2002 Periodic Emissions Inventory
for
PM10

for the
Maricopa County, Arizona, Nonattainment Area

June 2004
Revised March 2006

This emissions inventory has been prepared by:
Bob Downing
Dena Konopka
Matt Poppen
Eric Raisanen
Maricopa County Environmental Services Department
1001 N. Central Ave. Suite 250
Phoenix, AZ 85004

Ruey-in Chiou
Steve Ochs
Roger Roy
Maricopa Association of Governments
302 N. 1st Ave. Suite 300
Phoenix, AZ 85003

with additional contributions and/or review by:
Randy Sedlacek
Peter Hyde
Arizona Department of Environmental Quality
1101 W. Washington St.
Phoenix, AZ 85007
Bob Farrell
Pima County Air Quality Control District
P.O. Box 987
Florence, AZ 85232
Alison K. Pollock
Cuong Tran
Christian Lindjhem
Gerry Mansell
Till Stoeckenius
ENVIRON International Corp.
101 Rowland Way
Novato, CA 94945

Table of Contents
1. Introduction .............................................................................................................................. 1
1.1
1.2
1.3
1.4
1.5

Overview............................................................................................................................ 1
Agencies responsible for the emissions inventory............................................................. 1
Temporal scope.................................................................................................................. 2
Geographic scope............................................................................................................... 2
Overview of local demographic and land-use data............................................................ 3
1.5.1 Demographic profile ............................................................................................... 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............................................................................................................ 5
1.6.3 Nonroad mobile sources ......................................................................................... 5
1.6.4 Onroad mobile sources ........................................................................................... 6
1.6.5 Biogenic sources ..................................................................................................... 7
1.6.6 Summary of emissions by source category............................................................. 7
1.7 References........................................................................................................................ 14

2. Point Sources .......................................................................................................................... 15
2.1 Introduction and scope..................................................................................................... 15
2.2 Identification of point sources ......................................................................................... 16
2.3 Procedures for estimating emissions from point sources ................................................ 20
2.3.1 Sources with air quality permits issued by Maricopa County Environmental
Services Department (MCESD)............................................................................ 20
2.3.1.1 Calculation of PM2.5 emissions................................................................ 21
2.3.1.2 Application of rule effectiveness ............................................................. 21
2.3.1.3 Example 1: United Metro Materials Plant #11 ........................................ 22
2.3.1.4 Example 2: 23rd Ave. Wastewater Treatment Plant ............................... 22
2.3.2 Sources with air quality permits issued by Pinal County Air Quality Control
District................................................................................................................... 23
2.4 Detailed overview of point source emissions .................................................................. 23
2.4.1 Point source emissions by geographic location .................................................... 23
2.4.2 Point source emissions by process type ................................................................ 27
2.5 Emission reduction credits............................................................................................... 35
2.6 Summary of point source emissions ................................................................................ 35
2.7 Quality assurance / quality control procedures................................................................ 36
2.7.1 Emission survey preparation and data collection.................................................. 36
2.7.2 Submission processing.......................................................................................... 37
2.7.3 Analysis of annual point source emissions data for this inventory....................... 37
2.8 References........................................................................................................................ 38
3. Area Sources ........................................................................................................................... 39
3.1 Scope and methodology................................................................................................... 39
3.2 Fuel combustion............................................................................................................... 40
3.2.1 Industrial natural gas............................................................................................. 41

