
(DFBLS). The DFBLS coordinates reporting to the National Fire Incident Reporting System
(NFIRS) for Arizona fire department. NFIRS is a national reporting system used by fire
departments to report fires and other incidents to which they respond and to maintain records of
these incidents in a uniform manner. Twenty-one of thirty-six fire departments in Maricopa
County reported over 10,000 fires to NFIRS in 2008. This included over 2,100 reported vehicle
fires. Because the DFBLS data only included data reported by twenty-one of thirty-six fire
departments in Maricopa County, the number of vehicle fires reported were scaled up to the
2008 Maricopa County CO Emissions Inventory

32

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entire inventory area based on population. The most recent population estimates for Maricopa
County were used to scale up the number of vehicle fires (ADOC, 2008). It was estimated that
2,403 vehicle fires occurred in Maricopa County in 2008.
Annual emissions from vehicle fires were calculated by first multiplying the number of vehicle
fires by a fuel loading factor of 0.25 tons per vehicle fire to estimate the annual amount of
material burned in vehicle fires (US EPA, 2000). The amount of annual material burned in
vehicle fires was then multiplied by the emission factor for open burning of automobile
components (125 lbs of CO/ton of material burned) from AP-42 as listed in table 3.7–12 (US
EPA, 1992). The resultant amount was divided by 2,000 lbs/ton to obtain annual emissions in
tons per year.
Annual emissions for the CO maintenance area were derived by multiplying Maricopa County
annual emissions by the percentage of total population within the CO maintenance area
(96.92%). See Section 1.5.1 for a discussion of the population data used. It is assumed that
vehicle fires occur evenly throughout the year. Thus, CO season day emissions were derived by
dividing the Maricopa County and maintenance area annual emissions by 366 days/year. The
results are shown in Table 3.5−8 below.
Table 3.5−8.
Annual and season-day CO emissions from vehicle fires.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
37.55
205.2
CO Maintenance area
36.39
198.8

3.5.1.5 Engine testing
Annual emissions from engine testing facilities were derived from annual emission reports from
permitted sources that were not considered point sources in this inventory. It was assumed that
there were no significant unpermitted sources within Maricopa County. Season-day emissions
were calculated based on operating schedule information provided in the facilities’ annual emission reports. Since all facilities considered in this section are located within the CO maintenance
area, total emission values for the county and the CO maintenance are equal. Results are shown
in Table 3.5–9.
Table 3.5–9.
Annual and season-day CO emissions from engine testing.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
4.06
27.5
CO Maintenance Area
4.06
27.5

3.5.2 Health services: crematories
Emissions from human and animal crematories were calculated from annual emissions inventory
reports from all crematories located within the county. It is assumed that there are no
unpermitted crematories in Maricopa County. CO season-day emissions were calculated based
on operating schedule information provided in the facilities annual emission reports. Location
information provided in those annual emission reports indicated whether the facility was inside
or outside the CO maintenance area.

2008 Maricopa County CO Emissions Inventory

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Table 3.5–10.
Annual and season-day CO emissions from crematories.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
0.68
5.2
CO Maintenance Area
0.68
5.1

3.6 Summary of area source emissions
Table 3.6–1 summarizes the total annual and CO season-day emissions from all area sources
addressed in this chapter for both Maricopa County and the CO maintenance area.
Table 3.6–1.

Summary of annual and season-day area source CO emissions, by source category.
Maricopa County
CO maintenance area
Annual CO
Season-day
Annual CO
Season-day
emissions
CO emissions
emissions
CO emissions
Source category
(tons/yr)
(lbs/day)
(tons/yr)
(lbs/day)
Fuel combustion:
Industrial natural gas
358.34
2,513.9
352.68
2,474.1
Industrial fuel oil
1,366.69
8,784.8
1,345.09
8,646.0
Commercial/institutional natural gas
777.15
7,248.7
760.67
7,095.1
Commercial/institutional fuel oil
702.86
4,804.7
687.96
4,702.8
Residential natural gas
325.03
3,592.2
314.79
3,479.1
Residential wood
3,369.91
52,305.0
3,263.75
50,657.4
Residential fuel oil
0.07
1.1
0.07
1.0
Total, all fuel combustion:
6,900.04
79,250.4
6,725.01
77,055.5
Industrial processes:
Commercial cooking
Secondary metal production
State-permitted portable sources
Industrial process NEC
Electric equipment mfg
Total, all industrial processes:

380.29
107.72
145.42
18.59
3.85
655.87

2,089.5
703.5
1,212.6
107.3
21.3
4,134.3

368.58
107.72
145.42
3.47
3.85
629.03

Waste treatment/disposal:
On-site incineration
Open burning
Landfills
Other industrial waste disposal
Total, all waste treatment

0.69
637.10
40.05
52.86
730.70

5.7
16,560.8
219.9
252.9
17,039.4

0.69
183.21
20.84
52.86
257.60

4,837.77
4.72
83.56
37.55
4.06
0.68
4,968.33
13,254.94

526.4
1,226.0
496.8
205.2
27.5
5.2
2,486.9
102,911.0

18.29
0.00
80.98
36.39
4.06
0.68
140.40
7,752.04

Miscellaneous Area Sources:
Wildfires
Prescribed fires
Structure fires
Vehicle fires
Engine testing
Crematories
Total, all miscellaneous sources:
Total, all area sources:

2008 Maricopa County CO Emissions Inventory

34

2,025.1
703.5
1,212.6
22.7
21.3
3,985.3

5.7
1,284.0
114.7
252.9
1,657.3

0.0
0.0
481.4
198.8
27.5
5.1
712.9
83,411.1

November 2012

3.7 Quality assurance / quality control procedures
Quality assurance and quality control (QA/QC) activities for the area source emissions inventory
were driven by the goal of creating a comprehensive, accurate, representative and comparable
inventory of area source emissions for Maricopa County and the CO maintenance area. During
each step of creating, building and reviewing the area source emissions inventory, quality checks
and assurances were performed to establish confidence in the inventory structure and data.
Area source categories were selected for inclusion in the inventory based on the latest Emission
Inventory Improvement Program (EIIP) guidance available. EPA’s guidance for area source
categories included in prior National Emission Inventories (NEIs) was also evaluated. The list of
area source categories developed based on these guidance documents was modified to fit the
characteristics of Maricopa County, with some area source categories determined to be insignificant (e.g., emissions from industrial coal combustion, or oil and natural gas production facilities).
Prior Maricopa County periodic inventories for ozone and carbon monoxide, as well as and other
similar emission inventories from other locales were also consulted, to cross-check the
completeness of the list of area source categories identified for inclusion in the present inventory.
Data for area source emission calculations were gathered from a wide universe of resources.
Whenever applicable, local surveyed data (such as annual emissions report) was used as this data
best reflects activity in the county and the CO maintenance area. When local data was not available, state data from Arizona State agencies (such as the Arizona Department of Transportation)
and regional bodies (such as the Western Regional Air Partnership [WRAP]) were used.
National level data (such as the US Census Bureau) was used when no local, state or regional
data was available. In addition, the most recent EIIP guidance for area sources was consulted for
direction in determining the most relevant data source for use in emissions calculations.
Emissions calculations for area sources were performed by three air quality planners and one unit
manager. All area source emission estimates were calculated in spreadsheets to ensure the calculations could be verified and reproduced. Whenever possible or available, the “preferred
method” described in the most recent EIIP guidance documents for area sources was used to
calculate emissions. Emissions were estimated using emission factors from EIIP guidance, AP42, and local source testing. Local seasonal and activity data were used when available, with
EPA and EIIP guidance used when no local seasonal or activity data existed. All calculations
were evaluated to ensure that emissions from point sources were not being double-counted and to
determine if rule effectiveness applied.
Once area source emission estimates had been produced, several quality control checks were
performed to substantiate the calculations. Most area source calculations were peer-reviewed by
two other planners, with all area sources being reviewed by at least one other planner. Peer
review ensured that all emission calculations were reasonable and could be reproduced. Sensitivity analyses and computational method checks were performed on area sources when emissions seemed to be outside the expected ranges. When errors were found, the appropriate
changes were made by the author of the calculations to ensure consistency of the emissions calculations. The peer-reviewed emissions estimates were combined into a draft area source chapter. This draft chapter was read through in its entirety by the unit manager and the three air
quality planners for final review, with any identified errors corrected by the author of the section.

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The draft version of the area source chapter was sent to the Arizona Department of Environmental Quality, the Arizona Department of Transportation, and the Maricopa Association of
Governments for a quality assurance review. These agencies provided comments which were
addressed and incorporated into the final area source chapter. The QA/QC activities described
here have produced high levels of confidence in the area source emissions estimates detailed in
this chapter, and represent the best efforts of the inventory preparers.
3.8 References
ADOC, 2008. Arizona Department of Commerce, July 1, 2008 Population Estimates for
Arizona’s Counties, Incorporated Places and Balance of County, Population Statistics Unit,
Research Administration, Arizona Department of Commerce, December 12, 2008. Internet
address: http://www.azcommerce.com/doclib/econinfo/FILES/2008AZestimates.pdf
ADOC, 2010. Arizona Department of Commerce, Heating Degree Days: Phoenix. Internet
address: http://www.azcommerce.com/doclib/ENERGY/Degreedays.pdf.
ALSD, 2009. Glen Buettner [glenbuettner@azstatefire.org], Forestry Division, Arizona State
Land Department, Re: 2008 wildland fire data for Maricopa County, e-mail message, April
20, 2009.
DFBLS, 2009. Frank Fisher [frank.fisher@dfbls.az.gov], Arizona Department of Fire, Building,
and Life Safety (DFBLS), Re: data request – 2008 fire data for Maricopa County, e-mail
message, May 4, 2009.
FFOW, 2009. Federal Fire Occurrence website, http://wildfire.cr.usgs.gov/firehistory/data.html,
federal wildland fire occurrence data downloaded on Aug. 18, 2009.
MCAQD, 2006. Personal communications with George Mills, Dust Compliance Division,
MCAQD, and Dena Konopka, MCAQD, November 2006.
MCESD, 1993. 1990 Base year Ozone Emission Inventory for Maricopa County, Arizona,
Nonattainment Area, Draft Submittal, Maricopa County Environmental Quality &
Community Services Agency, March 1993.
MCESD, 1999. 1999 Periodic Ozone Emissions Inventory for the Maricopa County, Arizona
Nonattainment Area, Maricopa County Environmental Services Department, Rev. Aug.
2002.
US Census Bureau, 2010. 2007 County Business Patterns (NAICS). Internet address:
http://censtats.census.gov/cgi-bin/cbpnaic/cbpsect.pl
US Census Bureau, 2010a. Selected Housing Characteristics: 2008, 2008 American Community
Survey 1-Year Estimates, House Heating Fuel for Maricopa County and Arizona State.
Internet address: http://factfinder.census.gov [Accessed 2/10/2010]
US Census Bureau, 2010b. 2008 American Community Survey, Table B25117. Tenure by House
Heating Fuel – Universe: Occupied Housing Units. 1-Year Estimates, Fuel oil, kerosene,
etc. for Maricopa County and Arizona State [Owner occupied and renter occupied]. Internet
address: http://factfinder.census.gov [Accessed 2/10/2010]
USDA, 2008. U.S. Department of Agriculture, Forest Service, Fire and Aviation Management
Web Application (FAMWEB), Previous Years ICS-209s. Internet address:
https://fam.nwcg.gov/fam-web/
US DOE, 2010. US Department of Energy, Energy Information Administration. State Energy
Data 2007: Consumption, Table 8–Residential Sector Energy Consumption Estimates, 1960–
2007, Arizona. Internet address:
http://www.eia.doe.gov/emeu/states/sep_use/notes/use_print2007.pdf

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US DOE, 2010a. US Department of Energy, Energy Information Administration. Adjusted
Sales for Industrial Use: Distillate Fuel Oil, Residual Fuel Oil, and Kerosene, 2008 (Table
21).
US DOE, 2010b. US Department of Energy, Energy Information Administration. Adjusted
Sales for Commercial Use: Distillate Fuel Oil, Residual Fuel Oil, and Kerosene, 2008 (Table
20).
US EIA, 2010. U.S. Energy Information Administration, Arizona Total Distillate
Sales/Deliveries to Residential Consumers. Internet address:
http://tonto.eia.doe.gov/dnav/pet/hist/LeafHandler.ashx?n=PET&s=KD0VRSSAZ1&f=A
US EPA, 1992. Compilation of Air Pollution Emission Factors (AP-42). Volume I: Stationary
Point and Area Sources. Fifth ed. Chapter 2: Solid Waste Disposal, 2.5 Open Burning. US
EPA, Office of Air Quality Planning and Standards, Research Triangle Park, NC.
US EPA, 1998. Compilation of Air Pollution Emission Factors (AP-42). Fifth Ed. Vol. I:
Stationary Point and Area Sources. Section 1.4: Natural Gas Combustion. US Environmental Protection Agency, Office of Air Quality Planning and Standards, Research Triangle
Park, NC. Internet address: http://www.epa.gov/ttn/chief/ap42/ch01/final/c01s04.pdf
US EPA, 2000. Area Source Category Method Abstract: Vehicle Fires. Emission Inventory
Improvement Program (EIIP), May 2000. Internet address:
http://www.epa.gov/ttn/chief/eiip/techreport/volume03/vehclf13.pdf
US EPA, 2001a. Introduction To Area Source Emission Inventory Development. Emission
Inventory Improvement Program (EIIP) Vol. III, Chap. 1. Prepared by Eastern Research
Group, Revised Final, Jan. 2001. Internet address: http://www.epa.gov/ttn/chief/eiip/
techreport/volume03/iii01_apr2001.pdf
US EPA, 2001b. Residential Wood Combustion. Emission Inventory Improvement Program
(EIIP) Vol. III, Chap. 2. Revised Final, Jan. 2001. Prepared by Eastern Research Group, Inc.
for the Area Source Committee, EIIP. Internet address: http://www.epa.gov/ttn/chief/eiip/
techreport/volume03/iii02_apr2001.pdf.
US EPA, 2001c. Structure Fires. Emission Inventory Improvement Program (EIIP) Vol. III,
Chap. 18. Revised Final, Jan. 2001. Prepared by Eastern Research Group, Inc. for the Area
Source Committee, EIIP. Internet address: http://www.epa.gov/ttn/chief/eiip/techreport/
volume03/iii18_apr2001.pdf.
US EPA 2006, Documentation for the Final 2002 Nonpoint Sector (Feb 06 version) National
Emission Inventory for Criteria and Hazardous Air Pollutants. Prepared by E.H. Pechan &
Associates, Inc. for Emission Factor and Inventory Group. Internet address:
ftp://ftp.epa.gov/EmisInventory/2002finalnei/documentation/nonpoint/2002nei final nonpoi
nt_documentation0206version.pdf
USGS, 2008. United States Geological Survey, GeoMAC (Geospatial Multi-agency
Coordination) Wildland Fire Support database. Internet address: http://www.geomac.gov/
USFS, 1993. Cliff Dills, US Forest Service, Payson Ranger Station, Payson AZ, pers. comm.
USFS, 2009. July 28, 2009, E-mail communication with Ronald Sherron, US Forest Service.
WGA/WRAP, 2005. 2002 Fire Emission Inventory for the WRAP Region – Phase II. Project
No. 178-6. Western Governors Association/Western Regional Air Partnership. July 22, 2005.
Tables 5 and 6. Internet address: http://www.wrapair.org/forums/fejf/documents/
WRAP_2002_PhII_EI_Report_20050722.pdf.

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2008 Maricopa County CO Emissions Inventory

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4.

Nonroad Mobile Sources

4.1 Introduction
Nonroad mobile sources are defined as those sources that move or are moved within a 12-month
period and are not licensed or certified as highway vehicles. Nonroad mobile sources are
vehicles and engines that fall under the following categories:














Agricultural equipment, such as tractors, combines and balers;
Airport ground support equipment, such as baggage tugs and terminal tractors;
Commercial equipment, such as generators and pumps;
Industrial equipment, such as forklifts and sweepers;
Construction and mining equipment, such as graders, back hoes and trenchers;
Lawn and garden equipment, such as leaf blowers and lawn mowers;
Logging equipment (not present in Maricopa County);
Pleasure craft, such as power boats and personal watercraft;
Railway maintenance equipment, such as rail straighteners;
Recreational equipment, such as all-terrain vehicles and off-road motorcycles;
Underground mining and oil field equipment (not present in Maricopa County);
Aircraft, such as jet and piston engines; and
Locomotives, such as switching and line haul trains.

Emission calculations for most nonroad mobile source categories except aircraft, airport ground
support equipment (GSE) and locomotives were derived using EPA’s NONROAD model, ver.
2008.1.0 (Core version 2008, April 2009). Aircraft and airport GSE emission estimates were
made using the Federal Aviation Administration’s EDMS (Emissions Dispersion Modeling
System) model, ver. 5.1.1. Locomotive emission calculations were derived from surveys of the
three railroad companies that have operations in the county (Burlington Northern Santa Fe,
Union Pacific and Amtrak).
County specific temperature and fuel-related inputs are required for the operation of the NONROAD model. Monthly temperature and fuel data were provided by the Arizona Department of
Weights and Measures. Table 4.1-1 below lists the local county inputs used:

2008 Maricopa County CO Emissions Inventory

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Table 4.1–1.

NONROAD model county temperature- and fuel-related inputs.

Ethanol Blend
Fuel
Diesel
Gasoline
Temperatures (°F)
RVP
ETOH
Market
Total Oxygen
Sulfur
Sulfur
Month
(psi)
Max.
Min. Average
(Vol%) Share (%)
(wt%)
(ppm)
(ppm)
January
64
45
54.90
8.8
6
35
9.47
100
3.49
February
69
48
58.45
8.4
6
23
9.24
100
3.42
March
79
54
66.84
8.4
7
49
9.18
100
3.41
April
87
61
74.23
7.8
7
23
5.57
100
2.06
May
91
66
78.74
6.8 *
6*
27*
0.00*
0*
0.00*
June
107
80
93.40
6.6
6
25
0.00
0
0.00
July
106
84
95.16
7.0
4
19
0.00
0
0.00
August
104
82
93.16
6.8
6
29
0.00
0
0.00
September 101
79
90.07
6.5
6
35
0.00
0
0.00
October
91
65
78.13
7.9
7†
25
6.79
100
2.52
November
81
56
68.67
8.4
7†
15
8.78
100
3.27
December
65
46
56.03
8.3 †
7
28†
8.17†
100†
3.03†
* Since measurements were not available, the average of June, July, August and September data was used.
† Since measurements were not available, the average of October, November, January, February, March and April
data was used.

EPA recommends adjusting default NONROAD model values (such as equipment population,
activity levels of equipment, growth factors, etc.) where local data is available, as the default
values in the model are derived from national averages.
NONROAD model default values were adjusted based on 2003 survey results of the commercial
lawn and garden industry as part of an inventory developed to study the impact of visibility
impairing pollutants (ENVIRON et al., 2003). Survey results show that for most categories of
lawn and garden equipment, the equipment population estimates for Maricopa County are
significantly lower than EPA default values, while the average annual hours of operation for
most equipment types are slightly higher than EPA’s values. Using these local data results in a
considerable decrease in emissions from this category, compared with earlier results using EPA
default data.
Spatial allocation factors were developed (based on EPA guidance documents) to apportion nonroad emissions to the CO maintanence area. The approaches used are described in each section
of this chapter.
Temporal allocations (used to calculate CO season-day emissions) for nonroad equipment
categories modeled in the NONROAD model come from EPA recommendations on weekday
and weekend day activity levels for each nonroad equipment category (US EPA, 1999). Table
4.1–2 below lists the weighted activity level allocation fractions for each equipment class for
weekdays and weekend days. For this report, the most conservative (highest) allocation fraction
in each nonroad equipment class was used to calculate season-day emissions.

2008 Maricopa County CO Emissions Inventory

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Table 4.1–2.
Default weekday and weekend day activity allocation fractions.
Equipment category
Weekday
Weekend day
Agricultural
0.1666667
0.0833334
Airport ground support
0.1428571
0.1428571
Commercial
0.1666667
0.0833334
Construction and mining
0.1666667
0.0833334
Industrial
0.1666667
0.0833334
Lawn and garden (residential)
0.1111111
0.2222222
Lawn and garden (commercial)
0.1600000
0.1000000
Pleasure craft
0.0600000
0.3500000
Railway maintenance
0.1800000
0.0500000
Recreational
0.1111111
0.2222222

4.2 Agricultural equipment
Annual emissions from agricultural equipment in Maricopa County were calculated using EPA’s
NONROAD model, as discussed above. CO maintenance area annual emissions were calculated
based on EIIP guidance (US EPA, 2002) which recommends using the ratio of agricultural land
inside the maintenance area (84,979 acres) to agricultural land inside the county (295,509 acres).
See Section 1.5.2 for a discussion of land-use data used.
County season-day emissions were calculated by multiplying CO season emissions (generated by
the NONROAD2002 model) by the most conservative weekday/weekend day activity allocation
factor for agricultural equipment listed in Table 4.1–2, and dividing the product by the number of
weeks (13) in the CO season (US EPA, 1999).
CO maintenance area season-day emissions were calculated by multiplying county season-day
emissions by the agricultural land-use allocation factor.
Table 4.2–1.
Annual and season-day CO emissions from agricultural equipment.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
367.01
513.7
CO Maintenance Area
105.55
147.7

4.3 Airport ground support equipment
Annual emissions from airport ground support equipment (GSE) and auxiliary power units
(APUs) at most airports in the county were estimated using the Emissions Dispersion Modeling
System (EDMS, v. 5.1.1) from the U.S. Federal Aviation Administration (FAA). The model can
estimate emissions from affiliated GSE and APUs, by using either default equipment profiles, or
user-specified data on equipment populations and activity patterns. In most cases, activity data
on 2008 aircraft operations and GSE/APU usage was obtained from individual airport surveys
issued by MAG and/or MCAQD. Where survey responses were incomplete or information was
otherwise unavailable, activity data was estimated using commercially available data, and EDMS
default assumptions where appropriate. Further details concerning the modeling input data and
results are presented in Section 4.11 of this report.
For Luke Air Force Base (AFB), emissions estimates for ground support equipment were obtained from a recent base-wide mobile source emissions inventory for calendar year 2008 that
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had recently been completed for the US Air Force (Weston, 2010). GSE emissions from the
Luke AFB study were added to the EDMS-estimated emissions from the other airports in the
County. (The Luke study assumed APU usage, and thus emissions, to be negligible.) A
simplifying assumption was made for all airports; i.e., that activity is spread fairly evenly
throughout the week and year; thus CO season day emissions were estimated by dividing annual
totals by 366 (= days/yr in 2008). Table 4.3–1 below presents the totals for all airport GSE and
APU usage within both Maricopa County and the CO maintenance area, on an annual and
season-day basis, respectively.
Table 4.3–1.
Annual and season day CO emissions from airport ground support equipment.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
4,842.26
26,460.4
CO Maintenance Area
4,765.55
26,041.3

4.4 Commercial equipment
Annual emissions from commercial equipment in Maricopa County were calculated using EPA’s
NONROAD model, as described in Section 4.1. Annual emissions for the CO maintenance area
for this category were derived by applying the ratio of industrial employment in the maintenance
area to Maricopa County-level totals, as data on the number of wholesale establishments
recommended by EIIP guidance (US EPA, 2002) was not available. See Section 1.5.1 for a
discussion of the industrial employment data used.
County season-day emissions were calculated by multiplying Maricopa County CO season
emissions (generated by the NONROAD model) by the most conservative weekday/ weekend
day activity allocation factor for commercial equipment (0.1666667) listed in Table 4.1–2, and
dividing the product by the number of weeks (13) in the CO season (US EPA, 1999). CO
maintenance area season-day emissions were calculated based on industrial employment ratios as
described above.
Table 4.4–1.
Annual and season day CO emissions from commercial equipment.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
37,407.59
204,928.7
CO Maintenance Area
36,816.55
201,690.8

4.5 Construction and mining equipment
Annual emissions from construction and mining equipment in Maricopa County were calculated
using EPA’s NONROAD model as described in Section 4.1. Annual emissions for the CO
maintenance area for this category were derived by applying the ratio of population in the maintenance area to Maricopa County-level totals as a conservative estimate, as the EIIP-recommended allocation factor of total dollar value of construction was unavailable (US EPA, 2002).
See Section 1.5.1 for a discussion of the population data used.
County season-day emissions were calculated by multiplying Maricopa County CO season
emissions (generated by the NONROAD model) by the most conservative weekday/ weekend
day activity allocation factor for construction/mining equipment (0.1666667) listed in Table 4.1–
2, and dividing the product by the number of weeks (13) in the CO season (US EPA, 1999). CO
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maintenance area season-day emissions were calculated based on population ratios as described
above.
Table 4.5–1.
Annual and season day CO emissions from construction and mining equipment.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
17,097.10
90,379.7
CO Maintenance Area
15,753.27
83,275.9

4.6 Industrial equipment
Annual emissions from industrial equipment in Maricopa County were calculated using EPA’s
NONROAD model, as described in Section 4.1. Annual emissions for the CO maintenance area
for this category were derived by applying the ratio of industrial employment in the maintenance
area to Maricopa County-level totals as a conservative estimate, as the number of employees in
manufacturing recommended by EIIP guidance (US EPA, 2002) was not available. See Section
1.5.1 for a discussion of the industrial employment data used.
County season-day emissions were calculated by multiplying Maricopa County CO season
emissions (generated by the NONROAD model) by the most conservative weekday/weekend
day activity allocation factor for industrial equipment (0.1666667) listed in Table 4.1–2, and
dividing the product by the number of weeks (13) in the CO season (US EPA, 1999). CO
maintenance area season-day emissions were calculated based on industrial employment ratios as
described above.
Table 4.6–1.
Annual and season day CO emissions from industrial equipment.
Geographic area
Annual CO emissions (tons/yr) Season-day CO emissions (lbs/day)
Maricopa County
10,294.56
64,617.8
CO Maintenance Area
10,131.90
63,596.8

4.7 Lawn and garden equipment
Annual emissions from lawn and garden equipment in Maricopa County were calculated using
EPA’s NONROAD model, as described in Section 4.1. These results reflect new equipment
population and usage estimates from survey work done in early 2003 for the Arizona Department
of Environmental Quality (discussed further in Section 4.1). Annual emissions for the CO
maintenance area for this category were derived by applying the ratio of population in the
maintenance area to Maricopa County-level totals, since housing units was not available, as
recommended by EIIP guidance (US EPA, 2002). See Section 1.5.1 for a discussion of the
population data used.
County season-day emissions were calculated by multiplying Maricopa County CO season emissions (generated by the NONROAD model) by the most conservative weekday/weekend day
activity allocation factor for lawn and garden equipment (0.1600000 for the commercial
segment, 0.2222222 for residential) listed in Table 4.1–2, and dividing the product by the
number of weeks (13) in the CO season (US EPA, 1999). CO maintenance area season-day
emissions were calculated based on population as described above.