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3.2.2 Industrial fuel oil................................................................................................... 42
3.2.3 Commercial/institutional natural gas .................................................................... 44
3.2.4 Commercial/institutional fuel oil .......................................................................... 45
3.2.5 Residential natural gas .......................................................................................... 47
3.2.6 Residential wood combustion ............................................................................... 47
3.2.7 Residential fuel oil ................................................................................................ 49
3.2.8 Summary of all area-source fuel combustion ....................................................... 49
3.3 Industrial processes.......................................................................................................... 50
3.3.1 Chemical manufacturing....................................................................................... 50
3.3.2 Food and kindred products.................................................................................... 52
3.3.2.1 Commercial cooking................................................................................ 52
3.3.2.2 Grain handling/processing ....................................................................... 53
3.3.2.3 Ammonia cold storage............................................................................. 54
3.3.3 Secondary metal production ................................................................................. 54
3.3.4 Non-metallic mineral processes............................................................................ 55
3.3.5 Mining and quarrying ........................................................................................... 56
3.3.6 Wood product manufacturing ............................................................................... 57
3.3.7 Rubber/plastics manufacturing ............................................................................. 58
3.3.8 Fabricated metal products manufacturing............................................................. 60
3.3.9 Construction.......................................................................................................... 61
3.3.10 Electrical equipment manufacturing ..................................................................... 63
3.3.11 State-permitted portable sources........................................................................... 65
3.3.12 Paved/unpaved road travel on industrial sites....................................................... 66
3.3.13 Industrial processes not elsewhere classified (NEC) ............................................ 67
3.3.14 Summary of all area-source industrial processes.................................................. 68
3.4 Waste treatment and disposal .......................................................................................... 69
3.4.1 On-site incineration............................................................................................... 69
3.4.2 Open burning ........................................................................................................ 70
3.4.3 Landfills ................................................................................................................ 72
3.4.4 Publicly owned treatment works (POTWs) .......................................................... 73
3.4.5 Other industrial waste disposal ............................................................................. 73
3.4.6 Summary of all area-source waste disposal .......................................................... 74
3.5 Miscellaneous area sources.............................................................................................. 74
3.5.1 Other combustion.................................................................................................. 74
3.5.1.1 Wildfires and brush fires ......................................................................... 74
3.5.1.2 Structure fires........................................................................................... 76
3.5.1.3 Vehicle fires............................................................................................. 77
3.5.1.4 Engine testing .......................................................................................... 78
3.5.2 Agricultural crops ................................................................................................. 78
3.5.2.1 Tilling ...................................................................................................... 78
3.5.2.2 Harvesting................................................................................................ 83
3.5.2.3 Cotton ginning ......................................................................................... 85
3.5.2.4 Fertilizer application................................................................................ 85
3.5.3 Livestock............................................................................................................... 86
3.5.4 Health services: crematories ................................................................................. 87
3.5.5 Accidental releases................................................................................................ 88
3.5.6 Humans ................................................................................................................. 89
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3.5.7 Windblown dust .................................................................................................... 89
3.5.8 Summary of all miscellaneous area sources ......................................................... 90
3.6 Summary of all area sources............................................................................................ 91
3.7 Quality assurance / quality control procedures................................................................ 94
3.8 References........................................................................................................................ 95
4. Nonroad Mobile Sources........................................................................................................ 99
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16

Introduction...................................................................................................................... 99
Agricultural equipment.................................................................................................. 101
Airport ground support equipment ................................................................................ 102
Commercial equipment.................................................................................................. 103
Construction and mining equipment.............................................................................. 104
Industrial equipment ...................................................................................................... 104
Lawn and garden equipment.......................................................................................... 105
Logging equipment........................................................................................................ 106
Pleasure craft ................................................................................................................. 106
Railway maintenance equipment ................................................................................... 107
Recreational equipment ................................................................................................. 108
Aircraft........................................................................................................................... 108
Locomotives .................................................................................................................. 112
Summary of all nonroad mobile source emissions ........................................................ 113
Quality assurance procedures ........................................................................................ 114
References...................................................................................................................... 114

5. Onroad Mobile Sources ....................................................................................................... 115
5.1
5.2
5.3
5.4
5.5

Introduction.................................................................................................................... 115
VMT estimation procedure............................................................................................ 116
Speed estimation procedure........................................................................................... 119
Monthly VMT factors.................................................................................................... 120
Emission factor estimation procedure ........................................................................... 121
5.5.1 Emission factor model ........................................................................................ 121
5.5.2 Development of MOBILE6.2 model inputs........................................................ 123
5.5.3 Model outputs ..................................................................................................... 128
5.5.4 Summary of emission factors.............................................................................. 128
5.5.5 Emission estimates.............................................................................................. 128
5.6 Summary of particulate emissions from onroad mobile sources................................... 169
5.7 Quality assurance process.............................................................................................. 179
5.7.1 VMT estimates.................................................................................................... 179
5.7.2 Emission factor estimates ................................................................................... 179
5.7.3 Quality review of 2002 draft particulate matter emissions inventory................. 180
5.8 References...................................................................................................................... 180

6. Biogenic Sources ................................................................................................................... 181
6.1 Introduction and scope................................................................................................... 181
6.2 Modeling domain adjustments....................................................................................... 181
6.3 Land-use categories ....................................................................................................... 182