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Table 4.7–1.
Annual and season day CO emissions from lawn and garden equipment.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
66,712.36
100,753.6
CO Maintenance Area
64,657.62
97,650.4

4.8 Pleasure craft
Annual emissions from pleasure craft equipment in Maricopa County were calculated using
EPA’s NONROAD model, as described in Section 4.1. Annual emissions for the CO maintenance area for this category were derived by applying the ratio of water surface area in the
maintenance area to Maricopa County-level totals, as recommended by EIIP guidance (US EPA,
2002). See Section 1.5.2 for a discussion of the land-use data used.
County season-day emissions were calculated by multiplying Maricopa County CO season emissions (generated by the NONROAD model) by the most conservative weekday/weekend day
activity allocation factor for pleasure craft (0.350000) listed in Table 4.1–2, and dividing the
product by the number of weeks (13) in the CO season (US EPA, 1999). CO maintenance area
season-day emissions were calculated based on water surface area as described above.
Table 4.8–1.
Annual and season day CO emissions from pleasure craft equipment.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
1,627.41
5,008.5
CO Maintenance Area
431.81
1,328.9

4.9 Railway maintenance equipment
Annual emissions from railway maintenance equipment in Maricopa County were calculated
using EPA’s NONROAD model, as described in Section 4.1. Annual emissions for the CO
maintenance area for this category were derived by applying the ratio of population in the
maintenance area to Maricopa County-level totals, as recommended by EIIP guidance (US EPA,
2002). See Section 1.5.1 for a discussion of the population data used.
County season-day emissions were calculated by multiplying Maricopa County CO season emissions (generated by the NONROAD model) by the most conservative weekday/weekend day
activity allocation factor for railway maintenance equipment (0.1800000) listed in Table 4.1–2,
and dividing the product by the number of weeks (13) in the CO season (US EPA, 1999). CO
maintenance area season-day emissions were calculated based on the population ratio as
described above.
Table 4.9–1.
Annual and season day CO emissions from railway maintenance equipment.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
19.33
120.8
CO Maintenance Area
18.73
117.1

4.10 Recreational equipment
Annual emissions from recreational equipment in Maricopa County were calculated using EPA’s
NONROAD model (see Section 4.1). Annual emissions for the CO maintenance area were
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derived by applying the ratio of passive open space, golf courses and vacant land use in the CO
maintenance area to Maricopa County-level totals per EIIP guidance (US EPA, 2002). See
Section 1.5.2 for a discussion of the land use data used.
County season-day emissions were calculated by multiplying Maricopa County CO season emissions (generated by the NONROAD model) by the most conservative weekday/weekend day
activity allocation factor for recreational equipment (0.2222222) listed in Table 4.1–2, and
dividing the product by the number of weeks (13) in the CO season (US EPA, 1999). CO
maintenance area season-day emissions were calculated based on land use as described above.
Table 4.10–1.
Annual and season day CO emissions from recreational equipment.
Geographic area
Annual CO emissions (tons/yr)
Season-day CO emissions (lbs/day)
Maricopa County
7,270.41
24,593.7
CO Maintenance Area
412.23
1,394.5

4.11 Aircraft
Emissions from aircraft operations at the largest civilian airports in Maricopa County were estimated using the Federal Aviation Administration’s Emissions and Dispersion Model (EDMS,
v. 5.1.1). The EDMS model combines specified aircraft type and activity levels with default
emission factors in order to estimate annual emissions inventories for a specific airport. The
model also estimates emissions from affiliated ground support equipment (GSE) and auxiliary
power units (APUs); these emissions are reported separately and are summarized in Section 4.3.
MCAQD surveyed medium and large airports in Maricopa County to gather data on aircraft type
and activity level of aircraft operations. Specifically, the number of landing and takeoff cycles,
or (LTO’s) or touch and go operations, (TGOs), along with information on the types of aircraft
that comprise the airport’s typical fleet mix, and other operational data, such as typical usage
patterns of ground support equipment (GSE) and auxiliary power units (APUs), average taxi/idle
times, etc. Where survey responses were unavailable or incomplete, aircraft activity data from
publicly accessible databases, such as the FAA’s Air Traffic Activity Data System (ATADS) and
Enhanced Traffic Management System Counts (ETMSC), were used.
All emission estimates in this section have been developed using the EDMS model, with the
exception of Luke Air Force Base (AFB), whose emissions calculations have been prepared as
part of a base-wide 2008 mobile source emissions inventory that has recently been completed
(Weston, 2010). Luke AFB’s emissions reported as ‘aircraft activity’ actually comprise three
distinct, though related, types of activity: (1) the operation of aircraft stationed at the base, (2) a
much smaller level of “transient” aircraft traffic within Luke’s airspace, and (3) emissions
produced during on-wing engine testing – considered a “mobile source” emission category.
As with all other airports included in this inventory, emissions from ground support equipment
(GSE) at Luke AFB are addressed in Section 4.3.
In addition to the LTOs (and occasional TGO activity) reported by other airports in the area,
Luke reported two additional, types of aircraft operations: aircraft low fly bys (LFB), and aircraft
low fly patterns (LFP). Each of these types of operations can be characterized by a distinctive
combination of the times in mode (TIM); (e.g., approach, taxi in/out, takeoff and climb out.)
Luke’s emissions are not based on the number of LTOs, but rather the aggregate annual operational time in modes (TIMs) for all aircraft of similar type. For the F-16, an LTO cycle includes
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five modes of operation: idle (taxi in/out), intermediate, approach, military and afterburner. F-16
emissions were estimated using the annual TIMs provided by Luke AFB and emission factors
from military guidance documents.
Table 4.11–1 lists the data sources for each airport’s activity level, as well as fleet mix. The total
number of aircraft operations in 2008 is also listed. For all airports other than Luke AFB, aircraft emissions were estimated for four aircraft categories:
 Air carriers (abbreviated “AC”): Larger commercial aircraft with at least 60 seats or 18,000
lbs payload capacity, used for scheduled service to transport passengers and/or freight;
 Air taxis (“AT”): Smaller commercial turbine- or piston-powered aircraft with less than 60
seats or 18,000 lbs payload capacity;
 General aviation (“GA”): Aircraft used on an unscheduled basis for recreational flying,
personal transportation, and other activities, including business travel; and
 Military (“ML”): Aircraft used to support military operations.
Table 4.11–1.

Annual airport operations (by aircraft category), and related data sources.
Fleet Mix Data
Aircraft
2008
Airport
Operations Data
Source2
Type
Operations
Airport
Code
Source1
Buckeye Municipal
BXK
airnav.com
Generic GA profile
GA
26,535
Chandler Municipal
CHD
FAA/ATADS
FAA/ETMSC
AT
2,882
GA
233,713
ML
247
FFZ
FAA/ATADS
FAA/ETMSC
AC
6
Falcon Field
AT
3,813
GA
313,448
ML
2,152
Generic GA profile
GA
1,768
Gila Bend Municipal
E63
airnav.com
Glendale Municipal
GEU
FAA/ATADS,
FAA/ETMSC
AT
1,873
Survey response
GA
134,282
ML
57
Luke Air Force Base
LUF
[ Emission totals provided by Luke AFB are based on times-in-mode. ]
Phoenix Deer Valley
DVT
Survey response
Survey response,
AC
284
FAA/ETMSC
AT
6,217
GA
370,003 *
ML
130
GYR
Survey response
Survey response,
AC
140
Phoenix Goodyear
FAA/ETMSC
AT
1962
GA
169,177 *
ML
6,747
IWA
FAA/ATADS,
FAA/ETMSC
AC
3,876
Phoenix-Mesa Gateway
(formerly Williams
Survey response
AT
5,937
Gateway)
GA
211,674
ML
5,939
PHX
Survey response
Survey response,
AC
391,518
Phoenix Sky Harbor
FAA/ETMSC
AT
77,354
GA
30,868
ML
2,759
P48
airnav.com
Generic GA profile
GA
23,535
Pleasant Valley
Scottsdale
SDL
FAA/ATADS
FAA/ETMSC
AT
11,232
GA
179,619
ML
560
Sky Ranch at Carefree
18AZ
Survey response
Generic GA profile
GA
1,515
Stellar Airpark
P19
airnav.com
Generic GA profile
GA
19,528
Wickenburg Municipal
E25
Survey responses
Generic GA profile
GA
6,000

1. FAA/ATADS: Federal Aviation Administration’s Air Traffic Activity Data System (database); http://aspm.faa.gov.
2. FAA/ETMSC: Federal Aviation Administration’s Enhanced Traffic Management System Counts (database); http://aspm.faa.gov.
* includes touch-and-go (TGO) operations levels reported by the airport.

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The following section describes how activity and emissions were estimated for a representative
airport, Chandler Municipal (CHD). Data from FAA’s Air Traffic Activity Data System
(ATADS, http://www.aspm.faa.gov) provided data on 2008 activity by aircraft type; these results
are contained in Table 4.11–1. While ATADS reported a total of 233,713 general aviation
operations at this airport in 2008, further information on the aircraft types comprising this
activity was needed. The FAA’s Enhanced Traffic Management System Counts (ETMSC)
database was used to “grow” available aircraft-specific operational data as described below.
The ETMSC database on general aviation activity at CHD in 2008 comprises 152 different aircraft types, totaling 3,589 operations (See Table 4.11–2). To simplify modeling input requirements, this aircraft-specific activity data was ranked in order of decreasing frequency and
activity data for the most frequently reported aircraft was then grown to represent all general
aviation (“GA”) activity, as shown in Table 4.11–2 below.
Table 4.11–2.

Rank
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

152

Example showing how most common aircraft-specific activity was grown for modeling.
ETMSC% of total
“Grown”
reported
reported
Cumulative
operations for
Aircraft Type
operations operations
Percent
EDMS modeling
BE20 - Beech 200 Super King
240
6.7%
21,919
BE58 - Beech 58
233
6.5%
21,280
PA28 - Piper Cherokee
233
6.5%
21,280
C525 - Cessna CitationJet/CJ1
232
6.5%
21,189
C182 - Cessna Skylane 182
203
5.7%
31.8%
18,540
C172 - Cessna Skyhawk 172/Cutlass
194
5.4%
17,718
TBM7 - Socata TBM-7
166
4.6%
15,161
R22 - Robinson R-22 Mariner
138
3.8%
12,604
BE9L - Beech King Air 90
106
3.0%
9,681
BE36 - Beech Bonanza 36
97
2.7%
51.3%
8,859
BE55 - Beech Baron 55
90
2.5%
8,220
BE35 - Beech Bonanza 35
87
2.4%
7,946
C210 - Cessna 210 Centurion
75
2.1%
6,850
PA32 - Piper Cherokee Six
73
2.0%
6,667
P28R - Cherokee Arrow/Turbo
71
2.0%
62.4%
6,484
P46T - Piper Malibu Meridian
67
1.9%
6,119
SR22 - Cirrus SR 22
67
1.9%
6,119
BE30 - Raytheon 300 Super King Air
65
1.8%
5,936
MO20 - Mooney M-20
62
1.7%
5,662
C560 - Cessna Citation V/Ultra/Encore
60
1.7%
71.3%
5,480




XL2 - Liberty XL-2
1
< 0.1%
100.0%
(n/a)
Totals:
3,589
233,713

This approach of ranking reported activity, and then growing the most frequently occurring
subset of aircraft typically resulted in a set comprised of 10 to 30 aircraft types being modeled
for each airport/aircraft class combination, representing 60 to 100% of all reported activity. For
ease in modeling computation and the assessment of emissions, all activity was assumed to occur
evenly throughout the year. Thus, CO season day emissions were calculated by dividing annual
totals by 366 (= days per year in 2008). Table 4.11–3 lists the total annual emissions and seasonday emissions, of each airport and aircraft type, and for airports within and outside the CO
maintenance area, respectively.

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Table 4.11–3.

Annual and season-day CO emissions, by airport and aircraft type.
Typical season day CO
Annual CO
Category1
Emissions (tons/yr)
emissions (lbs/day)
Airport
Buckeye Muni (BXK)
Aircraft: GA
351.30
1,919.7
Chandler Muni (CHD)
Aircraft: AT
13.70
74.8
Aircraft: GA
2,146.93
11,731.8
Aircraft: ML
1.28
7.0
CHD total
2,161.90
11,813.7
Falcon Field (FFZ)
Aircraft: AC
0.03
0.2
Aircraft: AT
15.25
83.3
Aircraft: GA
2,824.89
15,436.5
Aircraft: ML
9.28
50.7
FFZ total
2,849.45
15,570.8
Gila Bend Muni (E63)
Aircraft: GA
23.42
128.0
Glendale Muni (GEU)
Aircraft: AT
118.76
648.9
Aircraft: GA
1,068.47
5,838.6
Aircraft: ML
0.65
3.6
GEU total
1,187.88
6,491.1
Luke AFB (LUF)
Aircraft: ML
665.20
3,635.0
Phx Deer Valley (DVT)
Aircraft: AC
2.29
12.5
Aircraft: AT
26.75
146.2
Aircraft: GA
3,159.04
17,262.5
Aircraft: ML
0.83
4.5
DVT total
3,188.91
17,425.7
Phx Goodyear (GYR)
Aircraft: AC
0.81
4.4
Aircraft: AT
8.30
45.3
Aircraft: GA
2,428.23
13,269.0
Aircraft: ML
36.49
199.4
GYR total
2,473.82
13,518.1
Phx Sky Harbor (PHX)
Aircraft: AC
1,795.49
9,811.4
Aircraft: AT
200.51
1,095.7
Aircraft: GA
151.06
825.5
Aircraft: ML
24.69
134.9
PHX total
2,171.75
11,867.5
Williams Gateway (IWA)
Aircraft: AC
14.37
78.5
Aircraft: AT
30.55
166.9
Aircraft: GA
823.11
4,497.8
Aircraft: ML
48.93
267.4
IWA total
916.95
5,010.7
Pleasant Valley (P48)
Aircraft: GA
2.70
14.7
Scottsdale (SDL)
Aircraft: AT
52.75
288.3
Aircraft: GA
702.20
3,837.1
Aircraft: ML
3.53
19.3
SDL total:
758.48
4,144.7
Sky Ranch / Carefree
Aircraft: GA
11.61
63.4
Stellar Airpark (P19)
Aircraft: GA
294.75
1,610.7
Wickenburg Muni (E25)
Aircraft: GA
47.39
259.0
County totals:
17,105.50
93,472.7
Maricopa County
Aircraft: AC
1,812.99
9,907.0
Aircraft: AT
466.56
2,549.5
Aircraft: GA
14,035.08
76,694.4
Aircraft: ML
790.88
4,321.8
Aircraft, total
17,105.50
93,472.7
CO Maintenance area:
Aircraft: AC
1,812.99
9,907.0
(excludes Buckeye, Gila
Aircraft: AT
466.56
2,549.5
Aircraft: GA
13,613.0
74,387.8
Bend and Wickenburg)
Aircraft: ML
790.88
4,321.8
Aircraft, total
16,683.40
91,166.1
1.

AC = air carrier, GA = general aviation, AT = air taxi, ML = military.

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4.12 Locomotives
Annual emissions from locomotives were calculated based on diesel fuel usage provided by
Burlington Northern/Santa Fe Railway (BNSF), Union Pacific Railway (UP) and Amtrak.
Railway operations from these companies fall into two categories: Class I haul lines and
yard/switching operations. Annual emissions from Class I haul operations and yard/switching
operations were calculated by multiplying diesel fuel usage by the emission factors listed in
Table 4.12–1 (US EPA, 2009).
Table 4.12–1. Emission factors for locomotives.
Activity type
Emission factors (lbs/gal diesel)
Class I haul line
0.059
Yard/switch operations
0.061

Fuel use reported by railroads, and annual emission totals are summarized in Table 4.12–2.
Table 4.12–2. Fuel use and annual CO emissions from locomotives in Maricopa County.
Locomotive type
Diesel fuel used (gals)
Annual CO emissions (tons/yr)
BNSF Class I haul line
750,094
22.13
UP Class I haul line
7,780,284
229.52
BNSF yard/switch operations
400,000
12.20
UP yard/switch operations
378,199
11.54
Amtrak
52,416
1.55
Totals:
9,360,993
276.93

CO maintenance area emissions were calculated by multiplying Maricopa County emissions by
the percentage of track miles inside the CO maintenance area, determined by GIS mapping.
Results are shown in Table 4.12–3.
Table 4.12–3.

Annual CO emissions (in tons/yr) from locomotives in the CO maintenance area.
Track in maintenance
Annual CO emissions
Locomotive type
area (%)
(tons/yr)
BNSF Class I haul line
37.95
8.40
UP Class I haul line
37.95
87.10
BNSF yard/switch operations
100.00
12.20
UP yard/switch operations
100.00
11.54
Amtrak
0.00
0.00
Totals:
119.23

CO season-day emissions for both the county and the CO maintenance area (shown in Table
4.12–4) were calculated by dividing annual totals by 366 days per year (= days/yr in 2008), as
locomotive activity is assumed to be uniform throughout the year.

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Table 4.12–4. Season-day emissions (in lbs/day) from locomotives in Maricopa County and the CO
maintenance area.
Locomotive type
Maricopa County
CO maintenance area
BNSF Class I haul line
120.9
45.9
UP Class I haul line
1,254.2
476.0
BNSF yard/switch operations
66.7
66.7
UP yard/switch operations
63.0
63.0
Amtrak
8.4
0.0
Totals:
1,513.3
651.6

4.13 Summary of all nonroad mobile source emissions
Table 4.13−1 summarizes the annual and season-day emissions of carbon monoxide from
nonroad mobile sources in Maricopa County and the CO maintenance area.
Table 4.13–1.

Summary of annual and season-day CO emissions from nonroad mobile sources.
Annual CO emissions (tons/yr)
Season-day CO emissions
Maricopa
CO maintenance
Maricopa
CO maintenEquipment category
County
area
County
ance area
Agricultural
367.01
513.7
105.55
147.7
Airport GSE (+APU)
4,842.26
26,460.4
4,765.55
26,041.3
Commercial equipment
37,407.59
204,928.7
36,816.55
201,690.8
Construction & mining equipment
17,097.10
90,379.7
15,753.27
83,275.9
Industrial equipment
10,294.56
64,617.8
10,131.90
63,596.8
Lawn & garden equipment
66,712.36
100,753.6
64,657.62
97,650.4
Pleasure craft
1,627.41
5,008.5
431.81
1,328.9
Railway maintenance
19.33
120.8
18.73
117.1
Recreational equipment
7,270.41
24,593.7
412.23
1,394.5
Aircraft
17,105.50
93,472.7
16,683.40
91,166.1
Locomotives
276.93
1,513.3
119.23
651.6
Totals:
163,020.46
612,362.8
149,895.85
567,061.0

4.14 Quality assurance procedures
Established procedures were used to check, and correct when necessary, the off-road mobile
sources emissions estimates. All NONROAD model input and output files, and Excel spreadsheets used to calculate the emissions, were checked by personnel who were not involved in the
development of the modeling inputs/outputs and spreadsheets. In addition, the emissions
estimates were reviewed for reasonableness by external agency staff.

4.15 References
ENVIRON et al., 2003. Maricopa County 2002 Comprehensive Emission Inventory for the Cap
and Trade Oversight Committee, Final Rep. prepared for Arizona Dept. of Environmental
Quality, October 9, 2003.
US EPA, 2009. Emission Factors for Locomotives. Office of Transportation and Air Quality.
Rep. EPA420-F-09-025, April 2009. Internet address
http://www.epa.gov/otaq/regs/nonroad/locomotv/420f09025.pdf

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US EPA, 2002. Geographic Allocation of State Level Nonroad Engine Population Data to the
County Level. EPA Office of Transportation and Air Quality, Rep. EPA420-P-02-009, July.
Internet address: http://www.epa.gov/otaq/ models/nonrdmdl/p02009.pdf.
US EPA, 1999. Weekday and Weekend Day Temporal Allocation of Activity in the NONROAD
Model. EPA Office of Transportation and Air Quality, Rep. EPA420-P-99-033, March.
Internet address: http://www.epa.gov/otaq/ models/nonrdmdl/p99033.pdf.
Weston Solutions Inc., 2010. 2008 Mobile source Air Emissions Inventory for Luke Air force
Base. Rept. Prepared for Air Education and Training Command (AETC), US Air Force,
Randolph AFB, TX. June 2010.

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5.

Onroad Mobile Sources

5.1 Introduction
Onroad mobile source emissions for carbon monoxide (CO) have been calculated for the CO
maintenance area and Maricopa County for the 2008 Periodic Emissions Inventory (PEI).
Motor Vehicle Emission Simulator (MOVES2010b) is the latest model developed by the U.S.
Environmental Protection Agency (EPA) for the purpose of estimating onroad and off-network
motor vehicle emission factors.
The MOVES2010b modeling accounted for the oxygenated fuel and the Arizona Vehicle
Inspection/Maintenance (I/M) programs applied in Maricopa County in 2008. The fuel use
assumptions, including oxygen content and Reid Vapor Pressure (RVP), were derived from the
2008 fuel inspection results provided by the Arizona Department of Weights and Measures.
In order to develop the 2008 onroad mobile source emissions, the 2008 vehicle miles traveled
(VMT) estimates by facility type and road type were derived from the 2008 Highway
Performance Monitoring System (HPMS) data provided by the Arizona Department of
Transportation (ADOT). The distribution of VMT by vehicle type is based on the July 2008
vehicle registration data for Maricopa County provided by ADOT. The VMT by vehicle type
was provided as local input data for MOVES2010b to produce onroad exhaust emissions.
The main references for preparing the onroad mobile source portion of the 2008 emissions
inventory were:
•
•
•
•
•

Emission Inventory Requirements for Ozone State Implementation Plans (EPA, 1991);
Procedures for Emission Inventory Preparation Volume IV: Mobile Sources (EPA, 1992a);
Quality Review Guidelines for 1990 Base Year Emission Inventories (EPA, 1992b);
User’s Guide for the SMOKE-MOVES Integration Tool (EPA, 2010a);
Motor Vehicle Emission Simulator (MOVES) - User Guide Version, MOVES2010b (EPA,
2012a);
• Policy Guidance on the Use of MOVES2010 and Subsequent Minor Revisions for State
Implementation Plan Development, Transportation Conformity, and Other Purposes (EPA,
2012b); and
• Using MOVES to Prepare Emission Inventories in State Implementation Plans and
Transportation Conformity: Technical Guidance for MOVES2010, 2010a and 2010b (EPA,
2012c).
5.2 Exhaust emissions
Vehicle exhaust emission factors for CO were calculated using MOVES2010b. The
MOVES2010b runs were executed by MAG. The contact person for the MOVES2010b
emission estimates is Ieesuck Jung (602-254-6300).
5.2.1 MOVES2010b model
The emissions were calculated using MOVES2010b. MOVES2010b is EPA’s state-of-the-art
emissions modeling tool, which replaces EPA’s previous mobile source emissions model,
MOBILE6.2. MOVES2010b is intended for official use to estimate national, state, and county

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level inventories of criteria air pollutants from highway vehicles. The user of MOVES2010b is
allowed to specify vehicle types, time periods, geographical areas, pollutants, vehicle operating
characteristics, and road types for a particular scenario to be modeled by creating a Run
Specification (RunSpec).
In order to calculate vehicle emissions for the calendar year 2008, MOVES2010b was executed
using local input data for each month of the year and each geographical area (the CO
maintenance area and Maricopa County). Each scenario was created using the County
Domain/Scale and the Inventory Calculation Type. The specific MOVES2010b model RunSpec
and RunSpec summaries are described in Appendix 3.
5.2.2

MOVES2010b local input data

Compared with MOBILE6.2, MOVES2010b requires a more detailed level of local data,
including fuel data, I/M program, meteorological data, vehicle population, source type age
distribution, annual VMT, monthly/daily/hourly VMT fractions, road type distribution, average
speed distribution, ramp fraction, and Alternative Vehicle and Fuel Technologies (AVFT)
strategy.
5.2.2.1 Fuel data
Regarding the fuel local input data, MOVES2010b provides two MOVES tables, which are
[fuelsupply] and [fuelformulation]. The fuel data for each month were derived from the 2008
fuel inspection results in Maricopa County provided by the Arizona Department of Weights and
Measures. The fuel data for Maricopa County were also applied to the CO maintenance area.
The specific MOVES tables for fuel data are presented in Appendix 3.
5.2.2.2 I/M programs
MOVES2010b has an [IMCoverage] table for I/M programs; this table was prepared using
MOBILE6.2 input. This table reflects the actual proportions of vehicles subject to the specified
levels of inspection. The term “I/M vehicles” denotes vehicles which are required to undergo an
emission test and/or inspection under the Vehicle Inspection/Maintenance Program. It is
important to note that participation in the I/M program is required for all vehicles registered in
the CO maintenance area, with the exception of certain model years and vehicle classes.
However, it is assumed that 91.6 percent of the vehicles operating within the CO maintenance
area and Maricopa County participate in the I/M program and the remaining 8.4 percent do not
participate in the program. These percentages reflect the control measures “Tougher Enforcement of Vehicle Registration and Emissions Test Compliance” and “Expansion of Area A
Boundaries,” described in the MAG Eight-Hour Ozone Redesignation Request and Maintenance
Plan for the Maricopa Nonattainment Area (MAG, 2009). This percentage is directly applied to
the Compliance Factor in the [IMCoverage] table. The same I/M programs were applied for the
CO maintenance area and Maricopa County. The specific MOVES table for I/M programs is
presented in Appendix 3.
5.2.2.3 Meteorological data
MOVES2010b requires hourly temperature and relative humidity data by specific month of the
year. Meteorological data for the Phoenix Sky Harbor International Airport in 2008 were
obtained from the National Climatic Data Center (http://www7.ncdc.noaa.gov/IPS/lcd/lcd.html?_
page=1&state=AZ&wban=23183&_target2=Next+%3E). The same hourly average temperature

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and relative humidity data for each month were applied for the CO maintenance area and
Maricopa County. The specific MOVES table [ZoneMonthHour] for meteorological data is
presented in Appendix 3.
5.2.2.4 Vehicle population
In order to capture start, evaporative, and extended idle emissions, MOVES2010b introduced a
new mobile source emission category called off-network emissions. In MOVES2010b, these
off-network emissions are directly determined by population of vehicles in an area. The vehicle
population in Maricopa County was obtained from the July 2008 vehicle registration data
provided by ADOT. The vehicle population data were allocated to the 28 MOBILE6.2 vehicle
types based on MOBILE6.2 VMT fractions for 2008. Then, the vehicle population data
allocated to the 28 MOBILE6.2 vehicle types were assigned to the 13 MOVES source types
using the match-up table (Table A.1) in EPA’s technical guidance (EPA, 2010a). The vehicle
population in the CO maintenance area was estimated by applying the population ratio of the two
geographical areas to the vehicle population in Maricopa County. The population ratio for 2008
was derived from the MAG socioeconomic data, which is 3,688,000 people for the CO
maintenance area and 3,988,000 people for Maricopa County. The specific MOVES table
[SourceTypeYear] for vehicle population is presented in Appendix 3.
5.2.2.5 Source type age distribution
MOVES2010b categorizes vehicles according to vehicle classes and model years. The source
type age distribution was prepared using EPA’s data converter that takes the registration
distribution input file created for MOBILE6.2 and converts it to the appropriate MOVES age
distribution input table [SourceTypeAgeDistribution]. The same source type age distribution
was applied for the CO maintenance area and Maricopa County. The specific MOVES table for
source type age distribution is presented in Appendix 3.
5.2.2.6 Annual VMT
The 2008 daily VMTs by facility type were used to estimate onroad exhaust emissions. The
2008 VMT distributions by facility type for the CO maintenance area and Maricopa County were
obtained from the 2008 Maricopa County Estimates of Daily Vehicle Travel by Highway
Functional Classification provided by ADOT. The 2008 VMT distributions were multiplied by
the 2008 HPMS VMT for the CO maintenance area and Maricopa County. The resultant VMT
estimates by facility type for the CO maintenance area and Maricopa County are shown in Table
5.2-1.
Since MOVES2010b requires annual VMTs by HPMS vehicle type as a local input, the daily
VMTs by HPMS vehicle type were derived from the 2008 traffic assignment data provided by
the MAG transportation modeling group in January 2012 and the daily VMTs by facility type
and the estimated percentages of daily vehicle travel by vehicle type and highway functional
classification provided by ADOT. Then, the daily VMTs by HPMS vehicle type were multiplied
by 366 days to obtain the annual VMTs by HPMS vehicle type. The specific MOVES table
[HPMSvTypeYear] for annual VMT is presented in Appendix 3.