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6.4
6.5
6.6
6.7

Derivation of emission factors....................................................................................... 183
Meteorological inputs .................................................................................................... 185
Summary of emissions from biogenic sources .............................................................. 186
References...................................................................................................................... 186

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

Chapter authors and QA/QC contacts. ......................................................................1
Demographic profile of Maricopa County and the PM10 nonattainment area. .........3
Land-use categories used to apportion emissions. ....................................................4
Summary of annual and typical daily emissions from point sources in
Maricopa County.......................................................................................................4
Table 1.6–2. Summary of annual and typical daily emissions from point sources in the PM10
NAA. .........................................................................................................................5
Table 1.6–3. Summary of annual and typical daily emissions from area sources in Maricopa
County. ......................................................................................................................5
Table 1.6–4. Summary of annual and typical daily emissions from area sources in the PM10
NAA. .........................................................................................................................5
Table 1.6–5. Annual and typical daily emissions from nonroad mobile sources in Maricopa
County. ......................................................................................................................6
Table 1.6–6. Annual and typical daily emissions from all nonroad mobile sources in the
PM10 NAA.................................................................................................................6
Table 1.6–7. Annual and typical daily emissions from all onroad mobile sources in
Maricopa County.......................................................................................................6
Table 1.6–8. Annual and typical daily emissions from all onroad mobile sources in the PM10
NAA. .........................................................................................................................7
Table 1.6–9. Annual and season-day NOx emissions from biogenic sources. ...............................7
Table 1.6–10. Summary of annual emissions by source category, 1994–2002 (tons/yr). .............14
Table 2.2–1. Number of stationary point sources by location and permitting authority..............16
Table 2.2–2. Name and location of all point sources. ..................................................................17
Table 2.4–1. Annual and typical daily point source emissions, by facility..................................23
Table 2.4–2. Annual and typical daily point source emissions, by process type. ........................27
Table 2.5–1. Emission reduction credits. .....................................................................................35
Table 2.6–1. Summary of annual and typical daily point source emissions, by source
category. ..................................................................................................................35
Table 3.1–1. List of area-source categories..................................................................................39
Table 3.2–1. Maricopa County natural gas sales data by supply company and end-user
category. ..................................................................................................................40
Table 3.2–2. Emission factors and annual emissions from area-source industrial natural gas
combustion, by combustion type. ...........................................................................41
Table 3.2–3. Annual and typical daily emissions from area-source industrial natural gas
combustion. .............................................................................................................42
Table 3.2–4. Emission factors and annual emissions from area-source industrial fuel oil
combustion, by combustion type. ...........................................................................43
Table 3.2–5. Annual and typical daily emissions from area-source industrial fuel oil
combustion. .............................................................................................................43
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Table 3.2–6. Emission factors and annual emissions from area-source
commercial/institutional natural gas combustion, by combustion type. .................44
Table 3.2–7. Annual and typical daily emissions from area-source commercial/institutional
natural gas combustion............................................................................................45
Table 3.2–8. Emission factors and annual emissions from area-source
commercial/institutional fuel oil combustion, by combustion type. .......................46
Table 3.2–9. Annual and typical daily emissions from area-source commercial/institutional
fuel oil combustion..................................................................................................46
Table 3.2–10. Residential natural gas combustion emission factors (in lb/MMCF). ....................47
Table 3.2–11. Annual and typical daily emissions from residential natural gas combustion. .......47
Table 3.2–12. Annual wood usage, emission factors, and annual emissions from residential
wood combustion. ...................................................................................................48
Table 3.2–13. Annual and typical daily emissions from residential wood combustion. ...............49
Table 3.2–14. Annual and typical daily emissions from residential fuel oil combustion. .............49
Table 3.2–15. Annual and typical daily emissions from all area-source fuel combustion for
Maricopa County.....................................................................................................50
Table 3.2–16. Annual and typical daily emissions from all area-source fuel combustion for
the PM10 NAA.........................................................................................................50
Table 3.3–1. NAICS codes and descriptions for chemical manufacturing. .................................50
Table 3.3–2. Annual and typical daily emissions from area-source chemical manufacturing.....52