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2008 daily VMT by facility type (annual average daily traffic).
CO Maintenance Area
Facility Type
(thousand miles/day)
Interstate
2,040
Other Principal Arterial
819
Minor Arterial
418
Major Collector
1,065
Minor Collector
130
Local
498
Interstate
10,467
Other Freeway/Expressway
18,907
Other Principal Arterial
21,673
Minor Arterial
14,285
Collector
4,655
Local
9,818
Totals:
84,775
Urban

Rural

Table 5.2–1.

Maricopa County
(thousand miles/day)
3,223
1,293
661
1,682
205
787
10,939
19,760
22,651
14,930
4,865
10,261
91,257

5.2.2.7 Road type distribution
MOVES2010b requires the distribution of VMTs by road type as a local input. The road type
VMT distribution by HPMS vehicle type was derived from the 2008 traffic assignment data and
the daily VMTs by HPMS vehicle type mentioned in the previous section. As suggested in
EPA’s technical guidance (EPA, 2010a), the same road type distribution by HPMS vehicle type
was used for all MOVES source types within an HPMS vehicle class. The specific MOVES
table [RoadTypeDistribution] for road type distribution is presented in Appendix 3.
5.2.2.8 VMT fraction
Since VMT varies by month, day of week, and hour, MOVES2010b requires month/day/hour
VMT fractions as a local input in order to derive hourly VMT for each weekday/weekend and
month from the annual VMT. The month/day/hour VMT fractions were developed from data
recorded by continuous traffic counters on freeways (ADOT Freeway Management System) and
arterials (Phoenix Automatic Traffic Recorders) during the year 2007. The specific MOVES
tables [MonthVMTFraction], [DayVMTFraction], and [HourVMTFraction] for VMT fractions
are presented in Appendix 3.
5.2.2.9 Average speed distribution
In MOVES2010b, vehicle power, speed, and acceleration have a significant effect on vehicle
emissions for all pollutants. MOVES2010b estimates those emission effects by assigning
activity to operating mode distributions, which are determined by the distribution of vehicle
hours traveled (VHT) by average speed. As recommended in EPA’s technical guidance (EPA,
2010a), estimates of local average speeds were developed by post-processing the output from the
2008 traffic assignment data provided by the MAG transportation modeling group in January
2012. To develop the average speed distribution, VHTs in sixteen speed bins were accumulated
separately for each hour of the day, source type, and road type in Maricopa County. Then, the
average speed distribution was calculated by normalizing VHTs in sixteen speed bins for each
hour of the day, source type, and road type. The same methodology was applied to develop the

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speed estimates for the CO maintenance area. The specific MOVES table
[AvgSpeedDistribution] for the average speed distribution is presented in Appendix 3.
5.2.2.10 Ramp fraction
MOVES2010b requires the ramp fraction, which represents the percent of VHT on ramps, on
both rural restricted roads (road type 2) and urban restricted roads (road type 4). The fraction of
VHT on ramps was derived by dividing the total VHTs on ramps by the total VHTs for each
restricted road type. Those VHTs were obtained from the 2008 traffic assignment data provided
by the MAG transportation modeling group in January 2012. The specific MOVES table
[RoadType] for ramp fractions is presented in Appendix 3.
5.2.2.11 AVFT strategy
MOVES2010b allows users to modify the fuel engine fraction using different fuels and
technologies in each model year in order to reflect the local situation. The fleet information for
transit buses for model years 1997 through 2010 was provided by Valley Metro and used to
prepare the AVFT input file. Since the fleet data are available only for specific model years,
MOVES2010b default values were obtained from the [fuelEngFraction] table in the MOVES
default database and used for the rest of the model years. The specific MOVES table [AVFT]
for AVFT strategy is presented in Appendix 3.
5.2.3 MOVES2010b outputs
MOVES2010b was executed with the RunSpec files described in Appendix 3 to obtain exhaust
emissions for CO. These values were obtained for the following categories by month:






Vehicle classes: light duty gasoline vehicles (LDGV), light duty gasoline trucks 1 & 2
(LDGT1), light duty gasoline trucks 3 and 4 (LDGT2), heavy duty gasoline vehicles 2B thru
8B and gasoline buses (HDGV), motorcycles (MC), light duty diesel vehicles (LDDV), light
duty diesel trucks 1 thru 4 (LDDT), heavy duty diesel vehicles class 2B (2BHDDV), heavy
duty diesel vehicles classes 3, 4, and 5 (LHDDV), heavy duty diesel vehicles classes 6 and 7
(MHDDV), heavy duty diesel vehicles classes 8A and 8B (HHDDV), and heavy duty diesel
buses (BUSES)
Facility types: rural interstate, rural principal arterial, rural minor arterial, rural major
collector, rural minor collector, rural local, urban interstate, urban freeway/expressway,
urban principal arterial, urban minor arterial, urban collector, urban local, and off-network,
which was newly added in MOVES2010b
Days: weekdays and weekend days

5.2.4 MOVES2010b emission estimates
MOVES2010b was used to generate onroad emissions by vehicle class, facility type, weekdays
/weekend days, and month. By specifying the output time aggregate level as month,
MOVES2010b produces monthly emissions including weekday and weekend emissions for a
given month. The annual emissions were calculated by aggregating monthly onroad emissions
derived by MOVES2010b. The CO season-day emissions were calculated by dividing the threemonth peak CO season emissions from November through January by 92 days.
Table 5.2-2 shows the calculated annual and season-day CO emissions by facility type and
vehicle class in the CO maintenance area and Maricopa County.

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Table 5.2–2.
Annual and CO season-day onroad mobile source emissions by facility type and vehicle class
in the CO maintenance area and Maricopa County.
Facility
Type

Rural
Interstate

Rural
Principal
Arterial

Rural
Minor
Arterial

Rural
Major
Collector

Vehicle
Class

SCC

Annual CO emissions (tons/year)
CO
Maricopa County
Maintenance Area

Season-day CO emissions (lbs/day)
CO
Maricopa County
Maintenance Area

LDGV

2201001110

1,315.28

2,145.56

5,249.8

8,541.7

LDGT1

2201020110

1,026.34

1,716.57

4,191.5

6,991.0

LDGT2

2201040110

528.72

884.29

2,159.3

3,601.4

HDGV

2201070110

410.53

540.14

1,970.5

2,543.7

MC

2201080110

46.53

63.10

236.8

321.1

LDDV

2230001110

0.35

0.52

1.5

2.3

LDDT

2230060110

7.61

11.09

32.7

47.5

2BHDDV

2230071110

3.33

4.85

14.3

20.7

LHDDV

2230072110

18.21

26.48

78.5

113.7

MHDDV

2230073110

64.39

84.06

351.2

458.6

HHDDV

2230074110

162.43

260.03

886.0

1,418.6

BUSES

2230075110

3.67

6.41

20.0

34.9

LDGV

2201001130

682.58

1,062.08

2,788.2

4,329.5

LDGT1

2201020130

562.67

876.46

2,345.7

3,643.6

LDGT2

2201040130

289.86

451.51

1,208.4

1,877.0

HDGV

2201070130

139.18

214.84

646.3

995.6

MC

2201080130

32.65

46.22

166.2

235.2

LDDV

2230001130

0.25

0.38

1.1

1.7

LDDT

2230060130

5.68

8.45

24.9

36.8
16.1

2BHDDV

2230071130

2.48

3.70

10.8

LHDDV

2230072130

13.60

20.20

59.6

88.2

MHDDV

2230073130

16.94

26.68

92.5

145.6

HHDDV

2230074130

38.90

64.41

212.3

351.5

BUSES

2230075130

3.01

5.30

16.5

28.9

LDGV

2201001150

663.29

1,032.06

2,709.3

4,207.1

LDGT1

2201020150

546.76

851.69

2,279.4

3,540.7

LDGT2

2201040150

281.67

438.75

1,174.3

1,824.0

HDGV

2201070150

135.25

208.77

628.1

967.4

MC

2201080150

31.73

44.92

161.5

228.6

LDDV

2230001150

0.24

0.37

1.1

1.6

LDDT

2230060150

5.52

8.21

24.2

35.8
15.6

2BHDDV

2230071150

2.41

3.59

10.5

LHDDV

2230072150

13.21

19.63

57.9

85.7

MHDDV

2230073150

16.46

25.93

89.8

141.5

HHDDV

2230074150

37.80

62.59

206.3

341.5

BUSES

2230075150

2.93

5.15

16.0

28.1

LDGV

2201001170

123.63

192.36

505.0

784.1

LDGT1

2201020170

101.91

158.74

424.9

659.9

LDGT2

2201040170

52.50

81.78

218.9

340.0

HDGV

2201070170

25.21

38.91

117.1

180.3

MC

2201080170

5.91

8.37

30.1

42.6

LDDV

2230001170

0.04

0.07

0.2

0.3

LDDT

2230060170

1.03

1.53

4.5

6.7

2BHDDV

2230071170

0.45

0.67

2.0

2.9

LHDDV

2230072170

2.46

3.66

10.8

16.0

MHDDV

2230073170

3.07

4.83

16.7

26.4

HHDDV

2230074170

7.04

11.67

38.4

63.7

BUSES

2230075170

0.55

0.96

3.0

5.2

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Table 5.2–2.
Annual and CO season-day onroad mobile source emissions by facility type and vehicle class
in the CO maintenance area and Maricopa County (continued).
Facility
Type

Rural
Minor
Collector

Rural
Local

Urban
Interstate

Vehicle
Class

SCC

Annual CO emissions (tons/year)
CO
Maintenance Area
Maricopa County

Season-day CO emissions (lbs/day)
CO
Maintenance Area
Maricopa County

LDGV

2201001190

28.62

44.53

116.9

181.5

LDGT1

2201020190

23.59

36.75

98.4

152.8

LDGT2

2201040190

12.15

18.93

50.7

78.7

HDGV

2201070190

5.84

9.01

27.1

41.7

MC

2201080190

1.37

1.94

7.0

9.9

LDDV

2230001190

0.01

0.02

0.0

0.1

LDDT

2230060190

0.24

0.35

1.0

1.5

2BHDDV

2230071190

0.10

0.16

0.5

0.7

LHDDV

2230072190

0.57

0.85

2.5

3.7

MHDDV

2230073190

0.71

1.12

3.9

6.1

HHDDV

2230074190

1.63

2.70

8.9

14.7

BUSES

2230075190

0.13

0.22

0.7

1.2

LDGV

2201001210

299.00

465.24

1,221.4

1,896.5

LDGT1

2201020210

246.48

383.93

1,027.6

1,596.1

LDGT2

2201040210

126.97

197.78

529.3

822.2

HDGV

2201070210

60.97

94.11

283.1

436.1

MC

2201080210

14.30

20.25

72.8

103.0

LDDV

2230001210

0.11

0.17

0.5

0.7

LDDT

2230060210

2.49

3.70

10.9

16.1

2BHDDV

2230071210

1.09

1.62

4.7

7.0

LHDDV

2230072210

5.96

8.85

26.1

38.6

MHDDV

2230073210

7.42

11.69

40.5

63.8

HHDDV

2230074210

17.04

28.21

93.0

154.0

BUSES

2230075210

1.32

2.32

7.2

12.7

LDGV

2201001230

10,581.17

11,055.84

42,347.7

44,246.7

LDGT1

2201020230

7,657.75

8,003.28

31,375.3

32,790.3

LDGT2

2201040230

3,944.90

4,122.90

16,163.0

16,892.0

HDGV

2201070230

3,124.96

3,260.99

15,041.9

15,695.1

MC

2201080230

339.16

354.16

1,726.2

1,802.6

LDDV

2230001230

2.69

2.81

11.7

12.2

LDDT

2230060230

58.55

61.12

253.0

264.0

2BHDDV

2230071230

25.58

26.70

110.3

115.1

LHDDV

2230072230

140.47

146.62

608.2

634.8

MHDDV

2230073230

436.75

455.92

2,382.4

2,486.9

HHDDV

2230074230

990.85

1,036.24

5,404.9

5,652.5

BUSES

2230075230

36.86

38.59

201.0

210.5

LDGV

2201001250

11,101.55

11,599.57

44,430.4

46,422.8

LDGT1

2201020250

8,034.36

8,396.88

32,918.3

34,402.9

LDGT2

2201040250

4,138.91

4,325.66

16,957.9

17,722.7

HDGV

2201070250

3,278.65

3,421.37

15,781.8

16,467.0

2201080250

355.84

371.58

1,811.1

1,891.2

2230001250

2.82

2.95

12.2

12.8

2230060250

61.43

64.13

265.4

277.0
120.8

MC
Urban
Freeway LDDV
And
LDDT
Expressway
2BHDDV

2230071250

26.83

28.01

115.7

LHDDV

2230072250

147.38

153.83

638.1

666.0

MHDDV

2230073250

458.23

478.34

2,499.5

2,609.2

HHDDV

2230074250

1,039.58

1,087.20

5,670.8

5,930.5

BUSES

2230075250

38.67

40.49

210.9

220.9

2008 Maricopa County CO Emissions Inventory

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Table 5.2–2.
Annual and CO season-day onroad mobile source emissions by facility type and vehicle class
in the CO maintenance area and Maricopa County (continued).
Facility
Type

Urban
Principal
Arterial

Urban
Minor
Arterial

Urban
Collector

Urban
Local

Vehicle
Class

SCC

Annual CO emissions (tons/year)
CO
Maintenance Area
Maricopa County

Season-day CO emissions (lbs/day)
CO
Maintenance Area
Maricopa County

LDGV

2201001270

17,742.84

18,539.93

73,323.3

76,615.7

LDGT1

2201020270

12,966.07

13,548.16

54,751.7

57,207.8

LDGT2

2201040270

6,679.49

6,979.35

28,205.4

29,470.7

HDGV

2201070270

3,594.78

3,756.21

16,948.1

17,708.9

MC

2201080270

546.45

571.05

2,781.0

2,906.2

LDDV

2230001270

6.86

7.17

30.6

31.9

LDDT

2230060270

150.86

157.58

669.7

699.5

2BHDDV

2230071270

65.87

68.80

291.9

304.8

LHDDV

2230072270

362.20

378.33

1,611.1

1,682.7

MHDDV

2230073270

463.74

484.61

2,530.6

2,644.5

HHDDV

2230074270

965.51

1,008.84

5,268.8

5,505.2

BUSES

2230075270

61.82

64.60

337.4

352.5

LDGV
LDGT1
LDGT2
HDGV
MC
LDDV
LDDT
2BHDDV
LHDDV
MHDDV
HHDDV
BUSES

2201001290
2201020290
2201040290
2201070290
2201080290
2230001290
2230060290
2230071290
2230072290
2230073290
2230074290
2230075290

9,018.61
6,590.60
3,395.16
1,827.21
277.76
3.49
76.68
33.48
184.11
235.72
490.77
31.43

9,423.76
6,886.47
3,547.57
1,909.26
290.26
3.64
80.10
34.97
192.30
246.32
512.79
32.83

37,270.0
27,830.0
14,336.7
8,614.6
1,413.6
15.5
340.4
148.3
818.9
1,286.3
2,678.1
171.5

38,943.4
29,078.5
14,979.8
9,001.4
1,477.2
16.2
355.6
154.9
855.3
1,344.2
2,798.3
179.2

LDGV

2201001310

1,761.28

1,840.40

7,278.6

7,605.4

LDGT1

2201020310

1,287.10

1,344.88

5,435.0

5,678.8

LDGT2

2201040310

663.05

692.82

2,799.9

2,925.5

HDGV

2201070310

356.84

372.87

1,682.4

1,757.9

MC

2201080310

54.24

56.69

276.1

288.5

LDDV

2230001310

0.68

0.71

3.0

3.2

LDDT

2230060310

14.98

15.64

66.5

69.4

2BHDDV

2230071310

6.54

6.83

29.0

30.3

LHDDV

2230072310

35.95

37.56

159.9

167.0

MHDDV

2230073310

46.03

48.11

251.2

262.5

HHDDV

2230074310

95.84

100.14

523.0

546.5

BUSES

2230075310

6.14

6.41

33.5

35.0

LDGV

2201001330

8,501.75

8,883.68

35,134.1

36,711.5

LDGT1

2201020330

6,212.89

6,491.80

26,235.1

27,412.0

LDGT2

2201040330

3,200.58

3,344.26

13,515.0

14,121.3

HDGV

2201070330

1,722.49

1,799.84

8,120.9

8,485.5

MC

2201080330

261.84

273.63

1,332.5

1,392.5

LDDV

2230001330

3.29

3.43

14.6

15.3

LDDT

2230060330

72.29

75.51

320.9

335.2
146.1

2BHDDV

2230071330

31.56

32.97

139.8

LHDDV

2230072330

173.56

181.28

772.0

806.3

MHDDV

2230073330

222.21

232.21

1,212.6

1,267.1

HHDDV

2230074330

462.64

483.40

2,524.6

2,637.9

BUSES

2230075330

29.62

30.95

161.7

168.9

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Table 5.2–2.
Annual and CO season-day onroad mobile source emissions by facility type and vehicle class
in the CO maintenance area and Maricopa County (continued).
Facility
Type

Off-Network

Vehicle
Class

SCC

Annual CO emissions (tons/year)
CO
Maintenance Area
Maricopa County

Season-day CO emissions (lbs/day)
CO
Maintenance Area
Maricopa County

LDGV

2201001000

44,232.59

47,830.69

316,294.2

342,022.9

LDGT1

2201020000

20,331.12

21,984.95

121,473.5

131,354.9

LDGT2

2201040000

10,473.60

11,325.57

62,577.3

67,667.6

HDGV

2201070000

5,302.43

5,733.76

29,934.9

32,370.0

MC

2201080000

68.78

74.37

748.5

809.4

LDDV

2230001000

12.03

13.01

71.6

77.5

LDDT

2230060000

16.20

17.52

95.7

103.5

2BHDDV

2230071000

6.96

7.52

41.2

44.5

LHDDV

2230072000

37.59

40.65

222.4

240.5

MHDDV

2230073000

216.62

233.95

1,201.1

1,297.2

HHDDV

2230074000

1,231.54

1,326.20

6,745.5

7,264.1

BUSES

2230075000

81.74

88.39

453.2

490.0

5.3 Summary of CO emissions from onroad mobile sources
Table 5.3-1 summarizes the annual and season-day emissions for CO from all onroad mobile
sources in the CO maintenance area and Maricopa County in 2008.
Table 5.3–1.
Annual and CO season-day emissions from all onroad mobile sources in the CO
maintenance area and Maricopa County.
Annual CO emissions
Season-day CO emissions
Emission Category
(tons/year)
(lbs/day)
Maricopa County
255,355.67
1,293,502.6
CO maintenance area

237,324.41

1,201,621.5

5.4 Quality assurance process
5.4.1

VMT estimates

Normal quality assurance procedures, including automated and manual consistency checks, were
conducted by MAG in developing the 2008 TransCAD traffic assignment network used to
generate the VMT data. The VMT estimates using the MAG travel demand model have been
validated against approximately 2,200 traffic counts collected in 2006–2008.
5.4.2

Emission estimates

The quality assurance process performed on the MOVES2010b analyses included accuracy,
completeness, and reasonableness checks. For accuracy and completeness, all calculations were
checked by an independent reviewer. Any errors found were corrected and the corrections were
then rechecked by the reviewer.
5.4.3 Draft CO emissions inventory
The draft onroad mobile source portion of the 2008 periodic CO emissions inventory was
reviewed using published EPA quality review guidelines for base year emission inventories
(EPA, 1992b). The procedure review (Levels I, II, and III) included checks for completeness,
consistency, and the correct use of appropriate procedures.

2008 Maricopa County CO Emissions Inventory

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5.5 References
MAG, 2009. MAG Eight-Hour Ozone Redesignation Request and Maintenance Plan for the
Maricopa Nonattainment Area, February 2009.
US EPA, 1991. Emission Inventory Requirements for Ozone State Implementation Plans, EPA450/4-91-010, March 1991.
US EPA, 1992a. Procedures for Emission Inventory Preparation Volume IV: Mobile Sources,
EPA-450/4-81-026d (Revised), 1992.
US EPA, 1992b. Quality Review Guidelines for 1990 Base Year Emission Inventories, EPA454/R-92-007, July 1992.
US EPA, 2010a. User’s Guide for the SMOKE-MOVES Integration Tool, EPA Contract EP-D07-102 (WA 3-03), July 2010.
US EPA, 2012a. Motor Vehicle Emission Simulator (MOVES) - User Guide Version,
MOVES2010b, EPA-420-B-12-001, March 2012.
US EPA, 2012b. Policy Guidance on the Use of MOVES2010 and Subsequent Minor Revisions
for State Implementation Plan Development, Transportation Conformity, and Other
Purposes, EPA-420-B-12-010, April 2012.
US EPA, 2012c. Using MOVES to Prepare Emission Inventories in State Implementation Plans
and Transportation Conformity: Technical Guidance for MOVES2010, 2010a and 2010b,
EPA-420-B-12-028, April 2012.

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6.

Biogenic Sources

6.1 Introduction
Biogenic emissions have been estimated for the 2008 Periodic Emissions Inventory for carbon
monoxide (CO) in Maricopa County (9,223 square miles) and the CO maintenance area (MA)
(1,814 square miles). The Model of Emissions of Gases and Aerosols from Nature (MEGAN)
has been used to estimate the biogenic emissions. MEGAN is a state-of-the-art biogenic
emissions model developed by the National Center for Atmospheric Research (NCAR). Some
important corrections and improvements were made in the latest version of MEGAN2.04
(Guenther, 2007 and Feng Liu, 2009) compared to previous versions (Guenther, 2006, 2006a and
2006b). MEGAN2.04 was applied to compute biogenic emissions in Maricopa County and the
CO MA. Estimated emissions for CO are included in this biogenic emissions inventory. The
MEGAN runs were executed by the Maricopa Association of Governments. The contact person
for the MEGAN emission estimates is Feng Liu (602-254-6300).
6.2 Modeling domain
As a numerical model, the MEGAN inputs and outputs are given in two dimensional grid cells.
To develop biogenic emissions for the 2008 Periodic Emission Inventory for CO, the 4-km and
12-km modeling domains developed for the MAG Eight-Hour Ozone Plans for the Maricopa
Nonattainment Area (MAG, 2007 and 2009), were employed to develop biogenic CO emissions
for the CO MA and Maricopa County, respectively. The definition of the domains in the
Universal Transverse Mercator (UTM) coordinate system is presented in Table 6.2–1. Since
MEGAN estimates biogenic emissions for an entire modeling domain, masking areas covered by
the CO MA and Maricopa County, were developed by applying Geographic Information
Systems (GIS) to those two target areas. For the target area, the masking file assigns 1.0 for the
grid cells fully covered by the target area, a fractional value for grid cells partially covered by the
target area, and 0.0 for grid cells outside the target area. As shown in Figure 6.3–1, biogenic
emissions for the CO MA and Maricopa County were extracted from MEGAN outputs for the
masked grid cells in the 4-km and 12-km modeling domains, respectively.
Table 6.2–1.
Two modeling domains defined in the UTM coordinate system.
Grid Horizontal
Grid Size
Domain Range (km)
Target Area
Resolution
4-km
50 by 29
(297,3652) to (497,3768)
CO Maintenance Area
12-km
111 by 84
(-275,3188) to (1057,4196)
Maricopa County

6.3 Input data
To calculate biogenic emissions using MEGAN, the following gridded land-cover and
meteorological input files were prepared:
1) EFMAP_LAI file: This file provides emission factors (EF) for 20 MEGAN species
including NOx, CO and VOC, and monthly average leaf index (LAI) for 12 months for each
grid cell.
2) PFTF file: This input file gives the percentage of four plant function types (PFT) including
broadleaf trees (BT), needle leaf trees (NT), grass and crops (HB) and shrubs (SB) for each
modeling domain grid location.

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3) METCRO2D file: This file contains meteorological parameters including temperature,
short wave radiation, wind speed, humidity and soil moisture for each grid.

Figure 6.3–1.
Masked CO maintenance area (blue area) in the 4-km domain (left) and Maricopa County in
the 12-km domain (right). The red star in the left panel denotes the meteorological observation site.