Table 3.3–3. Maricopa County restaurants by type. ....................................................................52
Table 3.3–4. Annual emissions from commercial cooking equipment, by equipment type. .......52
Table 3.3–5. Typical daily emissions from commercial cooking equipment, by equipment
type..........................................................................................................................53
Table 3.3–6. Annual and typical daily emissions from commercial cooking equipment. ...........53
Table 3.3–7. Annual and typical daily emissions from area-source grain handling and
processing................................................................................................................53
Table 3.3–8. Annual and typical daily NH3 emissions from ammonia cold storage. ..................54
Table 3.3–9. Annual and typical daily emissions from secondary metal production. .................55
Table 3.3–10. Annual and typical daily emissions from area-source non-metallic mineral
products. ..................................................................................................................56
Table 3.3–11. Annual and typical daily emissions from area-source mining and quarrying
operations. ...............................................................................................................56
Table 3.3–12. NAICS codes and descriptions for wood product manufacturing. .........................57
Table 3.3–13. Annual and typical daily emissions from area-source wood products
manufacturing. ........................................................................................................58
Table 3.3–14. NAICS codes and descriptions for rubber and plastic manufacturing facilities. ....59
Table 3.3–15. Annual and typical daily emissions from area-source rubber/plastic products
manufacturing. ........................................................................................................60
Table 3.3–16. Annual and typical daily emissions from area-source fabricated metal product
manufacturing. ........................................................................................................61
Table 3.3–17. 2002 Maricopa County earthmoving permits issued, by type. ...............................61
Table 3.3–18. Average project duration and emission factor, by permit type. ..............................62
Table 3.3–19. Annual emissions from construction (tons/yr)........................................................63
Table 3.3–20. Annual and typical daily emissions from construction. ..........................................63
Table 3.3–21. NAICS codes and descriptions for electric equipment manufacturing...................64
Table 3.3–22. Annual and typical daily emissions from area-source electric equipment
manufacturing. ........................................................................................................65
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Table 3.3–23. Emissions from ADEQ-permitted portable sources, by permit type. .....................66
Table 3.3–24. Annual and typical daily emissions from paved and unpaved road travel at
industrial facilities...................................................................................................67
Table 3.3–25. Annual and typical daily emissions from other industrial processes not
elsewhere classified.................................................................................................68
Table 3.3–26. Annual and typical daily emissions from all area-source industrial processes in
Maricopa County.....................................................................................................68
Table 3.3–27. Annual and typical daily emissions from all area-source industrial processes in
the PM10 NAA.........................................................................................................69
Table 3.4–1. Annual and typical daily emissions from on-site incineration................................70
Table 3.4–2. 2002 Maricopa County burn permit activity data. ..................................................70
Table 3.4–3. Emission and fuel loading factors for open burning. ..............................................70
Table 3.4–4. Annual emissions from open burning in Maricopa County. ...................................71
Table 3.4–5. Surrogate land-use classes, ratios, and annual emissions from open burning in
the PM10 NAA.........................................................................................................72
Table 3.4–6. Typical daily emissions from open burning............................................................72
Table 3.4–7. Annual and typical daily emissions from landfills..................................................73
Table 3.4–8. NH3 emissions from publicly-owned treatment works (POTWs)...........................73
Table 3.4–9. Annual and typical daily emissions from other industrial waste disposal. .............73
Table 3.4–10. Annual and typical daily emissions from all area-source waste disposal for
Maricopa County.....................................................................................................74
Table 3.4–11. Annual and typical daily emissions from all area-source waste disposal for the
PM10 NAA...............................................................................................................74
Table 3.5–1. Emission and fuel loading factors for wildfires and brush fires. ............................75
Table 3.5–2. Annual emissions from wildfires and brush fires (tons/yr).....................................75
Table 3.5–3. Typical daily emissions from wildfires and brush fires (lbs/day)...........................75
Table 3.5–4. Estimated material burned, emission and fuel loading factors for structure fires...76
Table 3.5–5. Annual and typical daily emissions from structure fires.........................................77
Table 3.5–6. Estimated material burned, fuel loading factors, and emission factors for
vehicle fires. ............................................................................................................77
Table 3.5–7. Annual and typical daily emissions from vehicle fires. ..........................................78
Table 3.5–8. Annual and typical daily emissions from engine testing. .......................................78
Table 3.5–9. 2002 Maricopa County agricultural crop acreage, activity, and uncontrolled
annual PM10 emissions............................................................................................79
Table 3.5–10. Annual controlled PM10 emissions from agricultural tillage in Maricopa
County. ....................................................................................................................80
Table 3.5–11. Annual controlled PM10 and PM2.5 emissions from agricultural tillage. ................81
Table 3.5–12. Controlled typical daily emissions from tillage in Maricopa County. ....................82
Table 3.5–13. Controlled annual and typical daily emissions from tillage within the PM10
NAA. .......................................................................................................................82
Table 3.5–14. Maricopa County harvested acres and emission factors. ........................................83
Table 3.5–15. Annual emissions from harvesting (tons/yr). ..........................................................84
Table 3.5–16. Typical daily emissions from harvesting (lbs/day). ................................................84
Table 3.5–17. Annual and typical daily emissions from area-source cotton ginning. ...................85
Table 3.5–18. Annual and typical daily ammonia emissions from fertilizer application. .............86
Table 3.5–19. Maricopa County cattle inventory and emission factors.........................................87
Table 3.5–20. Annual and typical daily emissions from cattle feedlots and dairies. .....................87
Table 3.5–21. Annual and typical daily emissions from crematories. ...........................................88
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Table 3.5–22. Annual and typical daily emissions from accidental releases.................................89
Table 3.5–23. Annual and typical daily NH3 emissions from human activity...............................89
Table 3.5–24. 1995 and 2001 emissions from windblown dust for the PM10 nonattainment
area. .........................................................................................................................89
Table 3.5–25. Annual and daily emissions from windblown dust within the PM10
nonattainment area. .................................................................................................90
Table 3.5–26. Annual and daily emissions from windblown dust in Maricopa County................90
Table 3.5–27. Annual and typical daily emissions from all miscellaneous area sources for
Maricopa County.....................................................................................................91
Table 3.5–28. Annual and typical daily emissions from all miscellaneous area sources for the
PM10 NAA...............................................................................................................91
Table 3.6–1. Summary of annual and typical daily emissions from all area sources in
Maricopa County.....................................................................................................92
Table 3.6–2. Summary of annual and typical daily emissions from all area sources in the
PM10 NAA...............................................................................................................93
Table 4.1–1. Default weekday and weekend day activity allocation fractions. .........................101
Table 4.2–1. Annual emissions (in tons/yr) from agricultural equipment in Maricopa
County. ..................................................................................................................101
Table 4.2–2. Annual emissions (in tons/yr) from agricultural equipment in the PM10 NAA. ...102
Table 4.2–3. Typical daily emissions (in lbs/day) from agricultural equipment in Maricopa
County. ..................................................................................................................102
Table 4.2–4. Typical daily emissions (in lbs/day) from agricultural equipment in the PM10
nonattainment area. ...............................................................................................102
Table 4.3–1. Annual emissions (in tons/yr) from airport ground support equipment................103
Table 4.3–2. Typical daily emissions (in lbs/day) from airport ground support equipment......103
Table 4.4–1. Annual emissions (in tons/yr) from commercial equipment.................................103
Table 4.4–2. Typical daily emissions (in lbs/day) from commercial equipment.......................104
Table 4.5–1. Annual emissions (in tons/yr) from construction and mining equipment.............104
Table 4.5–2. Typical daily emissions (in lbs/day) from construction and mining equipment...104
Table 4.6–1. Annual emissions (in tons/yr) from industrial equipment.....................................105
Table 4.6–2. Typical daily emissions (in lbs/day) from industrial equipment...........................105
Table 4.7–1. Annual emissions (in tons/yr) from lawn and garden equipment. ........................105
Table 4.7–2. Typical daily emissions (in lbs/day) from lawn and garden equipment. ..............106
Table 4.8–1. Annual emissions (in tons/yr) from logging equipment. ......................................106
Table 4.8–2. Typical daily emissions (in lbs/day) from logging equipment..............................106
Table 4.9–1. Annual emissions (in tons/yr) from pleasure craft equipment. .............................107
Table 4.9–2. Typical daily emissions (in lbs/day) from pleasure craft equipment. ...................107
Table 4.10–1. Annual emissions (in tons/yr) from railway maintenance equipment. .................107
Table 4.10–2. Typical daily emissions (in lbs/day) from railway maintenance equipment.........108
Table 4.11–1. Annual emissions (in tons/yr) from recreational equipment.................................108
Table 4.11–2. Typical daily emissions (in lbs/day) from recreational equipment.......................108
Table 4.12–1. NEI default emission factors (lbs/LTO), and conversion factors, by aircraft
type........................................................................................................................109
Table 4.12–2. 2002 airport activity data, emission calculation methods, and emission factors. .110
Table 4.12–3. Annual and typical daily emissions, by airport and aircraft type..........................111
Table 4.13–1. Emission factors for locomotives..........................................................................112
Table 4.13–2. Fuel use and annual emissions from locomotives in Maricopa County. ..............112
Table 4.13–3. Annual emissions (in tons/yr) from locomotives in the PM10 NAA.....................112
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Table 4.13–4. Typical daily emissions (in lbs/day) from locomotives in Maricopa County.......113