6.3.1

Land cover data

The land cover data, including the monthly LAI, PFT, and EF, are provided by the EFMAP_LAI
and PFTF files. These input data were derived from the MEGAN land cover database available
at a base resolution of 30 seconds latitude by 30 seconds longitude (~ 1x1 km2) in ArcGIS
format (http://acd.ucar.edu/~guenther/MEGAN/MEGAN.htm). For the MEGAN runs, however,
the default land cover data were replaced by local datasets, which were developed by a field
study conducted by Dr. Guenther in June 2006 (ENVIRON, 2006). The substitution was made
because the default database systematically underestimated the LAIs in Maricopa County.
6.3.2

Weather data

The weather data used by MEGAN include temperature, downward short wave radiation, wind
speed, humidity and soil moisture. The Measurement and Instrumentation Data Center (MIDC)
collects irradiance and meteorological data from nation-wide stations, one of which is located in
northern Phoenix (33.83˚N, 112.17˚W, see the red star in Figure 6.3–1), and is operated by the
Phoenix Federal Correction Institution (PFCI). The archived hourly temperature, wind speed,
humidity and radiation data from this site are available to the public. Monthly mean diurnal
cycles of the weather parameters were calculated based on hourly data for the year 2008 and a
netCDF file representing 24-hour data for each month was prepared for MEGAN inputs.
Biogenic emissions of CO are highly dependent on temperature and downward short wave
radiation. Figure 6.3–2 shows annual mean diurnal cycles of temperature and radiation. The
peak temperature around 4:00-5:00 pm lags three hours behind the peak radiation. The delay is
due to the fact that heating of the air occurs not from the sun’s rays, but from heating of the earth
and infrared radiation leaving the ground in the form of heat. As a result, maximum hourly
emission rates take place in the afternoon because the emission rates are positively related to
both temperature and short wave radiation (Guenther, 2006). Data analysis indicates that
temperature and radiation peak values occur in June. The maximum monthly CO biogenic
emission rates would be expected to occur in the same month.

2008 Maricopa County CO Emissions Inventory

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800

85

Downward short wave radiation (W/m2)

700

Temperature (F)

80

75

70

65

600
500
400
300
200
100
0
1

60
1

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

2

3

4

5

6

7

8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

100
Hour of the day

Hour of the day

Figure 6.3–2.
Annual mean diurnal cycles of measured temperature (left) and downward short wave
radiation (right) in 2008.

6.4 Emission estimation
MEGAN runs for the 4-km modeling domain provide hourly biogenic emission outputs for the
year 2008. Daily mean emissions for each month in 2008 are derived by using the hourly
outputs for each month. The daily mean emissions for the 12 months in 2008 are shown in Table
6.4–1 for the MA and Maricopa County. Monthly total emissions were obtained by multiplying
the daily mean emissions for each month by the number of days in the month. Monthly CO
emissions for the MA and Maricopa County are presented in Table 6.4–2. Monthly mean
emissions for the MA and Maricopa County are illustrated in Figure 6.4–1. It can be seen that the
maximum monthly biogenic CO emissions took place in June, because monthly mean
temperature and radiation reached the maximum in June.
Table 6.4–1.
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Daily mean biogenic CO emissions
CO Maintenance Area
kg/day
lbs/day
1,419.3
3,129.0
1,900.4
4,189.7
4,967.9
10,952.3
7,192.1
15,855.9
7,744.2
17,073.0
17,801.6
39,245.8
16.420.2
36,200.3
14,891.7
32,830.5
12,355.4
27,239.0
6,675.2
14,716.3
3,408.8
7,515.1
1,494.1
3,293.9

2008 Maricopa County CO Emissions Inventory

Maricopa County
kg/day
lbs/day
6,511.4
14,355.2
9,092.3
20,045.1
23,109.3
50,947.3
33,191.0
73,173.6
34,216.2
75,433.8
77,086.0
169,945.6
70,985.5
156,496.3
63,556.3
140,117.7
58,326.4
128,587.7
31,130.4
68,630.8
15,432.2
34,022.2
6,829.6
15,056.7

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Table 6.4–2.
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Monthly biogenic CO emissions in MA and Maricopa County
CO Maintenance Area
Maricopa County
Metric tons/month
Short tons/month
Metric tons/month
Short tons/month
44.00
48.50
201.85
222.50
55.11
60.75
263.68
290.66
54.01
59.54
716.39
789.68
215.76
237.83
995.73
1,097.60
240.07
264.63
1,060.70
1,169.22
534.05
588.69
2,312.58
2,549.18
509.03
561.11
2,200.55
2,425.69
461.64
508.87
1,970.25
2,171.83
370.66
408.58
1,749.79
1,928.81
206.93
228.10
965.04
1,063.77
102.26
112.72
462.97
510.34
46.32
51.06
211.72
233.38

Figure 6.4–1.
Monthly biogenic CO emissions in Maricopa County (pink solid line, “MC”) and the CO
Maintenance Area (dark blue line, “MA”).

2008 Maricopa County CO Emissions Inventory

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6.5 Summary of biogenic source emissions
Annual total biogenic CO emissions and daily mean biogenic CO emissions during the winter
season for the MA and Maricopa County in 2008 are shown in Table 6.5–1. Due to the
incorporation of land cover data that are more characteristic of plants located in the southwest
desert area, as well as improvements in the MEGAN model, the 2008 biogenic CO emission
estimates shown in Table 6.5–1 represent a substantial improvement over previous biogenic
emission estimates for Maricopa County and the CO Maintenance Area.
Table 6.5–1.

Annual total and winter season daily mean biogenic CO emissions
Annual Total
Winter Season Daily Mean
Area
Tonnes*/yr
Tons*/yr
kg/day
lbs/day
Maricopa County
13,111.25
14,452.68
9,591.1
21,144.7
CO Maintenance Area
2,839.84
3,130.39
2,107.4
4,646.0
* tonne denotes metric ton, and ton denotes short (or English) ton, 1 tonne = 1.10231 tons.

6.6 References
ENVIRON International Corp., 2006. Final Report, Maricopa Association of Governments 2006
Biogenics Study.
Feng Liu, 2009: Prevention of Negative Emission Rate from MEGAN2.04,
http://mailman.ucar.edu/pipermail/cdp/attachments/20110217/615f969f/attachment.pdf.
Guenther, A., T. Karl, P. Harley, C. Wiedinmyer, P. I. Palmer, and C. Geron, 2006. Estimates of
global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and
Aerosols from Nature), Atmos. Chem. Phys., 6, 1-30.
Guenther, A., 2006a. User’s Guide to Processing Driving Variables for Model of Emissions of
Gases and Aerosols from Nature (MEGAN).
Guenther, A., 2006b. User’s Guide to the Model of Emissions of Gases and Aerosols from
Nature (MEGAN) Version MEGAN-VBA-2.0.
Guenther, 2007: Corrigendum to "Estimates of global terrestrial isoprene emissions using
MEGAN (Model of Emissions of Gases and Aerosols from Nature)" published in Atmos.
Chem. Phys., 6, 3181–3210, 2006, Atmos. Chem. Phys., 7, 4327-4327.
Maricopa Association of Governments, 2007. MAG Eight-Hour Ozone Plan for the Maricopa
Nonattainment Area.
Maricopa Association of Governments, 2009. MAG Eight-Hour Ozone Redesignation Request
and Maintenance Plan for the Maricopa Nonattainment Area.
Maricopa County Air Quality Department, 2010. 2008 Periodic Emission Inventory for Ozone
Precursors for the Maricopa County, Arizona, Nonattainment Area, pp. 111-115.

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Appendix 1. Instructions for Reporting 2008 Annual Air Pollution Emissions

INSTRUCTIONS
FOR REPORTING 2008
ANNUAL AIR POLLUTION EMISSIONS

January 2009

Emissions Inventory Unit
1001 North Central Avenue, Suite 595
Phoenix, Arizona 85004
(602) 506-6790
(602) 506-6179 (Fax)
Copies of this document, related forms
and other reference materials are available online at our web site:
http://www.maricopa.gov/aq/divisions/planning analysis/emissions inventory/Default.aspx

A2-1

TABLE OF CONTENTS
WHAT’S NEW FOR 2008? .............................................................................................................. 1
I.

INTRODUCTION............................................................................................................................. 2
Steps to Complete Your 2008 Maricopa County Emissions Inventory

II. REPORTING REQUIREMENTS................................................................................................... 3
- Pollutants to be Reported
- Emission Calculation Method Hierarchy
III. CONFIDENTIALITY OF DATA SUBMITTED............................................................................ 5
- Arizona State Statue and Maricopa County Rule
IV. HELPFUL HINTS AND INFORMATION..................................................................................... 6
- What is a Process?
- Processes and Materials That Do Not Have to be Reported
- Grouping Materials and/or Equipment Under One Process ID
- Assigning Identification Numbers (IDs)
- Industry-Specific Instructions
- Commonly Used Conversion Factors
- Additional Resources and Assistance
V.

INSTRUCTIONS AND EXAMPLES FOR EMISSIONS REPORTING FORMS
Business Form ..................................................................................................................................... 8
Stack Form ......................................................................................................................................... 9
Control Device Form ....................................................................................................................... 10
General Process Form ....................................................................................................................... 11
Evaporative Process Form ................................................................................................................ 15
Off-Site Recycling/Disposal Form.................................................................................................... 19
Documentation of Emission Factor Calculations.............................................................................. 20
Data Certification Form (for NON-Title V sources) ........................................................................ 21
How to Calculate an Emission Fee (for Title V sources ONLY)...................................................... 22
Data Certification/Fee Calculation Form (for Title V sources ONLY) ............................................ 23

Maricopa County Emissions Inventory Unit

ii

Instructions for Reporting 2008 Emissions

WHAT'S NEW FOR 2008?
Reporting forms:
•

Some preprinted information on your report may be different from last year’s version. Please
review the enclosed forms carefully, and verify all preprinted information.

•

Many of our reporting forms have changed in past years. If you use your own forms, or a
computerized reproduction of our forms, the forms used MUST conform to the current information
requirements and FORMAT as supplied on our preprinted forms. “Homemade” reporting forms that
vary significantly from the preprinted forms sent to you will not be accepted.

•

Please VERIFY that your reporting forms match the preprinted forms.

Miscellaneous:
•

If this is the first emissions inventory for your permit and your business did not operate in 2008,
you must still submit a completed Business Form and a signed Data Certification Form stating
that there were no operations at your facility during 2008.

•

In accordance with Maricopa County Air Pollution Control Rule 280 (Fees), the 2008 annual emission
fee for Title V sources only is $38.25/ton. NOTE: Only Title V sources (those whose air quality
permit numbers have a “V” prefix) are subject to this annual emissions fee.

Maricopa County Emissions Inventory Unit

1

Instructions for Reporting 2008 Emissions

I. INTRODUCTION
An annual emissions inventory is a document submitted by a business that: (1) lists all processes emitting
reportable air pollutants and (2) provides details about each of those processes. Submitting the emissions
inventory report is required as a condition of your Maricopa County Air Quality Permit. A separate
emissions report is required for each business location with its own air quality permit.
Follow these steps to complete your 2008 Maricopa County emissions inventory:
STEP 1: Determine which forms are needed for your business. There are eight different forms available,
but not all are required for every type of business. For most permitted sources, the packet you received from
us contains the necessary preprinted forms based on your site’s most recent emissions inventory.
1.
2.

3.
4.
5.
6.
7.
8.

Business Form: Contains general contact information about the permitted site. This form is required
for all businesses.
Stack Form: Only required if your business location annually emits over 10 tons of a single pollutant
(CO, VOC, NOx, PM10, or SOx). A “stack” is defined as a stack, pipe, vent or opening through which a
significant percentage of emissions (from one or more processes) are released into the atmosphere. See
the “Stack Form Instructions” on page 9 for specific requirements.
Control Device Form: Required only if there is one or more emission control devices used at the
business location.
General Process Form and
Either or both will be required for all businesses.
Evaporative Process Form:
Off-Site Recycling/Disposal Form: Required if you want to claim off-site recycling or disposal.
Emission Factor Calculations: Required as attachment for each process for which you calculated
your own emission factors.
Data Certification Form or Data Certification/Fee Calculation Form: Only sources with a Title V
(permit number would start with “V”) permit are required to pay a fee for their emissions and need to
use the Data Certification/Fee Calculation Form. All other sources use the Data Certification Form.

}

STEP 2: Complete the applicable forms. Verify all preprinted information, and make corrections where
necessary. When making corrections, strike out the preprinted data and write in corrections beside it. Please
make all changes readily noticeable. Detailed information on how to complete the most common forms is
included in this document. The packet you received also contains information about other resources
(workshops, one-on-one assistance, etc.) available to help you in completing the necessary forms.
STEP 3: Make a copy of your completed emissions inventory report. Make sure to KEEP COPIES of all
forms submitted and copies of all records and calculations used in completing the forms. Air pollution
control regulations require that you keep all documentation for at least FIVE YEARS at the location where
pollution is being emitted.
STEP 4: Make sure the Data Certification Form (or Data Certification/Fee Calculation Form for Title V
sources) is signed by a company representative. Include your air quality permit number on all correspondence and applicable checks submitted with your report. Return the original, signed copy of your
annual emission report, with payment for any applicable emission fees to:
MCAQD One Stop Shop
Emissions Inventory Intake
501 N. 44th St. Suite 200
Phoenix AZ 85008-6538

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

II. REPORTING REQUIREMENTS
POLLUTANTS TO BE REPORTED:
Your emissions inventory must include your business’s emissions of the following air pollutants:
CO
NOx
PM10
SOx
VOC
HAP&NON
NHx
Pb

=
=
=
=
=
=
=
=

Carbon monoxide
Nitrogen oxides
Particulate matter less than 10 microns
Sulfur oxides
Volatile organic compounds *
Hazardous Air Pollutant (HAP) that is also NOT a volatile organic compound (VOC)**
Ammonia and ammonium compounds
Lead

* A volatile organic compound (VOC) is defined as any compound of carbon that participates in atmospheric photochemical reactions. This definition excludes: carbon monoxide, carbon dioxide, acetone,
carbonic acid, metallic carbides or carbonates, and ammonium carbonate, as well as certain other organic
compounds. (See Maricopa County Air Pollution Control Rule 100, Sections 200.69 and 200.110 for a full
definition.)
EPA has re-designated the chemical t-butyl acetate (CAS Number 540-88-5) as a VOC for record-keeping
requirements and emissions reporting, but not for emission limitations or content requirements. County Rule
100, Section 200.69b states:
“The following compound(s) are VOC for purposes of all recordkeeping, emissions reporting, photochemical
dispersion modeling and inventory requirements which apply to VOC and shall be uniquely identified in
emission reports, but are not VOC for purposes of VOC emissions limitations or VOC content requirements:
t-butyl acetate (540-88-5).”
Therefore, if your facility uses t-butyl acetate, it is necessary to report t-butyl acetate as a separate material
on the evaporative process form, not as part of a grouped material (e.g., solvents, thinners, activators, etc.).
T-butyl acetate will continue to be identified as a VOC on your emission report and count towards any
applicable emission fees.
** HAP&NON: Usage of certain materials that are: (1) a Hazardous Air Pollutant (HAP) and (2) not also a
VOC (that is, not also an ozone precursor) should also be reported if:
(a) your site is subject to a Federal MACT (Maximum Achievable Control Technology) standard or
(b) your air quality permit contains specific quantitative limits for HAP emissions.
The most common materials categorized as “HAP&NON” include:
• methylene chloride (dichloromethane)
• perchloroethylene
• 111-trichloroethane (111-TCA or methyl chloroform)
• hydrochloric acid
• hydrofluoric acid
NOTE: HAPs that are also considered volatile organic compounds are reported as VOC.

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

EMISSION CALCULATION METHOD HIERARCHY:
When preparing emission information for your report, the most accurate method for calculating actual
emissions must be used. The hierarchy listed below outlines the preferred methods for calculating emission
estimates (taken from County Rule 280, Section 305.1).
(1)

Whenever available, emissions estimates should be calculated from continuous emissions
monitors certified under 40 CFR Part 75, Subpart C, or data quality assured pursuant to
Appendix F of 40 CFR, Part 60.

(2)

When sufficient data obtained using the methods described in paragraph 1 is not available,
emissions estimates should be calculated from source performance tests conducted pursuant to
Rule 270 in Maricopa County’s Air Pollution Control Rules and Regulations.

(3)

When sufficient data obtained using the methods described in paragraphs 1 or 2 is not available,
emissions estimates should be calculated from material balance using engineering knowledge of
the process.

(4)

When sufficient data obtained using the methods described in paragraphs 1 through 3 is not
available, emissions estimates shall be calculated using emissions factors from EPA Publication
No. AP-42 "Compilation of Air Pollutant Emission Factors," Volume I: Stationary Point and
Area Sources.

(5)

When sufficient data obtained using the methods described in paragraphs 1 through 4 is not
available, emissions estimates should be calculated by equivalent methods supported by back-up
documentation that will substantiate the chosen method.

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

III. CONFIDENTIALITY OF DATA SUBMITTED
Information submitted in your annual emissions reports must be made available to the public unless it meets
certain criteria of Arizona State Statutes and Maricopa County Rules. Applicable excerpts concerning
confidentiality of data are reproduced below.
ARS § 49-487 D. ...the following information shall be available to the public:…
2. The chemical constituents, concentrations and amounts of any emission of any air contaminant. ...
MARICOPA COUNTY AIR POLLUTION CONTROL RULES AND REGULATIONS, Rule 100:
§ 200.107 TRADE SECRETS - Information to which all of the following apply:
a.
A person has taken reasonable measures to protect from disclosure and the person intends to continue to
take such measures.
b.
The information is not, and has not been, reasonably obtainable without the person’s consent by other
persons, other than governmental bodies, by use of legitimate means, other than discovery based on a
showing of special need in a judicial or quasi-judicial proceeding.
c.
No statute, including ARS §49-487, specifically requires disclosure of the information to the public.
d.
The person has satisfactorily shown that disclosure of the information is likely to cause substantial harm to
the business’s competitive position.
§ 402
CONFIDENTIALITY OF INFORMATION:
402.2
Any records, reports or information obtained from any person under these rules shall be available to the
public ... unless a person:
a.
Precisely identifies the information in the permit(s), records, or reports which is considered confidential.
b.
Provides sufficient supporting information to allow the Control Officer to evaluate whether such information
satisfies the requirements related to trade secrets as defined in Section 200.107 of this rule.

For emissions inventory information to be deemed confidential, the following steps must be followed:
• Specific data which you request be held confidential must be identified by marking an “X” in the
corresponding gray confidentiality box(es) on the relevant report forms.
• Provide a written explanation which gives factual information satisfactorily describing why releasing this
information could cause substantial harm to the business’s competitive position.
• Use the gray-shaded boxes on the reporting forms to indicate which data are to be held confidential. Do
NOT stamp “Confidential”, highlight data, or otherwise mark the page.
No data can be held confidential without proper justification.

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Instructions for Reporting 2008 Emissions

IV. HELPFUL HINTS AND INFORMATION
Be sure to verify all preprinted information on forms. If any information is incorrect or blank, please provide
correct information. Making a change on the Business Form will NOT transfer the permit ownership or
location. You must contact the Department's One Stop Shop at (602) 506-6464 to accomplish this.
WHAT IS A PROCESS? A process is a business activity at your location that emits one or more of the
pollutants listed on page 3, and has only one material type as input and one operating schedule. For each
applicable process at your business, you must assign a unique Process ID number to differentiate each
process.
PROCESSES AND MATERIALS THAT DO NOT HAVE TO BE REPORTED:
• Welding.
• Acetone usage.
• Fuel use for forklifts or other vehicles. (NOTE: Fuel use in non-vehicle engines is reportable.)
• Soil remediation activities. (Note: Other periodic reporting requirements may exist; consult your permit.)
• Storage emissions from fuels or organic chemicals in any tank with a capacity of 250 gallons or less.
• Storage emissions of diesel and Jet A fuel in underground tanks of any size.
• Storage emissions of diesel and Jet A fuel in aboveground tanks, with throughput < 4,000,000 gal/yr.
• Routine pesticide usage, housekeeping cleaners, and routine maintenance painting at your facility.
Please group all similar equipment and materials together before applying the following limitations:
• Internal combustion engines (e.g., emergency generators) or external combustion equipment (e.g., boilers
and heaters) that operated less than 100 hrs. and burned less than 200 gals. diesel or gas, or less than
100,000 cubic feet of natural gas.
• Materials with usage of less than 15 gallons or 100 pounds per year.
GROUPING MATERIALS AND/OR EQUIPMENT UNDER ONE PROCESS ID:
You can group together under one process ID:
• All internal combustion engines less than 600 hp if they burn the same fuel and have similar operating
schedules.
• All external combustion equipment (boilers, heaters) with a capacity of less than 10,000,000 Btu per
hour if they burn the same fuel and have similar operating schedules.
• All similar evaporative materials with similar emission factors that have similar operating schedules and
process descriptions. For example, group low-VOC red paint, green paint and white paint together as
one material: “Paint: Low-VOC.” Do not group dissimilar materials together, such as thinners and
paints. Attach documentation (see example, p. 20) showing how the grouped emission factor was
determined.
• All underground tanks with the same fuel and same type of vapor recovery system.
ASSIGNING IDENTIFICATION NUMBERS (IDs):
Unique IDs are required for the following report elements: Stacks, Control Devices and Processes. For
processes, that means a process ID number may be used only once on each General Process form and for
each material reported on the Evaporative Process Forms.
These numbers are usually assigned by the person who prepares the original report. If you are adding a new
item to a preprinted report, assign a number not already in use. Once an ID number is assigned, continue
using the same number for that item each year. If that item is no longer reportable, mark it with ‘DELETE’
and return the preprinted form with a brief explanation. Do not use that ID number again.
Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

INDUSTRY-SPECIFIC INSTRUCTIONS: Additional help sheets, detailed examples, and special
instructions are available for a number of specific processes or industries listed below. To get copies of any
of these documents, please visit our web site at:
http://www.maricopa.gov/aq/divisions/planning_analysis/emissions_inventory/Default.aspx
or call (602) 506-6790.
•
•
•
•
•

Bakeries
Concrete Batch Plants
Fuel Storage and Handling
Incinerators and Crematories
Lg. Aboveground Storage Tanks

•
•
•
•
•

Natural Gas Boilers/Heaters
Polyester Resin
Printing Plants
Roofing Asphalt
Sand and Gravel Plants

•
•
•
•

Using EPA's TANKS 4.09d Program
Vehicle Refinishing
Vehicle Travel on Unpaved Roads
Woodworking

COMMONLY USED CONVERSION FACTORS:
1 gram/liter = 0.00834 lbs/gal
1 foot
= 0.0001894 mile
1 liter
= 0.2642 gallon (US)
1 square foot
= 0.000022957 acre
1 therm
= 0.0000952 MMCF
1 pound
= 0.0005 ton
NOTE:
MM = 1,000,000
Example: MMCF = 1,000,000 cubic feet
M = 1,000
Example: MGAL = 1,000 gallons
ADDITIONAL RESOURCES AND ASSISTANCE:
The Maricopa County Emissions Inventory web site at:
http://www.maricopa.gov/aq/divisions/planning_analysis/emissions_inventory/Default.aspx
contains additional reference materials, such as:
• blank copies of most emissions reporting forms.
• an updated list of emission factors for a large number of industrial processes, including SCC codes.
• a list of Tier Codes for industrial processes.
• detailed help sheets for a number of specific industries or processes.
To receive any of the above materials by fax or mail, or for additional information or assistance in how to
calculate and report your emissions, please call us at (602) 506-6790.

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

V. INSTRUCTIONS AND EXAMPLES FOR COMPLETING EMISSIONS REPORTING FORMS

Business Form

Instructions

Verify all preprinted information, and make corrections where necessary. When making corrections, strike
out the preprinted data and write in corrections beside it. Please make all changes readily noticeable.

NOTE:

Indicating a change in ownership or business location on the Business Form will not serve to
transfer the permit ownership or location. You must contact the MCAQD One Stop Shop at (602) 506-6464
to accomplish this.

Data fields:
6 Number of employees: This should be the annual average number of full-time equivalent (FTE)
employee positions at this business location.
9

NAICS Code: This 5- or 6-digit North American Industrial Classification System (NAICS) code has
been introduced to replace the 4-digit Standard Industrial Classification (SIC) codes. Please list the
primary and secondary NAICS codes for your business, if known. (Consult our website, at:
http://www.maricopa.gov/aq/divisions/planning_analysis/emissions_inventory/Default.aspx, for a link to
a full list of NAICS codes.)

10 Preparer of the Inventory (primary contact for technical questions concerning this report): This should be
the person who knows the most about the data in the report. If this person has an e-mail address used for
business purposes, please provide it.

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

Stack Form

Instructions

A “stack” is defined as a stationary stack, pipe, vent or opening through which a significant percentage of
emissions (from one or more processes) are released into the atmosphere (with or without a control device).

NOTE:

Stack information is required only if your business location annually emits over 10 tons of any one
individual pollutant. If so, you must complete a Stack Form for:
• each stack connected to a control device.
• any stack that discharges annually more than 5 tons of combined pollutant emissions (such as a paint
booth exhaust).
EXAMPLE Stack Form Information:
1

2

Stack
ID

Stack
Type
Code*

3

1

W

30 ft

2

V

14 ft

4

5a OR 5b

6a OR 6b & 6c

7

Stack
Exit Gas
Velocity Flow Rate Diameter Length / Width
Height** Temperature feet/sec
acfm
inside inch
inside inch

* Stack Type Codes:

90
200

o
o

F
F

Stack Name/Description. Include lat/long
coordinates of stack (in decimal degrees)

20,000

36

paint booth Lat: N33. 5276

19,186

40

thermal oxidizer, Bldg. 2

Long: W1 1 2. 2626

Lat: N33. 5259 Long: W1 1 2. 261 1

V = Vertical unobstructed
D = Downward unobstructed
W = Obstructed vertical (e.g. weather cap)

H = Horizontal unobstructed
G = Gooseneck

** Stack height is calculated relative to the surrounding terrain. For instance, the stack height of a 10-foot
stack on top of a 20-foot tall building is 30 feet.
Data fields:
1

Stack ID: (See “Assigning Identification Numbers” on page 6.) A number (up to three digits, numeric
only) which identifies a specific stack. It is suggested you start with 1, then 2, etc.

4

Exit Gas Temperature: Should represent average operating conditions, in degrees Fahrenheit.
DO NOT report “ambient”.

5a Exit Gas Velocity: OR 5b Gas Flow Rate:
Provide EITHER the exit velocity (in feet per second) OR the flow rate of gas (in actual cubic feet per
minute) exiting the stack during normal operations. Preprinted information provides both.
6a Inside Stack Diameter: For round stacks, provide Inside Stack Diameter in inches.
OR
6b & 6c Inside Stack Length and Width: For square or rectangular stacks, provide inside Length and inside
Width in inches.
7

Stack Name/Description and Lat/Long Coordinates: Provide a brief text description of the stack along
with the latitude and longitude coordinates of the stack (in decimal degrees).