Table 4.13–5. Typical daily emissions (in lbs/day) from locomotives in the PM10
nonattainment area. ...............................................................................................113
Table 4.14–1. Annual and typical daily emissions from nonroad mobile sources in Maricopa
County. ..................................................................................................................113
Table 4.14–2. Annual and typical daily emissions from nonroad mobile sources in the PM10
NAA. .....................................................................................................................114
Table 5.2–1. 2002 HPMS VMT by area type and facility type for the PM10 nonattainment
area (annual average daily traffic).........................................................................117
Table 5.2–2. 2002 HPMS VMT by area type and facility type for Maricopa County (annual
average daily traffic). ............................................................................................117
Table 5.2–3. VMT by silt loading category (percent of VMT in each silt loading category). ..118
Table 5.3–1. Average daily speeds (mph) for the 2002 periodic emissions inventory. .............119
Table 5.4–1. Average daily VMT estimate factors by month....................................................120
Table 5.5–1. Paved road fugitive dust emissions. ......................................................................123
Table 5.5–2. Unpaved road fugitive dust emissions. .................................................................123
Table 5.5–3. Daily PM10 emissions in the PM10 nonattainment area by facility type, vehicle
class and area type (excludes fugitive dust)..........................................................129
Table 5.5–4. Daily PM2.5 emissions in the PM10 nonattainment area by facility type, vehicle
class and area type (excludes fugitive dust. ..........................................................133
Table 5.5–5. Daily NOx emissions in the PM10 nonattainment area by facility type, vehicle
class and area type.................................................................................................137
Table 5.5–6. Sulfur dioxide (gaseous) emissions in the PM10 nonattainment area by facility
type, vehicle class and area type. ..........................................................................141
Table 5.5–7. Daily ammonia emissions in the PM10 nonattainment area by facility type,
vehicle class and area type. ...................................................................................145
Table 5.5–8. Daily PM10 Emissions in Maricopa County by facility type, vehicle class and
area type (excludes fugitive dust). ........................................................................149
Table 5.5–9. Daily PM2.5 emissions in Maricopa County by facility type, vehicle class and
area type (excludes fugitive dust). ........................................................................153
Table 5.5–10. Daily NOx emissions in Maricopa County by facility type, vehicle class and
area type (annual average day)..............................................................................157
Table 5.5–11. Daily sulfur dioxide (gaseous) emissions in Maricopa County by facility type,
vehicle class and area type. ...................................................................................161
Table 5.5–12. Daily ammonia emissions in Maricopa County by facility type, vehicle class
and area type. ........................................................................................................165
Table 5.6–1. Annual and average daily emissions from all onroad mobile sources for
Maricopa County...................................................................................................169
Table 5.6–2. Annual and average daily emissions from all onroad mobile sources for the
PM10 nonattainment area.......................................................................................169
Table 5.6–3. Daily PM10 emissions (kg/day) in the PM10 NAA by facility type, area type
and vehicle class (annual average, excluding fugitive dust particulate matter)....170
Table 5.6–4. Daily PM2.5 emissions (kg/day) in the PM10 NAA by facility type, area type
and vehicle class (annual average, excluding fugitive dust particulate matter)....171
Table 5.6–5. Daily NOx emissions (kg/day) in the PM10 NAA by facility type, area type and
vehicle class (annual average)...............................................................................172
Table 5.6–6. Daily SO2 emissions (kg/day) in the PM10 NAA by facility type, area type and
vehicle class (annual average)...............................................................................173
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Table 5.6–7. Daily ammonia emissions (kg/day) in the PM10 NAA by facility type, area type
and vehicle class (annual average)........................................................................174
Table 5.6–8. Daily PM10 emissions (kg/day) in Maricopa County by facility type, area type
and vehicle class (annual average, excluding fugitive dust particulate matter.)...175
Table 5.6–9. Daily PM2.5 emissions (kg/day) in Maricopa County by facility type, area type
and vehicle class (annual average, excluding fugitive dust particulate matter)....176
Table 5.6–10. Daily NOx emissions(kg/day) in Maricopa County by facility type, area type
and vehicle class (annual average)........................................................................177
Table 5.6–11. Daily SO2 emissions (kg/day) in Maricopa County by facility type, area type
and vehicle class (annual average)........................................................................178
Table 5.6–12. Daily ammonia emissions (kg/day) in Maricopa County by facility type, area
type and vehicle class (annual average). ...............................................................179
Table 6.3–1. MAG 2000 land-use categories.............................................................................183
Table 6.3–2. Land-use categories from BELD3 used in the emission inventory.......................183
Table 6.4–1. NOx standardized emission factors, by land-use category. ...................................184
Table 6.4–2. Maricopa County crop statistics for 2002. ............................................................184
Table 6.4–3. Distribution of harvested cropland and total cropland..........................................185
Table 6.5–1. Information for surface temperature monitoring sites. .........................................186
Table 6.6–1. Summary of biogenic source NOx emissions (annual and average day). .............186