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

Control Device Form

Instructions
EXAMPLE Control Device Form Information

1

2

3

4

Control
ID

Installation/
Reconstruction*
Date

5

Size or Rated Capacity**

Control
Type Code

Control Device
Name/Description

1

05/09/98

25,000.0 cfm

021

Thermal oxidizer

4

03/10/97

cfm

153

Watering with water trucks

6
Stack ID

2

Data fields:
1

Control ID: (See “Assigning Identification Numbers” on page 6.) A unique number (up to three digits)
that you assign to identify a specific control device.

2

Installation/Reconstruction Date: The completion date (given in mm/dd/yy format) of installation or the
most recent reconstruction of the identified control device. This is not a date on which routine repair or
maintenance was done. “Reconstruction” means any component of the control device was replaced and
the cost (fixed capital) of the new component(s) was more than half of what it would have cost to
purchase or construct a new control device.

3

Size or Rated Capacity: Report the air or water flow rate in cubic feet per minute. Some devices (e.g.,
water trucks for dust control) will not include a value in this field.

4

Control Type Code: A 3-digit code designating the type of control device. A complete list of all EPA
control device codes can be found on the Web at: http://www.maricopa.gov/aq/divisions/
planning_analysis/emissions inventory/Default.aspx or call (602) 506-6790 for assistance.

6

Stack ID: Not all businesses require a Stack ID. This is required if the Stack Form is used for your site
(see page 9) and the control device is vented through that identified stack. This is the ID number shown
in column 1 of the Stack Form. The Stack ID can be entered on this form after the Stack Form has been
filled out.

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

General Process Form

Instructions

The General Process Form is used to record data on all emissions-producing processes except evaporative
processes. A “general process” is normally characterized by the burning or handling of a material. One
form reports all the pollutants for one process. For example, several pollutants are produced by burning fuel,
and PM10 is emitted by processing rock products, processing materials such as wood or cotton, and driving
on unpaved areas.
Data fields: (See sample forms on pages 13 and 14.)
1 Process ID: A number (up to three digits) that is preprinted or you assign. (See “Assigning Identification
Numbers” on page 6.) This Process ID number can not be used for any other process at this location.
2

Process Type/Description: Brief details on the type of activity that is occurring.

3

Stack ID(s): The stack ID number(s) shown in column 1 of the Stack Form that identify the stack(s)
which vent pollution created by this process. Not all businesses are required to report stacks. This is only
required if the Stack Form is required for your site (see page 9) and the process has a stack.

4
5

Process Tier Code and
SCC Code:

6

Seasonal Throughput Percent: Enter the percent of total annual operating time that occurred per season,
rounded to the nearest percent. For example, “Dec-Feb 30% ” means 30% of total annual activity
occurred in January, February and December 2008. The total for all four seasons must equal 100%.

7
8

Normal Operating Schedule and
Typical Hours of Operation:

9

Emissions Based on: Provide the name of the material used, fuel used, product produced, or whatever
was measured for the purpose of calculating emissions, such as “natural gas”, “hours of operation,”
“vehicle miles traveled,” or “acres.”

If these codes are not preprinted on your form, please consult the
section “Other Resources” on our web site, or call (602) 506-6790.

These reflect the normal daily, weekly, and annual operating
parameters of this process during 2008.

10 Used, Produced or Existing: Indicate whether calculated emissions are based on a material type or fuel
used (an input, such as “paint” or “natural gas”), or an output (such as “sawdust produced” or “finished
product”). Use “Existing” if the parameter reported on line 9 is not directly used or produced in the
process (such as “vehicle miles traveled” or “acres”).
11 Annual Amount: The annual amount (a number) of material that was used, fuel combusted, product
produced, hours of operation, vehicle miles traveled, or acres.
12 Fuel Sulfur Content (in percent): For processes that involve the combustion of oil or diesel fuels, report
the sulfur content of the fuel as a decimal value. Example:
0.05 % (= 500 ppm)
13 Unit of Measure: Units of the material used, fuel used or product produced shown on line 9.
For example: gallons, pounds, tons, therms, acres, vehicle miles traveled, units produced.
14 Unit Conversion Factor: You must provide this if you use an emission factor with an emission factor unit
(see item 17 below) that is not the same as the unit of measure (from line 13). This is the standard
number you would multiply your amount (line 11) by to convert it to the units of the emission factor. See
page 7 for a list of commonly used conversion factors.

Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

General Process Form Instructions (continued)
15 Pollutant: See page 3 for a list of pollutants that need to be reported.
16 Emission Factor (EF): The number to be multiplied by the annual amount (line 11) to determine how
much of the pollutant was emitted. If you calculate your own emission factor or change the preprinted
emission factor, you must provide details of your calculations in an attachment.
17 Emission Factor (EF) Units: Enter the appropriate Emission Factor Units in pounds (lb) per unit; e.g.,
lb/ton, lb/MMCF, lb/gal.
18 Controlled Emission Factor (EF)? YES or NO: Indicate “YES” if: 1) you have your own emission factor
from testing and included the control device efficiency within the factor, or 2) the emission factor used is
clearly identified as a controlled emission factor. A “YES” response requires the use of Formula A (see
#25 below). Indicate “NO” if: 1) there is no emission control device, or 2) the emission factor represents
emission rates before controls. A “NO” response requires the use of Formula B (see #25 below).
19 Calculation Method: Enter the number code (listed at the bottom of the General Process Form) which
best describes the method you used to obtain this emission factor. Code 5, “AP-42/FIRE Method or
Emission Factor” means that the factor comes from EPA documents or software. NOTE: If you have
continuous emissions monitors (CEM) data or conducted a source test that was required and approved by
the County for a specific process or piece of equipment, you must use the emission data from the CEM
or the test results. Report “1” in this column for CEM data or “4” for performance test data.
20 through 24: Leave blank if there is no control device.
20 Capture % Efficiency: The percent of the pollutant that is captured and sent to the primary control
device in this process. Be sure to list capture efficiency separately for each pollutant affected.
21 Primary Control Device ID: If this pollutant is being controlled in this process, enter the Control
Device ID number which represents the first control device affecting the pollutant.
22 Secondary Control Device ID: If this pollutant is being controlled sequentially by 2 devices, enter
the Control Device ID number which represents the second control device; otherwise leave this field
blank.
23 Control Device(s) % Efficiency: Enter the total control efficiency of the control device(s). Be sure to
list control device efficiency separately for each pollutant affected. If you report control device
efficiency, you must also show capture efficiency in column 20.
24 Efficiency Reference Code: Enter the code (1 through 6) that best describes how you determined the
control device efficiency. A list of possible codes is included at the bottom of the form.
25 Estimated Actual Emissions (in pounds/year): You may round the calculated emissions values to the
nearest pound. Calculate as follows:
A. Emissions with no controls or controls are reflected in the emission factor:
Column 25 = line 11 × line 14 × column 16
B. Emissions after control:
Column 25 = line 11 × line 14 × column 16 × (1 – [column 20 × column 23])
Use the decimal equivalent for columns 20 and 23. Example: 96.123% = 0.96123
Maricopa County Emissions Inventory Unit

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Instructions for Reporting 2008 Emissions

General Process Form 2008

Permit number(s)

EXAMPLE: Internal Combustion

V99999

Place an X in any gray cell to mark data requested to be held confidential. See page 5 for requirements for information to be deemed confidential.
1- Process ID
80
2- Process Type/Description:

3 ENGINES FOR CRUSHING (EACH LESS THAN 600 HP)

3- Stack ID(s) (only if required on Stack Form)

________

020599

4- Process TIER Code:
5- SCC Code

_______

20200102

IND:DIESEL-RECIPROCATING

(8 digit number)

6- Seasonal Throughput Percent:

25

Dec-Feb

7- Normal Operating Schedule:

Hours/Day

8- Typical Hours of Operation: (military time)

Start

________
________
________
FUEL COMB. INDUSTRIAL: INTERNAL COMBUSTION

%

8

25

Mar-May
Days/Week

0700

5

End

Jun-Aug

25

Hours/Year

2080

%

 Used (input)

11- Annual Amount:

or
(a number)

Produced (output) or

16,250

CO

NOx
PM-10
SOx
VOC

Emission
Factor (EF)
(number)

130
604
42.5
39.7
49.3

Emission
Factor
Unit (lb per)

M
M
M
M
M

19

Controlled
EF?
Yes or No

Calculation
Method
Code*

N
N
N
N
N

5
5
5
5
5

GALS
GALS
GALS
GALS
GALS

* Calculation Method Codes:
1 = Continuous Emissions Monitoring Measurements
2 = Best Guess / Engineering Judgment
3 = Material Balance
4 = Source Test Measurements (Stack Test)
5 = AP-42 / FIRE Method or Emission Factor

Maricopa County Emissions Inventory Unit

%

52

DIESEL

0.05

%

GALLONS

14- Unit Conversion Factor (if needed to convert Unit of Measure to correlate with emission factor units)

Pollutant

Weeks/Year

12- Fuel Sulfur Content (in percent)

Emission Factor (EF) Information
16
17
18

25

Existing (e.g. VMT, acres)

13- Unit of Measure: (for example: tons, gallons, million cu ft, acres, units produced, etc.)

15

Sep-Nov

1530

9- Emissions based on (name of material or other parameter, e.g. “rock”, “diesel”, “vehicle miles traveled”)
10-

%

Control Device Information
21
22

20
Capture %
Efficiency

0.001

Primary
Control
Device ID

Secondary
Control
Device ID

23

Control
Device(s) %
Efficiency

24
Efficiency
Reference
Code**

25
Estimated Actual
Emissions

2,113
9,815
691
645
801

6 = State or Local Agency Emission Factor
7 = Manufacturer Specifications
8 = Site-Specific Emission Factor
9 = Vendor Emission Factor
10 = Trade Group Emission Factor

13

lbs
lbs
lbs
lbs
lbs

** Control Efficiency Reference Codes:
1 = Tested efficiency / EPA reference method
2 = Tested efficiency / other source test method
3 = Design value from manufacturer
4 = Best guess / engineering estimate
5 = Calculated based on material balance
6 = Estimated, based on a published value

Instructions for Reporting 2008 Emissions

General Process Form 2008

Permit number(s)

EXAMPLE: Unpaved Road Travel

V99999

Place an X in any gray cell to mark data requested to be held confidential. See page 5 for requirements for information to be deemed confidential.
1- Process ID
28
2- Process Type/Description: UNPAVED ROAD TRAVEL: HEAVY-DUTY TRUCKS @ 15 MPH
3- Stack ID(s) (only if required on Stack Form)
4- Process TIER Code:
5- SCC Code

_______

________

140799

30502504

________

6- Seasonal Throughput Percent:

SAND/GRAVEL: HAULING
25

Dec-Feb
Hours/Day

8- Typical Hours of Operation: (military time)

%

8

Days/Week

0700

Start

25

Mar-May

Jun-Aug

25

Hours/Year

2080

%

5

Used (input)

11- Annual Amount:

or

Produced (output)

(a number)

%

Sep-Nov
Weeks/Year

25

%

52

1530

End

9- Emissions based on (name of material or other parameter, e.g. “rock”, “diesel”, “vehicle miles traveled”)
10-

________

MISCELLANEOUS: FUGITIVE DUST
(8 digit number)

7- Normal Operating Schedule:

________

VEHICLE MILES TRAVELED (VMT)

 Existing (e.g. VMT, acres)

or

7,500

%

12- Fuel Sulfur Content (in percent)

VMT

13- Unit of Measure: (for example: tons, gallons, million cu ft, acres, units produced, etc.)

14- Unit Conversion Factor (if needed to convert Unit of Measure to correlate with emission factor units)

15
Pollutant

PM-10

Emission Factor (EF) Information
16
17
18
Emission
Factor (EF)
(number)

3.2

Emission
Factor
Unit (lb per)

19

Control Device Information
21
22
23

20

Controlled
EF?
Yes or No

Calculation
Method
Code*

Capture %
Efficiency

Primary
Control
Device ID

N

6

100

4

VMT

Secondary
Control
Device ID

24

Control
Device(s) %
Efficiency

Efficiency
Reference
Code**

70

6

25
Estimated Actual
Emissions

7200

lbs
lbs
lbs
lbs
lbs
lbs

NOTE: Emissions in col. 25 are calculated as follows:
* Calculation Method Codes:
1 = Continuous Emissions Monitoring Measurements
2 = Best Guess / Engineering Judgment
3 = Material Balance
4 = Source Test Measurements (Stack Test)
5 = AP-42 / FIRE Method or Emission Factor

Maricopa County Emissions Inventory Unit

(line 11 × col. 16) × (1 – [col. 20 × col. 23])

6 = State or Local Agency Emission Factor
7 = Manufacturer Specifications
8 = Site-Specific Emission Factor
9 = Vendor Emission Factor
10 = Trade Group Emission Factor

14

** Control Efficiency Reference Codes
1 = Tested efficiency / EPA reference method
2 = Tested efficiency / other source test method
3 = Design value from manufacturer
4 = Best guess / engineering estimate
5 = Calculated based on material balance
6 = Estimated, based on a published value

Instructions for Reporting 2008 Emissions

Evaporative Process Form

Instructions

The Evaporative Process Form is used to report all emissions produced by evaporation. Examples include:
cleaning with solvents, painting and other coatings, printing, using resin, evaporation of fuels from storage
tanks, ammonia use, etc. All other processes should be shown on the General Process Form.
One Evaporative Process Form may be used to report numerous materials, with each material given a
separate process ID number, as long as the information on lines 1–5 apply to all items on that form. Use a
separate form for each group of materials that has a different Process Type/Description (shown on line 1),
different Tier Code (line 2) or different operating schedule (lines 3, 4, or 5).
Data fields: (See sample forms on pages 17 and 18.)
1 Process Type/Description: Brief details of the activity in which the listed materials were used.
2

Process Tier Code: If this 6-digit code is not preprinted on your form, please refer to the Tier Code list
at: http://www.maricopa.gov/aq/divisions/planning_analysis/emissions_inventory/Default.aspx
or call (602) 506-6790.

3

Seasonal Throughput Percent: Enter the percent of total annual operating time that occurred per season
(rounded to the nearest percent). For example, “Dec-Feb 30% ” means 30% of the total annual activity
occurred during January, February and December 2008. The total for all four seasons must equal 100%.

4
5

Normal Operating Schedule and
Typical Hours of Operation:

6

Process ID: A number (up to three digits) that represents this specific material (process). Each process
on one form must have the same tier code and operating schedule as that shown in the top portion of the
form. This Process ID number can not be used for any other process at this business location. See page
6 of these instructions for more explanation of ID numbers and for exclusions and guidance on grouping
materials.

7

Stack ID(s): The stack ID number(s) shown in column 1 of the Stack Form that identify the stack(s)
which vent pollution created by this process. Not all businesses are required to report stacks. This is only
required if the Stack Form is required for your site (see page 9) and the process has a stack.

8

Material Type: Provide the name of the material used in this process. Give the chemical name for pure
chemicals or a name that reflects its use (paint, ink, etc.), rather than just a brand name or code number.
Examples of materials include: paint, thinner, degreasing solvent (plus its common name), ink, fountain
solution, ammonia, alcohol, ETO (ethylene oxide), gasoline (in a storage tank).

9

Annual Material Usage/Input: Amount of this material used during the year. In most cases, the amount
purchased is suitable. Write in “lbs” or “gal” (pounds or gallons).

These represent the usual number of hours, time of day and weeks
per year when this process occurred during the calendar year.

10 Pollutant: The only pollutants reported on this form are VOC, HAP&NON and NHX (see definitions on
page 3). When one process (or material) has more than one of these pollutants, list each pollutant on a
separate line, using the same process ID number.

Maricopa County Emissions Inventory Unit

15

Instructions for Reporting 2008 Emissions

Evaporative Process Form (continued)
11 Emission Factor (EF): An emission factor is a number used to calculate the pounds of pollutant emitted
based on the quantity of material used in a process. Emission factors can be obtained from your supplier
(usually provided on a Material Safety Data Sheet or environmental data sheet), and must correspond
with the material units reported in column 9. If the material unit is “gal,” then the emission factor must
be in pounds of pollutant per gallon. If the material unit is “lb,” then the emission factor must be in
pounds of pollutant per pound of material.
Verify (and correct, where necessary) all preprinted emission factors, as the composition of materials
used may have changed since your last report. A “lb/gal” emission factor is almost always less than 8 and
never greater than 14. A “lb/lb” emission factor is never larger than 1.0.
12 Pounds of pollutant sent off-site: Required only if you wish to take credit for reduced emissions because
waste of this material is sent off-site for recycling or disposal. Only waste generated during the report
year may be claimed. The Off-Site Recycling/Disposal Form must be completed if you wish to claim a
credit. The number of pounds reported in column 12 must equal the number of pounds reported on the
Off-Site Recycling/Disposal Form(s) for the same Process ID number.
13 and 14: Leave these fields blank if there is no control device present.
13 Capture % Efficiency: The percent of the pollutant from this process that is captured and sent to the
control device.
14 Control ID: If this pollutant is being controlled in this process, enter the Control Device ID number
from column 1 of the Control Device Form.
Control % Efficiency: Enter the percent of this pollutant that is controlled by this control device.
Code: Select the Control Efficiency Reference Code from the list at the bottom of the form.
15 Estimated Emissions (lbs/yr): Estimated pounds of the pollutant emitted during the year, after off-site
recycling/disposal and controls if applicable. Credit will not be given for off-site recycling/disposal
unless it is shown on the Off-Site Recycling/Disposal Form. Round to the nearest pound. If the
answer is 0, give a decimal answer to the first significant digit. Column 15 is calculated as follows:
Emissions without off-site recycling/disposal or controls:
Column 15 = column 9 × column 11
Emissions with off-site recycling/disposal:
Column 15 = (column 9 × column 11) – column 12
Emissions with off-site recycling/disposal and controls:
Column 15 = ([column 9 × column 11] – column 12) × (1 – [column 13 × column 14])
Use the decimal equivalent for columns 13 and 14. Example: 96.123% = 0.96123

Maricopa County Emissions Inventory Unit

16

Instructions for Reporting 2008 Emissions

EXAMPLE: Coating and Painting
Evaporative Process Form 2008

Permit number(s)

V99999

Place an X in any gray cell to mark data requested to be held confidential. See page 5 for requirements for information to be deemed confidential.
1- Process Type/Description:
2- Process TIER Code:

Coating metal parts

080415

3- Seasonal Throughput Percent:
4- Normal Operating Schedule:
5- Typical Hours of Operation

SOLVENT USE: SURFACE COATING - MISC METAL PARTS
Dec-Feb

Hours/Day

25

%

8

Days/Week

(military time)

6

7

8

Process
ID

Stack
ID(s)

Material Type

800

1

801

1

802

1

803

1

804

1

Start

9
Annual
Usage
Input

%

25

5

Hours/Year
End

0800

Jun-Aug

25

2080

%

Sep-Nov

25

%

Weeks/Year 52

1700

10

11
EF
Units
(lbs per)

12

13
Capture
Efficiency
%

14
Control
ID

15

VOC,
HAP&NON
or
NHx

95

gl

VOC

4.7

gal

%

%

447

120

gl

VOC

7.1

gal

%

%

852

940

gl

VOC

4.2

gal

%

%

3,948

707

gl

VOC

7.0

gal

%

%

4,949

20,200

lb

VOC

0.001

lb

%

%

%

%

Paint red
4039-03
paint thinner

Emission
Factor

Pounds of
pollutant*
sent
off site

lb
or
gal

Lacquer
6455-06
lacq thinner

powder paint
8730-11

Mar-May

Control
Efficiency
%

Control
Efficiency
Code**

Estimated
Emissions
(lbs/yr)

20

Note: Do NOT change preprinted Process ID numbers. See page 6 of these instructions for information on how to delete materials that are no longer used, or to assign Process
ID numbers for new materials.

* If you have off-site recycling/disposal of any of the materials listed above, you must complete an Off-site Recycling/Disposal Form to receive
credit for reduced emissions.
NOTE: Emissions in col. 15 are calculated as follows:
** Control Efficiency Reference Codes
1 = Tested efficiency / EPA reference method
4 = Best guess / engineering estimate

Maricopa County Emissions Inventory Unit

([col. 9 × col. 11] – col. 12) × (1 – [col. 13 × col. 14])

2 = Tested efficiency / other source test method
5 = Calculated based on material balance

17

3 = Design value from manufacturer
6 = Estimated, based on a published value.

Instructions for Reporting 2008 Emissions

EXAMPLE: Cleaning solvent (with recycling)
Evaporative Process Form 2008

Permit number(s)

V99999

Place an X in any gray cell to mark data requested to be held confidential. See page 5 for requirements for information to be deemed confidential.
1- Process Type/Description:
2- Process TIER Code:

CLEANING METAL PARTS

080103

3- Seasonal Throughput Percent:

Dec-Feb

4- Normal Operating Schedule:
5- Typical Hours of Operation

SOLVENT USE: DEGREASING - COLD CLEANING

Hours/Day

25

%

8

Days/Week

(military time)

6

7

8

Process
ID

Stack
ID(s)

Material Type

3

2

Mar-May

Start

9

%

25

Hours/Year

5

End

1300

Jun-Aug
2080

25

%

Sep-Nov

25

%

Weeks/Year 52

1700

10

11
EF
Units
(lbs per)

12

13
Capture
Efficiency
%

14

VOC,
HAP&NON
or
NHx

SANITIZER

716

lb

VOC

1.0

lb

6

GUN CLEANER

180

gl

VOC

7.2

gl

569

%

%

727

7

XYZ STRIPPER

1300

gl

VOC

3.3

gl

1,884

%

%

2,406

8

CLEANING
SOLVENTS
MEGASOLVE

358

gl

VOC

6.4

gl

1,006

%

%

1,285

2258

gl

VOC

6.8

gl

6,741

%

%

8,613

%

%

95 %

Control
ID

15

lb
or
gal

9

Emission
Factor

Pounds of
pollutant*
sent
off site

Annual Usage
Input

1

Control
Efficienc
y
%

80 %

Control
Efficiency
Code**

Estimated
Emissions
(lbs/yr)

3

172

Note: Do NOT change preprinted Process ID numbers. See page 6 of these instructions for information on how to delete materials that are no longer used, or to assign Process
ID numbers for new materials.

* If you have off-site recycling/disposal of any of the materials listed above, you must complete an Off-site Recycling/Disposal Form to receive
credit for reduced emissions.
NOTE:

This example shows the case where 2,400 of the original 4,096 gallons of materials #6 through 9 were captured
for off-site recycling, and the pollutant content of the waste material was estimated to be 75% of the
original. The pounds of pollutant sent off-site shown in column 12 is calculated on the example Off-Site
Recycling/Disposal Form on the next page.

Maricopa County Emissions Inventory Unit

18

Instructions for Reporting 2008 Emissions

EXAMPLE
Off-Site Recycling/Disposal Form 2008

Permit number(s)

V99999

NOTE: If you need blank copies of this form, call the Emissions Inventory Unit at
(602) 506-6790 or consult our web page at
http://www.maricopa.gov/aq/divisions/planning_analysis/emissions_inventory/Default.aspx
Provide one off-site recycling/disposal form for each waste stream at your business location. A waste stream is the waste from one
or more processes mixed together to make one waste product before it is taken off site for recycling, disposal or combustion.
1) Assign a unique two-digit ID number to identify the waste stream that will be described below.
01
(Start with ID# 01 for first waste stream. Make copies of a blank Off-Site Recycling/Disposal form and use 02 for second,
etc.)
Check one

2,400

pounds
gallons

2) What was the quantity of this waste stream in 2008?
Indicate whether this quantity is reported in pounds or gallons. Keep waste disposal company manifests as proof that this
amount of waste was taken off-site.
3) What was the average pollutant content of the waste stream? NOTE: Report in the same units (pounds or gallons) as used
in line 2.
VOC

4.25

lbs/unit

HAP&NON

lbs/ unit NHx

lbs/ unit

NOTE: Waste normally has less pollutant content than the new product. Some of the
pollutant evaporates during the use of the product, and there is usually dirt, water or
other contaminants in the waste stream. The estimated pollutant content of the waste is
usually between 50% and 95% of the new product. This example estimates an average VOC
content (on line 3) to be 75% of the original VOC content of 5.67 lbs/gal., to account
for evaporation and contaminants. See page 20 to calculate a weighted average.
4) Calculate the total annual pollutant content of the waste in this waste stream.
(volume of waste, from Line 2) × (pollutant content, from Line 3) = Total pollutants in waste stream, in lbs/yr.
VOC

10,200

lbs/yr HAP&NON

lbs/yr

NHx

lbs/yr

5) List the process ID numbers of the processes contributing to this waste stream. Also estimate the pounds of pollutant
that each process contributed to this waste stream.
NOTE: In this example, the amount each process material contributed to total pollutants
in the waste stream (Line 4) is based on the percentage, by weight, of each material
that contributed to the waste stream (e.g., Process ID #6 contributed 5.6%, therefore
5.6% × 10,200 lbs/yr = 569 lbs. See example on page 20).
NOTE: Column totals in the table below must equal the total for each pollutant type reported on line 4. The quantities
you report below for each pollutant and process must also be reported in column 12 on the Evaporative Process Form.
Process ID
6 Contributed about
7 Contributed about
8 Contributed about
9 Contributed about

Annual VOC (lbs)
569
1,884
1,006
6,741

Maricopa County Emissions Inventory Unit

Annual
HAP&NON (lbs)
lbs
lbs
lbs
lbs

19

Annual NHx (lbs)
lbs
lbs
lbs
lbs

lbs
lbs
lbs
lbs

Instructions for Reporting 2008 Emissions

EXAMPLE: Documentation of Emission Factor Calculations
Identify the process ID number(s) and pollutant(s). Show calculations made to obtain the emission factors used
for the process(es). Include references to data sources used, including the document name, date published, page
numbers, etc.

Emission Factor Calculation
Process ID

Permit number

201

V99999

Emission factors derived from source test performed 12/2/00 by XYZ Engineering
Company (copy of summary tables also attached).
Outlet (after controls):
CO
= 0.43 lb/hr × 1 hr/60 min × 1 min/77.9 cu. ft × 1,000,000 cu. ft/MMCF
= 92.0 lb/MMCF
= 0.09 lb/hr × 1 hr/60 min × 1 min/77.9 cu. ft × 1,000,000 cu. ft/MMCF
= 19.3 lb/MMCF

NOx

Weighted average sample calculation
NOTE: The example below shows how the weighted average of the materials going into the
waste stream is calculated. A weighted-average emission factor has been calculated
by listing usage amounts and emission factors for each material, summing each
column, and then dividing the total emissions by the total gallons used.
In this example: 23,231 lbs ÷ 4,096 gal = 5.67 lb/gal average VOC content. This
emission factor is then used to calculate the average pollutant content in the Offsite Recycling / Disposal Form example.
This process can also be used to find the weighted average emission factor for
similar materials if you are reporting them together as a single line item on the
Evaporative Process form. Refer to the explanation of “grouping” on page 6.

Process
ID #
6
7
8
9

2008
Usage

Material Type
gun cleaner
xyz stripper
cleaning solvent
MEGASOLVE
Totals:

Units

180
1,300
358
2,258

gal
gal
gal
gal
gal

VOC
(lbs/unit)

VOC Emissions
(= Usage × VOC
content)
1,296 lbs.
4,290 lbs.
2,291 lbs.
15,354 lbs.
23,231 lbs.

7.2
3.3
6.4
6.8

Percent contributed
to waste stream

5.6 %
18.5
9.9
66.1
100.0

%
%
%
%

4,096
Average
VOC content:

Maricopa County Emissions Inventory Unit

23,231 lbs.
4,096 gals

20

=

5.67
lb/gal

Instructions for Reporting 2008 Emissions

EXAMPLE (for all sources except Title V sources)
Data Certification Form 2008

Permit number

999999

For EACH pollutant listed, total up all emissions recorded on your General Process and Evaporative Process Forms. Enter these
numbers in column 1, “Totals from Process Forms.” Report any emissions from accidental releases in column 2.
Add the figures in each row across, and enter the result in column 3, “Total Emissions”.
NOTE: “Accidental Releases” reported in column 2 should include all excess emissions
reported to the Department under Rule 140, Section 500.
(1)
Totals from
Process Forms

Summary of 2008 Annual Emissions:

2,113
0
0
0
24,220
9,815
645
7,891

CO
NHx
Lead
HAP&NON
VOC
NOx
SOx
PM10

(2)
+ Accidental
Releases

0
0
0
0
0
0
0
0

(3)
= TOTAL
2008 Emissions

2,113
0
0
0
24,220
9,815
645
7,891

NOTE: Review specific requirements for data confidentiality on page 5. We cannot hold
any data confidential without the required documentation.

TO COMPLETE YOUR EMISSIONS INVENTORY REPORT:
-

Complete the Confidentiality Statement below.
Sign and date this form below where indicated.
Send the original copy of your completed forms to: Maricopa County Air Quality Department, One Stop Shop,
Emissions Inventory Intake, 501 N. 44th Street, Suite 200, Phoenix, AZ 85008-6538. Keep a copy of all forms for your records.

CONFIDENTIALITY STATEMENT:
This annual emissions report contains requests to keep some data confidential.
YES
NO
If you check “YES”, you must submit documentation and meet certain requirements before your data can be deemed confidential.
See enclosed instructions for further details.
NOTE: The Data Certification form must be signed by a responsible company official.
CERTIFICATION STATEMENT:
I declare under penalty of perjury that the data (e.g. inputs, emission factors, controls, and annual emissions) presented herein
represents the best available information and is true, accurate and complete to the best of my knowledge.

___________________________________________________________________________________________________________
Signature of owner/business officer
Date of signature
Telephone number
___________________________________________________________________________________________________________
Type or print full name of owner/business officer
Type or print full title

Maricopa County Emissions Inventory Unit

21

Instructions for Reporting 2008 Emissions

How to calculate an emission fee (for Title V sources only):
1. For each pollutant listed on the “Data Certification/Fee Calculation” form, total up all emissions
recorded on your General Process and Evaporative Process Forms. Enter these numbers in column 1,
“Totals from Process Forms.”
NOTE: While most processes that generate PM10 should be reported on line 5 of the Data Certification/Fee
Calculation form, “[f]ugitive emissions of PM10 from activities other than crushing, belt transfers, screening,
or stacking” (County Rule 280, § 305.2d) are NOT subject to annual emission fees. The most common
occurrences of these PM10-producing activities that are NON-billable are listed below:
SCC codes and description of PM10-producing processes that are NOT subject to emission fees
SCC
30200814
30400737
30500120
30500121
30500134
30500135
30500141
30500143
30500203
30500212
30500213
30500290
30500303
30500608
30500708
30501710
30502007
30502011
30502504
30502507
30502760
30531090
30532007
30704002
31100199
31100299
50100401
50100402
50100403
50100404
50100405

Major Category Subcategory

Facility / Process Type

Process Description

Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Industrial Processes
Waste Disposal
Waste Disposal
Waste Disposal
Waste Disposal
Waste Disposal

Feed Manufacture
Steel Foundries
Asphalt Roofing Manufacture
Asphalt Roofing Manufacture
Asphalt Roofing Manufacture
Asphalt Roofing Manufacture
Asphalt Roofing Manufacture
Asphalt Roofing Manufacture
Asphalt Concrete
Asphalt Concrete
Asphalt Concrete
Asphalt Concrete
Brick Manufacture
Cement Manufacturing (Dry Process)
Cement Manufacturing (Wet Process)
Mineral Wool
Stone Quarrying - Processing
Stone Quarrying - Processing
Construction Sand and Gravel
Construction Sand and Gravel
Industrial Sand and Gravel
Coal Mining, Cleaning, Material Handling
Stone Quarrying - Processing
Bulk Handling and Storage - Wood/Bark
Construction: Building Contractors
Demolitions/Special Trade Contracts
Landfill Dump
Landfill Dump
Landfill Dump
Landfill Dump
Landfill Dump

Storage
Raw Material Silo
Storage Bins: Ferric Chloride
Storage Bins: Mineral Stabilizer
Blown Saturant Storage
Blown Coating Storage
Granules Storage
Mineral Dust Storage
Storage Piles
Heated Asphalt Storage Tanks
Storage Silo
Haul Roads: General
Storage of Raw Materials
Raw Material Piles
Raw Material Piles
Storage of Oils and Binders
Open Storage
Hauling
Hauling
Storage Piles
Sand Handling, Transfer, & Storage
Haul Roads: General
Open Storage
Stockpiles
Other Not Classified
Other Construction/Demolition
Unpaved Road Traffic
Fugitive Emissions
Area Method
Trench Method
Ramp Method

Food and Agriculture
Secondary Metal Production
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Mineral Products
Pulp and Paper & Wood Pdts.
Building Construction
Building Construction
Solid Waste Disposal
Solid Waste Disposal
Solid Waste Disposal
Solid Waste Disposal
Solid Waste Disposal

2. Report any accidental releases in column 2. Add columns 1 and 2 together for each pollutant, and enter
the sum in column 3. Sum lines 1 through 5 together, and enter the total on line 6.
3. Divide your facility's total billable emissions (on line 6) by 2000 to convert pounds into tons. Round to
the nearest ton. Enter this value on line 7. Multiply this number by $38.25, and enter the result on line
8. This is your 2008 emission fee.

Maricopa County Emissions Inventory Unit

22

Instructions for Reporting 2008 Emissions

EXAMPLE (for Title V sources only)
Data Certification/Fee Calculation Form 2008

Permit number

V99999

For EACH pollutant listed, total up all emissions recorded on your General Process and Evaporative Process Forms. Enter these
numbers in column 1, “Totals from Process Forms.” Report any emissions from accidental releases in column 2.
Add the figures in each row across, and enter the result in column 3, “Total Emissions”.
Carefully follow the instructions on lines 6 through 8 to calculate any emission fee owed.
NOTE: “Accidental Releases” reported in column 2 should include all excess emissions
reported to the Department under Rule 140, Section 500.
(1)
Totals from
Process Forms

Summary of 2008 Annual Emissions:

2,113
0
0
7,200

CO
NHx
Lead
PM10 (non-billable; see page 22)

(2)
+ Accidental
Releases

(3)
= TOTAL
2008 Emissions

0
0
0
0

2,113
0
0
7,200

Emissions fees are based on your emissions of the following pollutants ONLY:
1
2
3
4
5
6
7

8

0
24,220
9,815
645
691

HAP&NON
VOC
NOx
SOx
PM10 (billable; see page 22)

0
0
0
0
0

0
24,220
9,815
645
691
35,371

Add “TOTAL” column from lines 1 through 5 ONLY:

Divide the total on line 6 by 2000 (pounds per ton) to get tons, and round the number to the
nearest ton. (Drop any decimal of .499 or less. Increase to the next whole number any
decimal of .500 or more.) Enter the resulting WHOLE NUMBER here.
Multiply line 7 (a WHOLE number) by $ 38.25.
This is your 2008 ANNUAL EMISSION FEE.

18

$

lbs.

TONS

688.50

NOTE: Review specific requirements for data confidentiality on page 5. We cannot hold
any data confidential without the required documentation.

TO COMPLETE YOUR EMISSIONS INVENTORY REPORT:
-

Include a check (made payable to Maricopa County Air Quality Department) for the amount calculated on line 8 above.
Complete the Confidentiality Statement below.
Sign and date this form below where indicated.
Send the original copy of your completed forms, along with any emission fee due to: Maricopa County Air Quality Department,
One Stop Shop, Emissions Inventory Intake, 501 N. 44th Street, Suite 200, Phoenix, AZ 85008-6538. Keep a copy of all forms
for your records.

CONFIDENTIALITY STATEMENT:
This annual emissions report contains requests to keep some data confidential.
YES
NO
If you check “YES”, you must submit documentation and meet certain requirements before your data can be deemed confidential.
See enclosed instructions for further details.
NOTE: The Data Certification form must be signed by a responsible company official.
CERTIFICATION STATEMENT:
I declare under penalty of perjury that the data (e.g. inputs, emission factors, controls, and annual emissions) presented herein
represents the best available information and is true, accurate and complete to the best of my knowledge.
___________________________________________________________________________________________________________
Signature of owner/business officer
Date of signature
Telephone number
___________________________________________________________________________________________________________
Type or print full name of owner/business officer
Type or print full title

Maricopa County Emissions Inventory Unit

23

Instructions for Reporting 2008 Emissions

Appendix 2. Calculating Rule Effectiveness (RE) Studies for Controlled
Title V and Non-Title V Point Source Processes
A2.1 Introduction
Rule effectiveness (RE) studies are designed to assess the success of regulatory rules at controlling their targeted emissions. It is acknowledged that facilities and source categories subject to
control techniques and devices mandated by rules do not always achieve 100% compliance with
those requirements. Given this reality, the US EPA recommends the use of rule effectiveness
studies to improve the quality of emission estimates presented in emission inventories.
Once an RE rate has been calculated, its value is applied to relevant sources at an individual
process level, thus adjusting (i.e., increasing) emission estimates to reflect a lower degree of
control efficiency. The formulas below illustrate how inclusion of rule effectiveness can
significantly affect the resulting emission estimates:
Emissions before the application of rule effectiveness:
Uncontrolled Emissions × [1 – (Control Efficiency)] = Emissions with Control
100 tons

×

[ 1 – (0.90) ]

= 10.0 tons

Emissions including the application of rule effectiveness:
Uncontrolled Emissions × [1 – (Control Efficiency × RE)]
100 tons

×

[ 1 – (0.90 × 0.83) ]

= Emissions with Control
= 25.3 tons

In general, the RE rate is applied to all processes where a control device or control technique is
in use. There are however some limitations to this blanket rule, as expressed in US EPA’s most
recent guidance:
…not all emission estimates involving use of a control device or technique need to
be adjusted to account for RE…For example, a state or local agency may conclude that a control device that operates in conjunction with a continuous emissions monitor, or is equipped with an automatic shutdown device, may provide a
sufficient level of assurance that intended emission reductions will be achieved,
and therefore an adjustment for rule effectiveness is not necessary. Another
example would be in instances where a direct determination of emissions, such as
via a mass balance calculation, can be made. (US EPA, 2005)
Another complication in any attempt to apply a blanket RE percentage rate occurs where control
device efficiencies are extremely high. Some categories of control devices routinely operate at
efficiencies of 99% or greater (e.g., baghouses, thermal oxidizers). For these activities, even
small adjustments through the application of RE can cause a dramatic increase in reported
emissions. As an example, a process with a control device of 99.9% efficiency may report
controlled emissions of 10 tons. If an RE rate of 85% were applied to this process, the adjusted
emissions would total 1,508.5 tons (an increase of nearly 15,000%). In these types of instances,
the department evaluated the affected processes on a case-by-case basis to determine the
appropriateness of applying an RE adjustment.

2008 Maricopa Co. CO Emission Inventory

A2–1

Nov. 2012

A2.2 Calculating Rule Effectiveness Rates for Title V Facilities and Non-Title V Facilities
The observed compliance rate in some cases, such as multi-source Title V and non-Title V
facilities, can be better described as a rate at which inspection staff issue violations. Inspection
staff has a range of experience and training which influences their proficiency in issuing appropriate violations. There may be instances when a rule violation goes unnoticed by staff, or
conversely a violation may be issued in error. Even when a compliance rate has a high statistical
measure of accuracy, it can fail to reflect a number of programmatic measures that affect overall
rule effectiveness; measures like the strength of rule language, departmental enforcement and
penalty actions, inspector training programs, educational and public outreach efforts, etc. This
reality is reflected in earlier US EPA guidance:
A percentage effectiveness rating is not enough to describe the compliance effectiveness of a rule for a source category. An SSCD [Stationary Source Compliance
Division] study should attempt to link the rating to a regulatory agency’s overall
effort. The study should address the factors that affect the percentage effectiveness rating such as the compliance rate of the sources in a category, inspection
frequency and thoroughness, the language of the rule (i.e., whether or not it has
loopholes), and the reporting and recordkeeping by the regulatory agency.
Evaluating these factors will provide a more complete evaluation of the effectiveness of a rule. (US EPA, 1994)
In order to incorporate all the salient factors described above, a matrix was created to produce a
final RE rate. US EPA’s latest guidance (2005) provides a listing of factors that can impact rule
effectiveness rates (e.g., inspector training, frequency of inspections, media outreach, enforcement policies, recordkeeping requirements, etc.), grouped into major categories such as most
important factors, important factors and other factors. The department used these suggested
factors as the basis for developing the RE matrices contained in Tables A2–2 and A2–3.
In brief, the compliance rate developed from inspection data accounts for 70% of the overall RE
rate, while all other factors account for the remaining 30%. Each factor is scored individually,
based upon the department’s success in implementing that factor. As an example, the score for
the factor “Compliance History” is the compliance rate developed from the study period
inspection data, while the score for “Enforcement Penalties” is based upon the department’s
timely response to, and settlement of, observed violations associated with the subject rule or
source category. The complete matrices for each applicable rule or source category for which
rule effectiveness was addressed, are contained in Tables A2–2 and A2–3.
The following sections describe in further detail the data and methods used in the development
of the remaining RE factors for Title V and non-Title V permitted facilities; results are
summarized in Table A2–1 below.
Table A2–1. Compliance and rule effectiveness rates, by source category analyzed.
Source Category
Compliance Rate
Rule Effectiveness (RE) Rate
Title V Facilities
89.14% *
90.94%
Non-Title V Facilities
81.00% *
84.27%
* Compliance rates for both Title V and Non-Title V facilities are based upon 2008-2009 inspection data, and
reflect compliance self-monitoring recordkeeping practice, in addition to violation data.

2008 Maricopa Co. CO Emission Inventory

A2–2

Nov. 2012

For the emission processes that include a control device or technique that limits carbon
monoxide, separate multi-rule RE rates have been calculated for permitted Title V and non-Title
V facilities. Factor-based matrices have been utilized to develop RE rates for Title V and nonTitle V facilities. Compliance rates for these sources are based upon two full years of data (2008
through 2009), as compliance information for these sources tends to be detailed (as reflected in
the matrix). The compliance rate for these facilities also includes data on self-monitoring
recordkeeping practices in addition to inspection data. The combination of monitoring data and
inspection data comprise the ‘compliance rate’ section of the RE calculation matrix, and still
account for 70% of the overall RE rate. The combined compliance rate for Title V facilities is
89.14% and 81.00% for non-Title V facilities, resulting in RE rates of 90.94% and 84.27% for
Title V and non-Title V facilities, respectively, as shown in Tables A2–2 and A2–3 below.

A2.3 References
US EPA, 1994. Rule Effectiveness Guidance: Integration of Inventory, Compliance and
Assessment Applications. EPA Rep. 452/R-94-001, January 1994.
US EPA, 2005. Emissions Inventory Guidance for Implementation of Ozone and Particulate
Matter National Ambient Air Quality Standards (NAAQS) and Regional Haze Regulations.
EPA Rep. 454/R-05-001, November 2005.

2008 Maricopa Co. CO Emission Inventory

A2–3

Nov. 2012

Table A2–2. Rule Effectiveness Matrix for Title V Facilities
A. Most important factors (2 criteria, each assigned weighting of 35% of total):
Factor

Range

Midpt.
value

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%
< 70%

75%
35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Monitoring

Compliance
History

Description
Source specific monitoring used for compliance
purposes, and monitoring records filed with
regulatory agency at least every 4 months.
Source specific monitoring used as an indicator of
compliance, and monitoring records filed with
regulatory agency every 6 to 9 months.
Source specific monitoring used as an indicator of
compliance, and monitoring records filed with
regulatory agency each year.
General guidance exists for source specific
enhanced monitoring, and monitoring records
required but aren’t submitted to regulatory agency.
No requirements for any type of monitoring.
The facility has been in compliance for the past
eight quarters.
The facility is believed to have been in compliance
for the past eight quarters, although inspection
frequency is such that this can’t be positively
confirmed.
On schedule; the facility is meeting its compliance
schedule.
In Violation; facility is in violation of emissions
and/or procedural requirements.
High Priority Violator (HPV): the facility is in
significant violation of one or more applicable
requirement of the CAA.

Weight

Value
Score
assigned to (= weight ×
MCAQD
value)

35%

90%

31.5%

10 of 19
facilities

17.9%

8 of 19
facilities

12.4%

1 of 19
facilities
Sum:

0.6%
30.9%

35%

B. Other important factors (4 criteria, each assigned weighting of 3% of total):

Type of
Inspection

Operation &
Maintenance

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%
< 70%

75%
35%

Inspections involve compliance test methods with
a high degree of accuracy, such as stack testing or
other types of precise emissions measurement.
Inspections involve detailed review of process
parameters & inspection of control equipment.
Inspections involve review of process and
inspection of control equipment.
Inspections generally consist of only a records
review.
Inspections most likely consist of visual inspection
(e.g., opacity), or drive by.
Control equipment operators follow and sign daily
O&M instructions.
Control equipment operators follow daily O&M
instructions.
Control equipment operators follow daily or
weekly O&M instructions.
O&M requirements exist, but on no specific
schedule.
No specific O&M requirements.

2008 Maricopa Co. CO Emission Inventory

A2–4

3%

97%

2.9%

3%

90%

2.7%

Nov. 2012

Factor

Unannounced
Inspections

Range
94%
100%
87%
93%
81%
86%
70%
80%
< 70%

Midpt.
value
97%
90%
84%
75%
35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Enforcement
Penalties

Description
Routinely conducted.
Sometimes done.
Done, but infrequently.
Rarely done.
Never done.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency does not have sufficient authority to
impose punitive measures towards violators.

Weight
3%

Value
Score
assigned to (= weight ×
MCAQD
value)
97%
2.9%

3%

97%

2.91%

2%

97%

1.94%

2%

97%

1.94%

2%

97%

1.94%

C. Other factors (9 criteria, each assigned weighting of 2% of total):

Compliance
Certifications

Inspection
Frequency

EPA HPV
Enforcement

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

94%

100%

97%

87%

93%

90%

81%
70%

86%
80%
< 70%

84%
75%
35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Source subject to Title V or other type of compliance certification.
Source subject to Title V or other type of compliance certification.
Source not subject to any type of compliance certification.
Source not subject to any type of compliance certification.
Source not subject to any type of compliance certification.
Source(s) are inspected once every 2 years or more
frequently.
Source(s) are inspected once every 3 years or more
frequently.
Source(s) are inspected once every 5 years or more
frequently.
Inspection of source(s) infrequent; > every 5 years.
Inspections rarely, if ever, performed.
Agency has sufficient resources to implement
EPA’s 12/22/98 HPV policy.
Agency’s resources allow it to implement EPA’s
12/22/98 HPV policy in most instances.
Agency’s resources allow it to implement EPA’s
12/22/98 HPV policy in most instances.
Agency’s resources allow it to implement EPA’s
12/22/98 HPV policy more often than not.
Resource constraints prohibit agency from
implementing EPA’s 12/22/98 HPV policy in most
instances.

2008 Maricopa Co. CO Emission Inventory

A2–5

Nov. 2012

Factor

Operator
Training

Media
Publicity

Range

Midpt.
value

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

0.8

75%

< 70%

35%

Description
Control equipment operators complete a formal
training program on use of the equipment, and
such program is kept up to date and has been
reviewed by the regulatory agency.
Control equipment operators complete formal
training program, and such program is kept up to
date and available for review by the regulatory
agency upon request.
Control equipment operators complete some
amount of formal training.
Control equipment operators receive only on the
job training.
Control equipment operators receive no specific
training.

100%
93%
86%
80%
< 70%

97%
90%
84%
75%
35%

Media publicity of enforcement actions.
Media publicity of enforcement actions.
Media publicity of enforcement actions.
Media publicity of enforcement actions.
No media publicity of enforcement actions.

94%
87%
81%
70%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Regulatory
Workshops

94%

Inspector
Training

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Regulatory workshops are available annually,
and/or the implementing agency mails regulatory
information packages each year.
Regulatory workshops are available every 1-2
years, and/or the implementing agency mails
regulatory information packages every 1-2 years.
Regulatory workshops are available every 2-3
years, and/or the implementing agency mails
regulatory information packages once every 2-3
years.
Regulatory workshop not routinely available, but
implementing agency mails regulatory information
packages out about once every 2-3 years.
Regulatory workshops not routinely available.
Implementing agency mails regulatory information
packages infrequently, if ever.
Inspectors must undergo 2 weeks of comprehensive basic training, and 1 to 2 weeks of source
specific training, and such training is updated each
year.
Inspectors must undergo 1 to 2 weeks of basic
training and 1 week of source specific training and
such training is updated every 1-2 years.
Inspectors must undergo 1 to 2 weeks of basic
training and 3 to 5 days of source specific training,
and such training is updated every 1-2 years.
Inspectors must undergo 1 to 2 weeks of basic
training and 1 to 3 days of source specific training,
and such training is updated every 1-2 years.
Inspectors must undergo less than 5 days of basic
training less than 3 days of source specific
training, and such training is updated only every 2
years or less frequently.

2008 Maricopa Co. CO Emission Inventory

A2–6

Weight

Value
Score
assigned to (= weight ×
MCAQD
value)

2%

84%

1.68%

2%

97%

1.94%

2%

97%

1.94%

2%

90%

1.80%

Nov. 2012

Factor

Range
94%

Testing
Guidelines

Follow-up
Inspections

Midpt.
value

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Description
Specific guidelines and schedule for testing and
test methods exist.
Specific guidelines on testing and test methods
exist, but no schedule for testing.
Specific guidelines on testing and test methods
exist, but no schedule for testing.
Specific guidelines on testing and test methods,
but no schedule for testing.
Only general guidance on testing, or no mention of
testing requirements.
Follow-up inspections always or almost always
conducted (90 % of the time or more).
Follow-up inspections usually conducted
(approximately 75% of the time).
Follow-up inspections sometimes conducted
(approximately 50% of the time).
Follow-up inspections infrequently conducted
(approximately 25% of the time).
Follow-up inspections rarely or never conducted
(10% of the time or less).

Weight

Value
Score
assigned to (= weight ×
MCAQD
value)

2%

97%

1.94%

2%

97%

1.94%

Overall rule effectiveness score for Title V facilities:

90.94%

2008 Maricopa Co. CO Emission Inventory

Nov. 2012

A2–7

Table A2–3. Rule Effectiveness Matrix for Non-Title V Facilities
A. Most important factors (2 criteria, each assigned weighting of 35% of total):
Factor

Range

Midpt.
value

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%
< 70%

75%
35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Monitoring

Compliance
History

Description
Source specific monitoring used for compliance
purposes, and monitoring records filed with
regulatory agency at least every 4 months.
Source specific monitoring used as an indicator of
compliance, and monitoring records filed with
regulatory agency every 6 to 9 months.
Source specific monitoring used as an indicator of
compliance, and monitoring records filed with
regulatory agency each year.
General guidance exists for source specific
enhanced monitoring, and monitoring records required but aren’t submitted to regulatory agency.
No requirements for any type of monitoring.
The facility has been in compliance for the past
eight quarters.
The facility is believed to have been in compliance
for the past eight quarters, although inspection
frequency is such that this can’t be positively
confirmed.
On schedule; the facility is meeting its compliance
schedule.
In Violation; facility is in violation of emissions
and/or procedural requirements.
High Priority Violator (HPV): the facility is in
significant violation of one or more applicable
requirement of the CAA.

Weight

Value
Score
assigned to (= weight
MCAQD
× value)

35%

35%

75%

26.3%

156 of 298
facilities

17.8%

10 of 298
facilities

1.1%

130 of 298
facilities

11.5%

2 of 298
facilities
Sum:

0.1%
30.4%

B. Other important factors (4 criteria, each assigned weighting of 3% of total):

Type of
Inspection

Operation &
Maintenance

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%
< 70%

75%
35%

Inspections involve compliance test methods with
a high degree of accuracy, such as stack testing or
other types of precise emissions measurement.
Inspections involve detailed review of process
parameters & inspection of control equipment.
Inspections involve review of process and
inspection of control equipment.
Inspections generally consist of only a records
review.
Inspections most likely consist of visual inspection
(e.g., opacity), or drive by.
Control equipment operators follow and sign daily
O&M instructions.
Control equipment operators follow daily O&M
instructions.
Control equipment operators follow daily or
weekly O&M instructions.
O&M requirements exist, but on no specific
schedule.
No specific O&M requirements.

2008 Maricopa Co. CO Emission Inventory

A2–8

3%

90%

2.7%

3%

90%

2.7%

Nov. 2012

Factor
Unannounced
Inspections

Range
94%
100%
87%
93%
81%
86%
70%
80%
< 70%

Midpt.
value
97%
90%
84%
75%
35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Enforcement
Penalties

Description
Routinely conducted.
Sometimes done.
Done, but infrequently.
Rarely done.
Never done.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency has the authority to impose punitive
measures, including monetary fines, towards
violators such as in delegated Title V Operating
Permit programs.
Agency does not have sufficient authority to
impose punitive measures towards violators.