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List of Figures
Figure 1.4–1. Map of Maricopa County and the CO, ozone, and PM10 nonattainment areas.........2
Figure 1.6–1. Annual PM10 emissions in the PM10 nonattainment area, by source category
(tons/yr). ....................................................................................................................8
Figure 1.6–2. Annual PM2.5 emissions in the PM10 nonattainment area, by source category
(tons/yr). ....................................................................................................................8
Figure 1.6–3. Annual NOx emissions in the PM10 nonattainment area, by source category
(tons/yr). ....................................................................................................................9
Figure 1.6–4. Annual SOx emissions in the PM10 nonattainment area, by source category
(tons/yr). ....................................................................................................................9
Figure 1.6–5. Annual NH3 emissions in the PM10 nonattainment area, by source category
(tons/yr). ..................................................................................................................10
Figure 1.6–6. Typical daily PM10 emissions in the PM10 nonattainment area, by source
category (lbs/day)....................................................................................................10
Figure 1.6–7. Typical daily PM2.5 emissions in the PM10 nonattainment area, by source
category (lbs/day)....................................................................................................11
Figure 1.6–8. Typical daily NOx emissions in the PM10 nonattainment area, by source
category (lbs/day)....................................................................................................11
Figure 1.6–9. Typical daily SOx emissions in the PM10 nonattainment area, by source
category (lbs/day)....................................................................................................12
Figure 1.6–10. Typical daily NH3 emissions in the PM10 nonattainment area, by source
category (lbs/day)....................................................................................................12
Figure 1.6–11. Annual emissions in the PM10 nonattainment area, by source category (TPY).....13
Figure 1.6–12. Typical daily emissions in the PM10 nonattainment area, by source category
(lb/day). ...................................................................................................................13
Figure 2.7–1. Data flow for annual point source emission inventory reporting............................36
Figure 6.2–1. PM10 nonattainment area, Maricopa County, and biogenic modeling domains
(northern & southern grid outlines). .....................................................................182

Appendices
Appendix 2.1 Instructions for Reporting 2002 Annual Air Pollution Emissions
Appendix 2.2 Sample Rule Effectiveness (RE) Survey Form
Appendix 3.1 2002 Maricopa County Agricultural Pesticide Application
Appendix 3.2 2002 Fire Department Survey Results
Appendix 5.1
Appendix 5.2
Appendix 5.3
Appendix 5.4
Appendix 5.5
Appendix 5.6
Appendix 5.7

Traffic Information
MOBILE6.2 Inputs, Outputs, and Spreadsheet
Vehicle Registration Data
Minimum and Maximum Temperature Calculations
VMT Reasonableness Calculations
FORTRAN Source Code for Emission Factor Weighting Program
Monthly Gasoline Data

2002 PM10 Periodic Emission Inventory (Rev. 3/06)

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Maricopa County, AZ