Weight
3%

Value
Score
assigned to (= weight
MCAQD
× value)
97%
2.91%

3%

97%

2.91%

2%

75%

1.5%

2%

97%

1.94%

2%

97%

1.94%

C. Other factors (9 criteria, each assigned weighting of 2% of total):

Compliance
Certifications

Inspection
Frequency

EPA HPV
Enforcement

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

94%

100%

97%

87%

93%

90%

81%
70%

86%
80%
< 70%

84%
75%
35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Source subject to Title V or other type of
compliance certification.
Source subject to Title V or other type of
compliance certification.
Source not subject to any type of compliance
certification.
Source not subject to any type of compliance
certification.
Source not subject to any type of compliance
certification.
Source(s) are inspected once every 2 years or more
frequently.
Source(s) inspected every 3 years or more
frequently.
Source(s) inspected every 5 years or more
frequently.
Inspection of source(s) infrequent; > every 5 years.
Inspections rarely, if ever, performed.
Agency has sufficient resources to implement
EPA’s 12/22/98 HPV policy.
Agency’s resources allow it to implement EPA’s
12/22/98 HPV policy in most instances.
Agency’s resources allow it to implement EPA’s
12/22/98 HPV policy in most instances.
Agency’s resources allow it to implement EPA’s
12/22/98 HPV policy more often than not.
Resource constraints prohibit agency from
implementing EPA’s 12/22/98 HPV policy in most
instances.

2008 Maricopa Co. CO Emission Inventory

A2–9

Nov. 2012

Factor

Operator
Training

Media
Publicity

Midpt.
value

Range

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

0.8

75%

< 70%

35%

Description
Control equipment operators complete a formal
training program on use of the equipment; the
program is kept up to date and has been reviewed
by the regulatory agency.
Control equipment operators complete formal
training program, and such program is kept up to
date and available for review by the regulatory
agency upon request.
Control equipment operators complete some
amount of formal training.
Control equipment operators receive only on the
job training.
Control equipment operators receive no specific
training.

100%
93%
86%
80%
< 70%

97%
90%
84%
75%
35%

Media publicity of enforcement actions.
Media publicity of enforcement actions.
Media publicity of enforcement actions.
Media publicity of enforcement actions.
No media publicity of enforcement actions.

94%
87%
81%
70%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Regulatory
Workshops

Inspector
Training

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Regulatory workshops are available annually,
and/or the implementing agency mails regulatory
information packages each year.
Regulatory workshops are available every 1-2
years, and/or the implementing agency mails
regulatory information packages every 1-2 years.
Regulatory workshops are available every 2-3
years, and/or the implementing agency mails
regulatory information packages once every 2-3
years.
Regulatory workshop not routinely available, but
implementing agency mails regulatory information
packages out about once every 2-3 years.
Regulatory workshops not routinely available. The
implementing agency mails regulatory information
packages infrequently, if ever.
Inspectors must undergo 2 weeks of comprehensive basic training, and 1 to 2 weeks of source
specific training, and such training is updated each
year.
Inspectors must undergo 1 to 2 weeks of basic
training and 1 week of source specific training and
such training is updated every 1-2 years.
Inspectors must undergo 1 to 2 weeks of basic
training and 3 to 5 days of source specific training,
and such training is updated every 1-2 years.
Inspectors must undergo 1 to 2 weeks of basic
training and 1 to 3 days of source specific training,
and such training is updated every 1-2 years.
Inspectors must undergo less than 5 days of basic
training less than 3 days of source specific
training, and such training is updated only every 2
years or less frequently.

2008 Maricopa Co. CO Emission Inventory

A2–10

Weight

Value
assigned to
MCAQD

Score(=
weight ×
value)

2%

75%

1.5%

2%

97%

1.94%

2%

97%

1.94%

2%

90%

1.80%

Nov. 2012

Factor

Testing
Guidelines

Follow-up
Inspections

Midpt.
value

Range
94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

94%

100%

97%

87%

93%

90%

81%

86%

84%

70%

80%

75%

< 70%

35%

Description
Specific guidelines and schedule for testing and
test methods exist.
Specific guidelines on testing and test methods
exist, but no schedule for testing.
Specific guidelines on testing and test methods
exist, but no schedule for testing.
Specific guidelines on testing and test methods,
but no schedule for testing.
Only general guidance on testing, or no mention of
testing requirements.
Follow-up inspections always or almost always
conducted (90 % of the time or more).
Follow-up inspections usually conducted
(approximately 75% of the time).
Follow-up inspections sometimes conducted
(approximately 50% of the time).
Follow-up inspections infrequently conducted
(approximately 25% of the time).
Follow-up inspections rarely or never conducted
(10% of the time or less)

Weight

Value
assigned to
MCAQD

Score(=
weight ×
value)

2%

97%

1.94%

2%

97%

1.94%

Overall rule effectiveness score for non-Title V facilities:

84.27%

2008 Maricopa Co. CO Emission Inventory

Nov. 2012

A2–11

Appendix 3.

MOVES2010b Local Input Data and RunSpecs

In order to calculate the 2008 annual and CO season-day onroad source emissions,
MOVES2010b was executed using local input data for each month of the year and each
geographical area (the CO maintenance area and Maricopa County).
A portion of the MOVES2010b RunSpec Summary, RunSpec, and local input data for Maricopa
County are provided in this appendix as an example.

MOVES2010b RunSpec Summary (Maricopa County, December 2008)
* Output Database Server Name: [using default]
* Scale:
Domain/Scale: County
Calculation Type: Inventory
* Time Spans:
Time Aggregation Level: Hour
Years: 2008
Months: December
Days: Weekend & Weekdays
Hours: Start Hour 00:00 - 00:59 | End Hour 23:00 - 23:59
* Geographic Bounds:
Region: County
Selections: ARIZONA - Maricopa County
Domain Input Database: mag_MC_2008PEI_in
* Vehicles/Equipment
On Road Vehicle Equipment:
Diesel Fuel - Combination Long-haul Truck
Diesel Fuel - Combination Short-haul Truck
Diesel Fuel - Intercity Bus
Diesel Fuel - Light Commercial Truck
Diesel Fuel - Motor Home
Diesel Fuel - Motorcycle
Diesel Fuel - Passenger Car
Diesel Fuel - Passenger Truck
Diesel Fuel - Refuse Truck
Diesel Fuel - School Bus
Diesel Fuel - Single Unit Long-haul Truck
Diesel Fuel - Single Unit Short-haul Truck
Diesel Fuel - Transit Bus
Gasoline - Combination Long-haul Truck
Gasoline - Combination Short-haul Truck
Gasoline - Intercity Bus
Gasoline - Light Commercial Truck
Gasoline - Motor Home
Gasoline - Motorcycle
Gasoline - Passenger Car
Gasoline - Passenger Truck
Gasoline - Refuse Truck
Gasoline - School Bus
Gasoline - Single Unit Long-haul Truck
Gasoline - Single Unit Short-haul Truck
Gasoline - Transit Bus
Compressed natural Gas (CNG) - Combination Long-haul

Truck
Compressed natural Gas (CNG) - Combination Short-haul
Truck
Compressed natural Gas (CNG) - Intercity Bus
Compressed natural Gas (CNG) - Light Commercial Truck
Compressed natural Gas (CNG) - Motor Home
Compressed natural Gas (CNG) - Motorcycle
Compressed natural Gas (CNG) - Passenger Car
Compressed natural Gas (CNG) - Passenger Truck
Compressed natural Gas (CNG) - Refuse Truck
Compressed natural Gas (CNG) - School Bus
Compressed natural Gas (CNG) - Single Unit Long-haul Truck
Compressed natural Gas (CNG) - Single Unit Short-haul Truck
Compressed natural Gas (CNG) - Transit Bus
* Road Type
Off-Network
Rural Restricted Access
Rural Unrestricted Access
Urban Restricted Access
Urban Unrestricted Access
* Pollutants and Processes
Carbon Monoxide (CO) - Running Exhaust
Carbon Monoxide (CO) - Start Exhaust
Carbon Monoxide (CO) - Crankcase Running Exhaust
Carbon Monoxide (CO) - Crankcase Start Exhaust
Carbon Monoxide (CO) - Crankcase Extended Idle Exhaust
Carbon Monoxide (CO) - Extended Idle Exhaust
* Manage Input Data Sets
Selections: / StageII_Input / Stage II Refueling Input
* Output
General Output:
Output Database: mag_MC_2008PEI_out
Units: Mass Units (Grams) | Energy Units (Joules) | Distance
Units (Miles)
Activity: Distance Traveled | Source Hours | Source Hours
Idling | Source Hours Operating | Source Hours
Parked | Population | Starts
Output Emissions Detail:
Always: Time (Month) | Location (NATION) | Pollutant
For All Vehicle/Equipment Categories: Fuel Type | Emission
Process
On Road: SCC

MOVES2010b RunSpec (Maricopa County, December 2008)
<runspec>
<description><![CDATA[MC area for 2008, Emission Inventory]]></description>
<modelscale value="Inv"/>
<modeldomain value="SINGLE"/>
<geographicselections>
<geographicselection type="COUNTY" key="4013" description="ARIZONA - Maricopa County"/>
</geographicselections>
<timespan>
<year key="2008"/>
<month id="12"/>
<day id="2"/>
<day id="5"/>
<beginhour id="1"/>
<endhour id="24"/>
<aggregateBy key="Hour"/>
</timespan>
<onroadvehicleselections>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="11" sourcetypename="Motorcycle"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="21" sourcetypename="Passenger Car"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="31" sourcetypename="Passenger Truck"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="32" sourcetypename="Light Commercial Truck"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="41" sourcetypename="Intercity Bus"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="42" sourcetypename="Transit Bus"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="43" sourcetypename="School Bus"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="51" sourcetypename="Refuse Truck"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="52" sourcetypename="Single Unit Short-haul Truck"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="53" sourcetypename="Single Unit Long-haul Truck"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="54" sourcetypename="Motor Home"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="61" sourcetypename="Combination Short-haul Truck"/>
<onroadvehicleselection fueltypeid="1" fueltypedesc="Gasoline" sourcetypeid="62" sourcetypename="Combination Long-haul Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="11" sourcetypename="Motorcycle"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="21" sourcetypename="Passenger Car"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="31" sourcetypename="Passenger Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="32" sourcetypename="Light Commercial Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="41" sourcetypename="Intercity Bus"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="42" sourcetypename="Transit Bus"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="43" sourcetypename="School Bus"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="51" sourcetypename="Refuse Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="52" sourcetypename="Single Unit Short-haul
Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="53" sourcetypename="Single Unit Long-haul
Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="54" sourcetypename="Motor Home"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="61" sourcetypename="Combination Short-haul
Truck"/>
<onroadvehicleselection fueltypeid="2" fueltypedesc="Diesel Fuel" sourcetypeid="62" sourcetypename="Combination Long-haul
Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="11"
sourcetypename="Motorcycle"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="21" sourcetypename="Passenger
Car"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="31" sourcetypename="Passenger
Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="32" sourcetypename="Light
Commercial Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="41" sourcetypename="Intercity
Bus"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="42" sourcetypename="Transit
Bus"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="43" sourcetypename="School
Bus"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="51" sourcetypename="Refuse
Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="52" sourcetypename="Single Unit
Short-haul Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="53" sourcetypename="Single Unit
Long-haul Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="54" sourcetypename="Motor
Home"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="61" sourcetypename="Combination
Short-haul Truck"/>
<onroadvehicleselection fueltypeid="3" fueltypedesc="Compressed Natural Gas (CNG)" sourcetypeid="62" sourcetypename="Combination
Long-haul Truck"/>
</onroadvehicleselections>
<offroadvehicleselections>
</offroadvehicleselections>
<offroadvehiclesccs>
</offroadvehiclesccs>
<roadtypes>
<roadtype roadtypeid="1" roadtypename="Off-Network"/>
<roadtype roadtypeid="2" roadtypename="Rural Restricted Access"/>
<roadtype roadtypeid="3" roadtypename="Rural Unrestricted Access"/>
<roadtype roadtypeid="4" roadtypename="Urban Restricted Access"/>
<roadtype roadtypeid="5" roadtypename="Urban Unrestricted Access"/>
</roadtypes>
<pollutantprocessassociations>
<pollutantprocessassociation pollutantkey="2" pollutantname="Carbon Monoxide (CO)" processkey="1" processname="Running Exhaust"/>
<pollutantprocessassociation pollutantkey="2" pollutantname="Carbon Monoxide (CO)" processkey="2" processname="Start Exhaust"/>
<pollutantprocessassociation pollutantkey="2" pollutantname="Carbon Monoxide (CO)" processkey="15" processname="Crankcase Running
Exhaust"/>
<pollutantprocessassociation pollutantkey="2" pollutantname="Carbon Monoxide (CO)" processkey="16" processname="Crankcase Start

Exhaust"/>
<pollutantprocessassociation pollutantkey="2" pollutantname="Carbon Monoxide (CO)" processkey="17" processname="Crankcase
Extended Idle Exhaust"/>
<pollutantprocessassociation pollutantkey="2" pollutantname="Carbon Monoxide (CO)" processkey="90" processname="Extended Idle
Exhaust"/>
</pollutantprocessassociations>
<databaseselections>
<databaseselection servername="" databasename="StageII_Input" description="Stage II Refueling Input"/>
</databaseselections>
<internalcontrolstrategies>
<internalcontrolstrategy
classname="gov.epa.otaq.moves.master.implementation.ghg.internalcontrolstrategies.rateofprogress.RateOfProgressStrategy"><![CDATA
[
useParameters
No
]]></internalcontrolstrategy>
</internalcontrolstrategies>
<inputdatabase servername="" databasename="" description=""/>
<uncertaintyparameters uncertaintymodeenabled="false" numberofrunspersimulation="0" numberofsimulations="0"/>
<geographicoutputdetail description="LINK"/>
<outputemissionsbreakdownselection>
<modelyear selected="false"/>
<fueltype selected="true"/>
<emissionprocess selected="true"/>
<onroadoffroad selected="true"/>
<roadtype selected="true"/>
<sourceusetype selected="false"/>
<movesvehicletype selected="false"/>
<onroadscc selected="true"/>
<offroadscc selected="false"/>
<estimateuncertainty selected="false" numberOfIterations="2" keepSampledData="false" keepIterations="false"/>
<sector selected="false"/>
<engtechid selected="false"/>
<hpclass selected="false"/>
</outputemissionsbreakdownselection>
<outputdatabase servername="" databasename="mag_MC_2008PEI_out_v3" description=""/>
<outputtimestep value="Month"/>
<outputvmtdata value="true"/>
<outputsho value="true"/>
<outputsh value="true"/>
<outputshp value="true"/>
<outputshidling value="true"/>
<outputstarts value="true"/>
<outputpopulation value="true"/>
<scaleinputdatabase servername="localhost" databasename="mag_MC_2008PEI_in_v3" description=""/>
<pmsize value="0"/>
<outputfactors>
<timefactors selected="true" units="Months"/>
<distancefactors selected="true" units="Miles"/>
<massfactors selected="true" units="Grams" energyunits="Joules"/>
</outputfactors>
<savedata>
</savedata>
<donotexecute>
</donotexecute>
<generatordatabase shouldsave="false" servername="" databasename="" description=""/>
<donotperformfinalaggregation selected="false"/>
<lookuptableflags scenarioid="mag_MC_2008PEI_in_v3" truncateoutput="true" truncateactivity="true"/>
</runspec>

MOVES2010b Local Input Data (Maricopa County, December 2008)
[FuelFormulation]
Fuel
Fuel
Formulation Subtype
ID
ID
10801
12
10802
12
10803
12
10804
14
10805
14
10806
11
10807
14
10808
14
10809
11
10810
13
10811
12
10812
13
30801
20
30802
20
30803
20
30804
20
30805
20
30806
20
30807
20
30808
20
30809
20
30810
20
30811
20
30812
20
30
30

RVP
8 76
8 42
8 40
7 77
6 95
6 64
7 07
6 81
6 48
7 91
8 41
8 38
0
0
0
0
0
0
0
0
0
0
0
0
0

Sulfur ETOH MTBE ETBE TAME Aromatic Olefin Benzene
Level Volume Volume Volume Volume Content Content Content
35 00
95
0
0
0
14 4
49
10
23 14
92
0
0
0
12 8
39
09
49 00
92
0
0
0
12 0
40
08
23 00
56
0
0
0
17 7
60
10
26 04
13
0
0
0
16 8
76
08
25 20
00
0
0
0
16 3
70
07
18 83
07
0
0
0
16 6
73
08
28 59
04
0
0
0
15 0
74
08
34 56
00
0
0
0
18 2
10 1
09
24 95
68
0
0
0
17 1
80
09
15 17
95
0
0
0
16 1
59
11
29 45
88
0
0
0
14 5
53
09
6 18
0
0
0
0
0
0
0
6 27
0
0
0
0
0
0
0
6 65
0
0
0
0
0
0
0
6 60
0
0
0
0
0
0
0
5 78
0
0
0
0
0
0
0
5 60
0
0
0
0
0
0
0
4 20
0
0
0
0
0
0
0
6 25
0
0
0
0
0
0
0
6 25
0
0
0
0
0
0
0
6 49
0
0
0
0
0
0
0
6 49
0
0
0
0
0
0
0
6 85
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

[FuelSupply]
countyID
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013

e300
91 0
91 1
92 0
88 5
88 4
86 4
89 0
89 2
88 8
89 5
90 9
90 9
0
0
0
0
0
0
0
0
0
0
0
0
0

volToWt
PercentOxy
3 4933
3 4229
3 4075
2 0567
0 5086
0 0000
0 3367
0 1495
0 0000
2 5173
3 5425
3 2767
0
0
0
0
0
0
0
0
0
0
0
0
0

BioDiesel
Cetane PAH
Ester
Volume Index Content
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

T50
190 333
196 286
197 250
205 833
213 954
217 000
216 917
215 518
214 500
204 600
185 500
194 794
0
0
0
0
0
0
0
0
0
0
0
0
0

T90
292 333
291 286
285 500
304 833
307 884
321 400
304 667
302 768
305 750
302 467
294 333
293 184
0
0
0
0
0
0
0
0
0
0
0
0
0

[SourceTypeYear]

fuelYearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

monthGroupID
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12

fuelFormulationID
10801
10802
10803
10804
10805
10806
10807
10808
10809
10810
10811
10812
30801
30802
30803
30804
30805
30806
30807
30808
30809
30810
30811
30812
30
30
30
30
30
30
30
30
30
30
30
30

marketShare
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

marketShareCV
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05
05

[HPMSvTypeYear]
HPMSVtypeID
10
20
30
40
50
60

e200
53 0
50 3
50 3
45 5
40 2
38 4
37 9
38 9
40 3
46 5
53 3
50 7
0
0
0
0
0
0
0
0
0
0
0
0
0

yearID
2008
2008
2008
2008
2008
2008

VMTGrowthFactor
0
0
0
0
0
0

HPMSBaseYearVMT
137,684,495
17,967,179,969
11,891,041,958
79,229,536
1,602,088,402
1,722,837,641

baseYearOffNetVMT
0
0
0
0
0
0

yearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

sourceTypeID
11
21
31
32
41
42
43
51
52
53
54
61
62

sourceTypePopulation
72,411
2,056,832
475,013
183,701
1,147
703
7,041
828
27,030
1,745
3,531
13,884
11,439

[ZoneMonthHour]
monthID
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
7

zoneID
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130
40130

HourID temperature relHumidity
1
51 0
65 0
2
51 0
66 0
3
50 0
68 0
4
49 0
69 0
5
49 0
68 0
6
48 0
67 0
7
48 0
68 0
8
48 0
67 0
9
51 0
60 0
10
54 0
52 0
11
57 0
45 0
12
60 0
39 0
13
61 0
38 0
14
63 0
36 0
15
64 0
35 0
16
64 0
33 0
17
63 0
35 0
18
61 0
41 0
19
59 0
47 0
20
57 0
51 0
21
55 0
54 0
22
54 0
56 0
23
54 0
59 0
24
52 0
61 0
24
91 0
38 0

[SourceTypeAgeDistribution]
Source
TypeID
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31
31

YearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

AgeID
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

AgeFraction
0 097639
0 153685
0 124466
0 088073
0 100239
0 075075
0 060726
0 050223
0 041801
0 030675
0 024748
0 023188
0 019341
0 014557
0 013518
0 009462
0 006967
0 006863
0 006447
0 006239
0 006551
0 01019
0 008734
0 006239
0 004456
0 003183
0 002274
0 001624
0 00116
0 000829
0 000829
0 0586
0 0898
0 0909
0 0847
0 0786
0 071
0 069
0 0639
0 0628
0 0539
0 044
0 0383
0 0297
0 0294
0 023
0 0187
0 0147
0 0129
0 0106
0 0088
0 0066
0 0056
0 0043
0 0036
0 003014
0 002523
0 002113
0 001769
0 001481
0 00124
0 014461
0 056148
0 089988
0 092916
0 074872
0 076932
0 063022
0 057914
0 065833
0 06192
0 048255
0 042507
0 042947
0 031419
0 030928
0 028403
0 018757
0 012649
0 011138

Source
TypeID
31
31
31
31
31
31
31
31
31
31
31
31
31
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
41
42
42
42
42
42

YearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

AgeID
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4

AgeFraction
0 010056
0 011393
0 008919
0 005793
0 007552
0 005668
0 004272
0 003242
0 002452
0 001919
0 001515
0 001206
0 029464
0 059763
0 095684
0 099128
0 077088
0 074825
0 060022
0 054098
0 061759
0 062509
0 047608
0 041619
0 043153
0 031489
0 031005
0 029429
0 019239
0 011888
0 010528
0 009695
0 011148
0 008679
0 005441
0 007091
0 005301
0 004014
0 003071
0 002418
0 001846
0 001426
0 001119
0 027915
0 0544
0 127
0 1378
0 1142
0 0624
0 042
0 0312
0 0413
0 0576
0 0536
0 0309
0 0297
0 0305
0 0291
0 0546
0 0142
0 0082
0 0076
0 0148
0 0231
0 0175
0 0045
0 0035
0 0023
0 001511
0 000993
0 000653
0 000429
0 000282
0 000185
0 003947
0 0544
0 127
0 1378
0 1142
0 0624

Source
TypeID
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
43
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51

YearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

AgeID
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

AgeFraction
0 042
0 0312
0 0413
0 0576
0 0536
0 0309
0 0297
0 0305
0 0291
0 0546
0 0142
0 0082
0 0076
0 0148
0 0231
0 0175
0 0045
0 0035
0 0023
0 001511
0 000993
0 000653
0 000429
0 000282
0 000185
0 003947
0 091684
0 148636
0 157944
0 09869
0 056752
0 03343
0 020118
0 025423
0 069363
0 042739
0 034531
0 046342
0 03293
0 031173
0 038212
0 02194
0 004822
0 004813
0 00647
0 009141
0 006922
0 002448
0 002714
0 001715
0 001077
0 000681
0 00043
0 00029
0 000183
0 000115
0 008269
0 091611
0 148519
0 15782
0 098612
0 056707
0 033404
0 020103
0 025403
0 069309
0 042705
0 034504
0 046306
0 032904
0 031602
0 038601
0 022601
0 004899
0 0049
0 006499
0 009099
0 006797
0 0024
0 0027

Source
TypeID
51
51
51
51
51
51
51
51
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
52
53
53
53
53
53
53
53
53
53
53
53
53
53
53
53
53
53
53

YearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

AgeID
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

AgeFraction
0 0017
0 00107
0 000674
0 000424
0 000267
0 000168
0 000106
0 007586
0 082905
0 133171
0 140432
0 091977
0 061324
0 040558
0 029326
0 03528
0 066813
0 043674
0 036113
0 04492
0 032191
0 031518
0 036333
0 022117
0 006913
0 006552
0 007429
0 00972
0 007356
0 003264
0 004084
0 002855
0 002131
0 001652
0 001562
0 001023
0 000676
0 000468
0 015661
0 090873
0 146351
0 155089
0 097122
0 056197
0 033312
0 020196
0 025496
0 068212
0 042125
0 034022
0 04548
0 032373
0 033217
0 040496
0 025464
0 00539
0 005435

Source
TypeID
53
53
53
53
53
53
53
53
53
53
53
53
53
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
61
61
61
61
61
61
61
61
61
61
61
61
61

YearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

AgeID
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12

AgeFraction
0 006778
0 009212
0 006638
0 002389
0 00301
0 001941
0 0014
0 001053
0 001075
0 000559
0 00031
0 000179
0 008605
0 092048
0 149226
0 158572
0 099082
0 056977
0 033563
0 020198
0 025524
0 069639
0 042909
0 034669
0 046526
0 033061
0 030138
0 036854
0 020274
0 004587
0 004591
0 006362
0 009049
0 007043
0 002525
0 002703
0 001719
0 001069
0 000675
0 000432
0 000338
0 000212
0 000131
0 009302
0 092019
0 14918
0 158522
0 099051
0 056959
0 033553
0 020192
0 025516
0 069617
0 042895
0 034658
0 046512
0 033051

Source
TypeID
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
61
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62
62

YearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

AgeID
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

AgeFraction
0 031559
0 037665
0 022381
0 004788
0 004864
0 006421
0 008694
0 006439
0 002319
0 00261
0 001634
0 001022
0 000627
0 000397
0 000256
0 000154
9 03E-05
0 006355
0 091775
0 148783
0 158101
0 098788
0 056808
0 033464
0 020138
0 025448
0 069432
0 042781
0 034566
0 046388
0 032963
0 031586
0 03824
0 022517
0 004855
0 004882
0 006464
0 00894
0 006652
0 002363
0 002658
0 00167
0 001049
0 000654
0 000412
0 000262
0 000162
9 96E-05
0 007099

[IMCoverage]
polProcess
ID
101
101
101
101
101
101
101
101
101
101
102
102
102
102
102
102
102
102
102
102
112
112
112
112
112
112
112
113
113
113
113
113
113
113
201
201
201
201
201
201
201
201
201
201
202
202
202
202
202
202
202
202
202
202
301
301
301
301
301
301
301
301
301
301
302
302
302
302
302
302
302
302
302
302
101
101
101
101
101
101
101
101
101
101
102
102

State
ID
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

County
ID
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013

yearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

sourceTypeID
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
31
31
32
32
52
21
21
31
31
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21

fuelTypeID
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

IMProgramID
3
6
10
3
6
10
3
6
10
3
3
6
10
3
6
10
3
6
10
3
8
9
8
9
8
9
7
8
9
8
9
8
9
7
3
6
10
3
6
10
3
6
10
3
3
6
10
3
6
10
3
6
10
3
3
6
10
3
6
10
3
6
10
3
3
6
10
3
6
10
3
6
10
3
103
106
110
103
106
110
103
106
110
103
103
106

Beg
ModelYearID
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1996
1981
1996
1981
1996
1981
1967
1996
1981
1996
1981
1996
1981
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981

End
ModelYearID
1980
1995
2002
1980
1995
2002
1980
1995
2002
2002
1980
1995
2002
1980
1995
2002
1980
1995
2002
2002
2002
1995
2002
1995
2002
1995
2002
2002
1995
2002
1995
2002
1995
2002
1980
1995
2002
1980
1995
2002
1980
1995
2002
2002
1980
1995
2002
1980
1995
2002
1980
1995
2002
2002
1980
1995
2002
1980
1995
2002
1980
1995
2002
2002
1980
1995
2002
1980
1995
2002
1980
1995
2002
2002
1980
1995
2004
1980
1995
2004
1980
1995
2004
2004
1980
1995

inspectFreq
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
2
1
2
1
2
1
1
2
1
2
1
2
1
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2

Test
StandardsID useIMyn
13
N
33
N
51
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
43
N
44
N
43
N
44
N
43
N
44
N
41
N
43
N
44
N
43
N
44
N
43
N
44
N
41
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
33
N
51
N
13
N
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
13
Y
31
Y

Compliance
Factor
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
95 8845
57 62
64 12
90 04
57 62
64 12
90 04
57 62
64 12
90 04
87 20
57 62
64 12

polProcess
ID
102
102
102
102
102
102
102
102
112
112
112
112
112
112
112
113
113
113
113
113
113
113
201
201
201
201
201
201
201
201
201
201
202
202
202
202
202
202
202
202
202
202
301
301
301
301
301
301
301
301
301
301
302
302
302
302
302
302
302
302
302
302

State
ID
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

County
ID
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013
4013

yearID
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008
2008

sourceTypeID
21
31
31
31
32
32
32
52
21
21
31
31
32
32
52
21
21
31
31
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52
21
21
21
31
31
31
32
32
32
52

fuelTypeID
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

IMProgramID
110
103
106
110
103
106
110
103
108
109
108
109
108
109
107
108
109
108
109
108
109
107
103
106
110
103
106
110
103
106
110
103
103
106
110
103
106
110
103
106
110
103
103
106
110
103
106
110
103
106
110
103
103
106
110
103
106
110
103
106
110
103

Beg
ModelYearID
1996
1967
1981
1996
1967
1981
1996
1967
1996
1981
1996
1981
1996
1981
1981
1996
1981
1996
1981
1996
1981
1981
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967
1967
1981
1996
1967
1981
1996
1967
1981
1996
1967

End
ModelYearID
2004
1980
1995
2004
1980
1995
2004
2004
2004
1995
2004
1995
2004
1995
2004
2004
1995
2004
1995
2004
1995
2004
1980
1995
2004
1980
1995
2004
1980
1995
2004
2004
1980
1995
2004
1980
1995
2004
1980
1995
2004
2004
1980
1995
2004
1980
1995
2004
1980
1995
2004
2004
1980
1995
2004
1980
1995
2004
1980
1995
2004
2004

inspectFreq
2
1
2
2
1
2
2
1
2
2
2
2
2
2
1
2
2
2
2
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1
1
2
2
1
2
2
1
2
2
1

Test
StandardsID useIMyn
51
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
43
Y
44
Y
43
Y
44
Y
43
Y
44
Y
41
Y
43
Y
44
Y
43
Y
44
Y
43
Y
44
Y
41
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y
31
Y
51
Y
13
Y

Compliance
Factor
90 04
57 62
64 12
90 04
57 62
64 12
90 04
87 20
83 81
64 12
83 81
64 12
83 81
64 12
86 29
83 81
64 12
83 81
64 12
83 81
64 12
86 29
57 62
64 12
90 04
57 62
64 12
90 04
57 62
64 12
90 04
87 20
57 62
64 12
90 04
57 62
64 12
90 04
57 62
64 12
90 04
87 20
57 62
64 12
90 04
57 62
64 12
90 04
57 62
64 12
90 04
87 20
57 62
64 12
90 04
57 62
64 12
90 04
57 62
64 12
90 04
87 20

[RoadType]
roadTypeID
2
4

rampFraction
0 045682
0 083288

[RoadTypeDistribution]
sourceTypeID
11
11
11
11
11
21
21
21
21
21
31
31
31
31
31
32
32
32
32
32
41
41
41
41
41
42
42
42
42
42
43
43
43
43
43
51
51
51
51
51
52
52
52
52
52
53
53
53
53
53
54
54
54
54
54
61
61
61
61
61
62
62
62
62
62

roadTypeID
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5

roadTypeVMTFraction
0 00000
0 02735
0 05584
0 32284
0 59397
0 00000
0 03230
0 05044
0 31932
0 59794
0 00000
0 03350
0 05453
0 31647
0 59550
0 00000
0 03350
0 05453
0 31647
0 59550
0 00000
0 03009
0 06747
0 34506
0 55738
0 00000
0 03009
0 06747
0 34506
0 55738
0 00000
0 03009
0 06747
0 34506
0 55738
0 00000
0 04027
0 03530
0 49257
0 43186
0 00000
0 04027
0 03530
0 49257
0 43186
0 00000
0 04027
0 03530
0 49257
0 43186
0 00000
0 04027
0 03530
0 49257
0 43186
0 00000
0 07566
0 04041
0 50755
0 37638
0 00000
0 07566
0 04041
0 50755
0 37638

[MonthVMTFraction]
sourceTypeID
11
21
31
32
41
42
43
51
52
53
54
61
62

isLeapYear
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y

monthID
12
12
12
12
12
12
12
12
12
12
12
12
12

monthVMTFraction
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229
0 083229

[DayVMTFraction]
Source Month Road
Day
TypeID ID
TypeID dayID VMTFraction
11
12
1
5
0 767488
21
12
1
5
0 767488
31
12
1
5
0 767488
32
12
1
5
0 767488
41
12
1
5
0 767488
42
12
1
5
0 767488
43
12
1
5
0 767488
51
12
1
5
0 767488
52
12
1
5
0 767488
53
12
1
5
0 767488
54
12
1
5
0 767488
61
12
1
5
0 767488
62
12
1
5
0 767488
11
12
2
5
0 768458
21
12
2
5
0 768458
31
12
2
5
0 768458
32
12
2
5
0 768458
41
12
2
5
0 768458
42
12
2
5
0 768458
43
12
2
5
0 768458
51
12
2
5
0 768458
52
12
2
5
0 768458
53
12
2
5
0 768458
54
12
2
5
0 768458
61
12
2
5
0 768458
62
12
2
5
0 768458
11
12
3
5
0 766507
21
12
3
5
0 766507
31
12
3
5
0 766507
32
12
3
5
0 766507
41
12
3
5
0 766507
42
12
3
5
0 766507
43
12
3
5
0 766507
51
12
3
5
0 766507
52
12
3
5
0 766507
53
12
3
5
0 766507
54
12
3
5
0 766507
61
12
3
5
0 766507
62
12
3
5
0 766507
11
12
4
5
0 768458
21
12
4
5
0 768458
31
12
4
5
0 768458
32
12
4
5
0 768458
41
12
4
5
0 768458
42
12
4
5
0 768458
43
12
4
5
0 768458

Source Month Road
Day
TypeID ID
TypeID dayID VMTFraction
51
12
4
5
0 768458
52
12
4
5
0 768458
53
12
4
5
0 768458
54
12
4
5
0 768458
61
12
4
5
0 768458
62
12
4
5
0 768458
11
12
5
5
0 766507
21
12
5
5
0 766507
31
12
5
5
0 766507
32
12
5
5
0 766507
41
12
5
5
0 766507
42
12
5
5
0 766507
43
12
5
5
0 766507
51
12
5
5
0 766507
52
12
5
5
0 766507
53
12
5
5
0 766507
54
12
5
5
0 766507
61
12
5
5
0 766507
62
12
5
5
0 766507
11
12
1
2
0 232512
21
12
1
2
0 232512
31
12
1
2
0 232512
32
12
1
2
0 232512
41
12
1
2
0 232512
42
12
1
2
0 232512
43
12
1
2
0 232512
51
12
1
2
0 232512
52
12
1
2
0 232512
53
12
1
2
0 232512
54
12
1
2
0 232512
61
12
1
2
0 232512
62
12
1
2
0 232512
11
12
2
2
0 231542
21
12
2
2
0 231542
31
12
2
2
0 231542
32
12
2
2
0 231542
41
12
2
2
0 231542
42
12
2
2
0 231542
43
12
2
2
0 231542
51
12
2
2
0 231542
52
12
2
2
0 231542
53
12
2
2
0 231542
54
12
2
2
0 231542
61
12
2
2
0 231542
62
12
2
2
0 231542
11
12
3
2
0 233493

Source Month Road
Day
TypeID ID
TypeID dayID VMTFraction
21
12
3
2
0 233493
31
12
3
2
0 233493
32
12
3
2
0 233493
41
12
3
2
0 233493
42
12
3
2
0 233493
43
12
3
2
0 233493
51
12
3
2
0 233493
52
12
3
2
0 233493
53
12
3
2
0 233493
54
12
3
2
0 233493
61
12
3
2
0 233493
62
12
3
2
0 233493
11
12
4
2
0 231542
21
12
4
2
0 231542
31
12
4
2
0 231542
32
12
4
2
0 231542
41
12
4
2
0 231542
42
12
4
2
0 231542
43
12
4
2
0 231542
51
12
4
2
0 231542
52
12
4
2
0 231542
53
12
4
2
0 231542
54
12
4
2
0 231542
61
12
4
2
0 231542
62
12
4
2
0 231542
11
12
5
2
0 233493
21
12
5
2
0 233493
31
12
5
2
0 233493
32
12
5
2
0 233493
41
12
5
2
0 233493
42
12
5
2
0 233493
43
12
5
2
0 233493
51
12
5
2
0 233493
52
12
5
2
0 233493
53
12
5
2
0 233493
54
12
5
2
0 233493
61
12
5
2
0 233493
62
12
5
2
0 233493

[HourVMTFraction] (SourceTypeID 21: Passenger Car)
Source Road
TypeID TypeID dayID hourID
21
1
5
1
21
1
5
2
21
1
5
3
21
1
5
4
21
1
5
5
21
1
5
6
21
1
5
7
21
1
5
8
21
1
5
9
21
1
5
10
21
1
5
11
21
1
5
12
21
1
5
13
21
1
5
14
21
1
5
15
21
1
5
16
21
1
5
17
21
1
5
18
21
1
5
19
21
1
5
20
21
1
5
21
21
1
5
22
21
1
5
23
21
1
5
24
21
2
5
1
21
2
5
2
21
2
5
3
21
2
5
4
21
2
5
5
21
2
5
6
21
2
5
7
21
2
5
8
21
2
5
9
21
2
5
10
21
2
5
11
21
2
5
12
21
2
5
13
21
2
5
14
21
2
5
15
21
2
5
16
21
2
5
17
21
2
5
18
21
2
5
19
21
2
5
20
21
2
5
21
21
2
5
22
21
2
5
23
21
2
5
24
21
3
5
1
21
3
5
2
21
3
5
3
21
3
5
4
21
3
5
5
21
3
5
6
21
3
5
7
21
3
5
8
21
3
5
9
21
3
5
10
21
3
5
11
21
3
5
12
21
3
5
13
21
3
5
14
21
3
5
15
21
3
5
16
21
3
5
17
21
3
5
18
21
3
5
19
21
3
5
20
21
3
5
21
21
3
5
22
21
3
5
23
21
3
5
24
21
4
5
1
21
4
5
2
21
4
5
3
21
4
5
4
21
4
5
5
21
4
5
6
21
4
5
7
21
4
5
8
21
4
5
9
21
4
5
10
21
4
5
11
21
4
5
12
21
4
5
13

hourVMT
Fraction
0 007957
0 005448
0 004973
0 006014
0 013468
0 034281
0 054676
0 06466
0 060292
0 052697
0 050973
0 054873
0 057626
0 059009
0 064762
0 06924
0 070039
0 07009
0 05904
0 04192
0 033428
0 029157
0 02144
0 013936
0 009807
0 006923
0 00651
0 007961
0 017302
0 042783
0 060321
0 059377
0 057361
0 055026
0 052104
0 05478
0 05683
0 059985
0 065538
0 065523
0 061668
0 059173
0 054281
0 040837
0 033031
0 030836
0 024921
0 017121
0 006081
0 003952
0 003413
0 004039
0 009578
0 025656
0 04895
0 07002
0 063264
0 050335
0 049826
0 054967
0 058433
0 058019
0 063976
0 073011
0 07853
0 081166
0 063868
0 043018
0 033831
0 027454
0 017909
0 010705
0 009807
0 006923
0 00651
0 007961
0 017302
0 042783
0 060321
0 059377
0 057361
0 055026
0 052104
0 05478
0 05683

Source Road
TypeID TypeID dayID hourID
21
4
5
14
21
4
5
15
21
4
5
16
21
4
5
17
21
4
5
18
21
4
5
19
21
4
5
20
21
4
5
21
21
4
5
22
21
4
5
23
21
4
5
24
21
5
5
1
21
5
5
2
21
5
5
3
21
5
5
4
21
5
5
5
21
5
5
6
21
5
5
7
21
5
5
8
21
5
5
9
21
5
5
10
21
5
5
11
21
5
5
12
21
5
5
13
21
5
5
14
21
5
5
15
21
5
5
16
21
5
5
17
21
5
5
18
21
5
5
19
21
5
5
20
21
5
5
21
21
5
5
22
21
5
5
23
21
5
5
24
21
1
2
1
21
1
2
2
21
1
2
3
21
1
2
4
21
1
2
5
21
1
2
6
21
1
2
7
21
1
2
8
21
1
2
9
21
1
2
10
21
1
2
11
21
1
2
12
21
1
2
13
21
1
2
14
21
1
2
15
21
1
2
16
21
1
2
17
21
1
2
18
21
1
2
19
21
1
2
20
21
1
2
21
21
1
2
22
21
1
2
23
21
1
2
24
21
2
2
1
21
2
2
2
21
2
2
3
21
2
2
4
21
2
2
5
21
2
2
6
21
2
2
7
21
2
2
8
21
2
2
9
21
2
2
10
21
2
2
11
21
2
2
12
21
2
2
13
21
2
2
14
21
2
2
15
21
2
2
16
21
2
2
17
21
2
2
18
21
2
2
19
21
2
2
20
21
2
2
21
21
2
2
22
21
2
2
23
21
2
2
24
21
3
2
1
21
3
2
2

hourVMT
Fraction
0 059985
0 065538
0 065523
0 061668
0 059173
0 054281
0 040837
0 033031
0 030836
0 024921
0 017121
0 006081
0 003952
0 003413
0 004039
0 009578
0 025656
0 04895
0 07002
0 063264
0 050335
0 049826
0 054967
0 058433
0 058019
0 063976
0 073011
0 07853
0 081166
0 063868
0 043018
0 033831
0 027454
0 017909
0 010705
0 020872
0 014804
0 013016
0 010079
0 011715
0 018691
0 027033
0 033174
0 040089
0 048519
0 05524
0 060009
0 064796
0 06555
0 064719
0 064355
0 064852
0 064713
0 061678
0 050477
0 043519
0 040777
0 035718
0 025605
0 020431
0 014508
0 012577
0 009828
0 011013
0 01751
0 025995
0 031456
0 038799
0 047714
0 054712
0 060251
0 065575
0 066506
0 065746
0 065312
0 065948
0 066767
0 064137
0 050196
0 042573
0 040589
0 036012
0 025845
0 021315
0 015101

Source Road
TypeID TypeID dayID hourID
21
3
2
3
21
3
2
4
21
3
2
5
21
3
2
6
21
3
2
7
21
3
2
8
21
3
2
9
21
3
2
10
21
3
2
11
21
3
2
12
21
3
2
13
21
3
2
14
21
3
2
15
21
3
2
16
21
3
2
17
21
3
2
18
21
3
2
19
21
3
2
20
21
3
2
21
21
3
2
22
21
3
2
23
21
3
2
24
21
4
2
1
21
4
2
2
21
4
2
3
21
4
2
4
21
4
2
5
21
4
2
6
21
4
2
7
21
4
2
8
21
4
2
9
21
4
2
10
21
4
2
11
21
4
2
12
21
4
2
13
21
4
2
14
21
4
2
15
21
4
2
16
21
4
2
17
21
4
2
18
21
4
2
19
21
4
2
20
21
4
2
21
21
4
2
22
21
4
2
23
21
4
2
24
21
5
2
1
21
5
2
2
21
5
2
3
21
5
2
4
21
5
2
5
21
5
2
6
21
5
2
7
21
5
2
8
21
5
2
9
21
5
2
10
21
5
2
11
21
5
2
12
21
5
2
13
21
5
2
14
21
5
2
15
21
5
2
16
21
5
2
17
21
5
2
18
21
5
2
19
21
5
2
20
21
5
2
21
21
5
2
22
21
5
2
23
21
5
2
24

hourVMT
Fraction
0 013457
0 010331
0 01242
0 019876
0 028075
0 034899
0 041383
0 049326
0 05577
0 059766
0 064014
0 064591
0 063689
0 063394
0 063753
0 062652
0 05921
0 050759
0 044469
0 040966
0 035423
0 025364
0 020431
0 014508
0 012577
0 009828
0 011013
0 01751
0 025995
0 031456
0 038799
0 047714
0 054712
0 060251
0 065575
0 066506
0 065746
0 065312
0 065948
0 066767
0 064137
0 050196
0 042573
0 040589
0 036012
0 025845
0 021315
0 015101
0 013457
0 010331
0 01242
0 019876
0 028075
0 034899
0 041383
0 049326
0 05577
0 059766
0 064014
0 064591
0 063689
0 063394
0 063753
0 062652
0 05921
0 050759
0 044469
0 040966
0 035423
0 025364

[AvgSpeedDistribution] (SourceTypeID 21: Passenger Car and RoadTypeID 2: Rural Restricted Access)
Source Road
Hour
TypeID TypeID DayID
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
15
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
25
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
35
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
45
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55
21
2
55

avgSpeed
BinID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

avgSpeed
Fraction
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091

Source Road
Hour
TypeID TypeID DayID
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
65
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
75
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
85
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
95
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105
21
2
105

avgSpeed
BinID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

avgSpeed
Fraction
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 001175
0 024471
0
0 028037
0 157024
0 229013
0 175926
0 121128
0 0313
0 098442
0 133484
0
0
0
0
0
0 001175
0 024471
0
0 028037
0 157024
0 229013
0 175926
0 121128
0 0313
0 098442
0 133484
0
0
0
0
0
0 001175
0 024471
0
0 028037
0 157024
0 229013
0 175926
0 121128
0 0313
0 098442
0 133484
0
0
0
0
0
0
0
0 031691
0 07915
0 241444
0 173603
0 036762
0 09423
0 147891
0 079495
0 115733

Source Road
Hour
TypeID TypeID DayID
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
115
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
125
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
135
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
145
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155
21
2
155

avgSpeed
BinID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

avgSpeed
Fraction
0
0
0
0
0
0
0
0 031691
0 07915
0 241444
0 173603
0 036762
0 09423
0 147891
0 079495
0 115733
0
0
0
0
0
0
0
0 031691
0 07915
0 241444
0 173603
0 036762
0 09423
0 147891
0 079495
0 115733
0
0
0
0
0
0
0
0 031691
0 07915
0 241444
0 173603
0 036762
0 09423
0 147891
0 079495
0 115733
0
0
0
0
0
0
0
0 031691
0 07915
0 241444
0 173603
0 036762
0 09423
0 147891
0 079495
0 115733
0
0
0
0
0
0
0
0 031691
0 07915
0 241444
0 173603
0 036762
0 09423
0 147891
0 079495
0 115733

Source Road
Hour
TypeID TypeID DayID
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
165
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
175
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
185
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
195
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
205
21
2
215
21
2
215

avgSpeed
BinID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2

avgSpeed
Fraction
0
0
0
0
0
0
0
0
0
0
0
0 03945
0 172863
0 286538
0 263991
0 237157
0
0
0
0
0
0
0
0
0
0
0
0 03945
0 172863
0 286538
0 263991
0 237157
0
0
0
0
0
0
0
0
0
0
0
0 03945
0 172863
0 286538
0 263991
0 237157
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0

Source Road
Hour
TypeID TypeID DayID
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
215
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
225
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
235
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
245
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
12
21
2
22
21
2
22
21
2
22
21
2
22

avgSpeed
BinID
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4

avgSpeed
Fraction
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0

Source Road
Hour
TypeID TypeID DayID
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
22
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
32
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
42
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
52
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
62
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72

avgSpeed
BinID
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6

avgSpeed
Fraction
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422

Source Road
Hour
TypeID TypeID DayID
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
72
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
82
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
92
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
102
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
112
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122

avgSpeed
BinID
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8

avgSpeed
Fraction
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021

Source Road
Hour
TypeID TypeID DayID
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
122
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
132
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
142
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
152
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
162
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172

avgSpeed
BinID
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10

avgSpeed
Fraction
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627

Source Road
Hour
TypeID TypeID DayID
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
172
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
182
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
192
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
202
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
212
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222
21
2
222

avgSpeed
BinID
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12

avgSpeed
Fraction
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462

Source Road
Hour
TypeID TypeID DayID
21
2
222
21
2
222
21
2
222
21
2
222
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232

avgSpeed
BinID
13
14
15
16
1
2
3
4
5
6
7
8

avgSpeed
Fraction
0 057688
0 062161
0 062758
0 082091
0
0
0
0
0
0 01422
0 053944
0 132021

Source Road
Hour
TypeID TypeID DayID
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
232
21
2
242
21
2
242
21
2
242
21
2
242

avgSpeed
BinID
9
10
11
12
13
14
15
16
1
2
3
4

avgSpeed
Fraction
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091
0
0
0
0

Source Road
Hour
TypeID TypeID DayID
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242
21
2
242

avgSpeed
BinID
5
6
7
8
9
10
11
12
13
14
15
16

avgSpeed
Fraction
0
0 01422
0 053944
0 132021
0 214344
0 212627
0 017683
0 090462
0 057688
0 062161
0 062758
0 082091

[AVFT] (SourceTypeID 42: Transit Bus)
Source
TypeID
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42

Model
Fuel
Eng
YearID TypeID TechID
1960
2
1
1961
2
1
1962
2
1
1963
2
1
1964
2
1
1965
2
1
1966
2
1
1967
2
1
1968
2
1
1969
2
1
1970
2
1
1971
2
1
1972
2
1
1973
2
1
1974
2
1
1975
2
1
1976
2
1
1977
2
1
1978
2
1
1979
2
1
1980
2
1
1981
2
1
1982
2
1
1983
2
1
1984
2
1
1985
2
1
1986
2
1
1987
2
1
1988
2
1
1989
2
1
1990
2
1
1990
3
1
1991
2
1
1991
3
1
1992
1
1
1992
2
1
1992
3
1
1993
1
1
1993
2
1
1993
3
1
1994
1
1
1994
2
1
1994
3
1
1995
1
1
1995
2
1
1995
3
1
1996
1
1
1996
2
1
1996
3
1
1997
1
1
1997
2
1
1997
3
1
1998
1
1
1998
2
1
1998
3
1
1999
1
1
1999
2
1
1999
3
1
2000
1
1
2000
2
1
2000
3
1
2001
1
1
2001
2
1
2001
3
1
2002
1
1
2002
2
1
2002
3
1
2003
1
1
2003
2
1
2003
3
1
2004
1
1
2004
2
1
2004
3
1
2005
1
1
2005
2
1

fuelEng
Fraction
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0 993
0 007
0 982
0 018
0 01
0 944
0 046
0 01
0 914
0 076
0 01
0 905
0 085
0 01
0 837
0 153
0 01
0 892
0 098
0
1
0
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0 08
0 92
0
0 397059
0 602941
0
1

Source
TypeID
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42

Model
Fuel
Eng
YearID TypeID TechID
2005
3
1
2006
1
1
2006
2
1
2006
3
1
2007
1
1
2007
2
1
2007
3
1
2008
1
1
2008
2
1
2008
3
1
2009
1
1
2009
2
1
2009
3
1
2010
1
1
2010
2
1
2010
3
1
2011
1
1
2011
2
1
2011
3
1
2012
1
1
2012
2
1
2012
3
1
2013
1
1
2013
2
1
2013
3
1
2014
1
1
2014
2
1
2014
3
1
2015
1
1
2015
2
1
2015
3
1
2016
1
1
2016
2
1
2016
3
1
2017
1
1
2017
2
1
2017
3
1
2018
1
1
2018
2
1
2018
3
1
2019
1
1
2019
2
1
2019
3
1
2020
1
1
2020
2
1
2020
3
1
2021
1
1
2021
2
1
2021
3
1
2022
1
1
2022
2
1
2022
3
1
2023
1
1
2023
2
1
2023
3
1
2024
1
1
2024
2
1
2024
3
1
2025
1
1
2025
2
1
2025
3
1
2026
1
1
2026
2
1
2026
3
1
2027
1
1
2027
2
1
2027
3
1
2028
1
1
2028
2
1
2028
3
1
2029
1
1
2029
2
1
2029
3
1
2030
1
1
2030
2
1

fuelEng
Fraction
0
0 089744
0 128205
0 782051
0 149533
0 850467
0
0
0 479592
0 520408
0 121212
0 030303
0 848485
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1

Source
TypeID
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42
42

Model
Fuel
Eng
YearID TypeID TechID
2030
3
1
2031
1
1
2031
2
1
2031
3
1
2032
1
1
2032
2
1
2032
3
1
2033
1
1
2033
2
1
2033
3
1
2034
1
1
2034
2
1
2034
3
1
2035
1
1
2035
2
1
2035
3
1
2036
1
1
2036
2
1
2036
3
1
2037
1
1
2037
2
1
2037
3
1
2038
1
1
2038
2
1
2038
3
1
2039
1
1
2039
2
1
2039
3
1
2040
1
1
2040
2
1
2040
3
1
2041
1
1
2041
2
1
2041
3
1
2042
1
1
2042
2
1
2042
3
1
2043
1
1
2043
2
1
2043
3
1
2044
1
1
2044
2
1
2044
3
1
2045
1
1
2045
2
1
2045
3
1
2046
1
1
2046
2
1
2046
3
1
2047
1
1
2047
2
1
2047
3
1
2048
1
1
2048
2
1
2048
3
1
2049
1
1
2049
2
1
2049
3
1
2050
1
1
2050
2
1
2050
3
1

fuelEng
Fraction
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
1
0