2013 AIR MONITORING FINAL NETWORK PLAN Publication Date: December 08, 2014 2013 Final Air Monitoring Network Review 1 Maricopa County Air Quality Department ACKNOWLEDGEMENTS In 2013, the Maricopa County Air Quality Department’s (MCAQD) Air Monitoring Division (AMD) maintained 24 ambient air monitoring sites throughout Maricopa County. The AMD has seventeen team members including: one manager, two technician supervisors, two engineers, one data analyst, and eleven technicians. The division would especially like to thank all of its air monitoring personnel and two on-loan personnel for the excellent job in helping to maintain Maricopa County’s air monitoring networks. They are Ben Davis, Gary Ensminger, Robert Dyer, Ronald Pope, Ceresa Stewart, Casey Bryan, John Neff, Tom Shorb, Chris Hernandez, Hugh Tom, Steve Sample, Daniel Daniels, Michelle Mada, Robert Sawicki, Reynaldo Santillano, Larry Seals, Alex Herrera, Freddie Alejandro, Tom Dubishar, and David Dubiel. In addition, the AMD gratefully acknowledges the assistance of other agencies, which provided data and helpful comments to this review. These include the Arizona Department of Environmental Quality (ADEQ), Pinal County Air Quality Control District (PCAQCD), and the Maricopa Association of Governments (MAG). 2014 Maricopa County Air Quality Department Air Monitoring Division Team 2013 Final Air Monitoring Network Review 2 Maricopa County Air Quality Department Table of Contents ACKNOWLEDGEMENTS ................................................................................................................................................... 2 ABSTRACT ............................................................................................................................................................................ 7 DEFINITION OF TERMS .................................................................................................................................................... 8 CRITERIA POLLUTANT INFORMATION.................................................................................................................... 12 Abstract of Pollutants ..................................................................................................................................................... 12 Causes and Characteristics of Pollutants ........................................................................................................................ 12 The National Ambient Air Quality Standards (NAAQS) .............................................................................................. 15 NETWORK DESIGN .......................................................................................................................................................... 16 Abstract of MCAQD’s Pollution Monitoring Strategies ................................................................................................ 16 Monitoring Objectives .................................................................................................................................................... 16 Monitoring Site Types .................................................................................................................................................... 17 Spatial Scales of Monitoring .......................................................................................................................................... 17 Locating Monitors .......................................................................................................................................................... 18 Overview of the MCAQD’s Air Monitoring Network ................................................................................................... 18 2013 SUMMARY OF NETWORK RESULTS AND REQUIRED INFORMATION ................................................... 23 Determining Data Quality and Acceptability ................................................................................................................. 23 Increasing Data Quantities ............................................................................................................................................. 24 Criteria Pollutant Summary ............................................................................................................................................ 25 2013 NAAQS Exceedance and Violation Summary ...................................................................................................... 39 2013 O3 Exceedance and Violation Details .................................................................................................................... 39 2013 Exceedances of the 24-Hour PM10 Standard ......................................................................................................... 42 2013 Violations of the 24-Hour PM10 Standard ............................................................................................................. 43 Exceptional Events for PM10 .......................................................................................................................................... 44 2013 Exceedances of the 24-Hour PM2.5 Standard ......................................................................................................... 45 Pollution Trends ............................................................................................................................................................. 46 Special Projects and Network Changes .......................................................................................................................... 50 Seasonal Monitors .......................................................................................................................................................... 50 The Consideration of Additional Sites/Monitors ............................................................................................................ 50 Other Network Changes/Special Projects/Comments .................................................................................................... 51 ADDITIONAL COMMENTS ............................................................................................................................................. 56 Arizona Department of Environmental Quality Network............................................................................................... 56 EPA Air Pollution Mapping ........................................................................................................................................... 56 REFERENCES ..................................................................................................................................................................... 58 APPENDIX I - MONITORING SITE DETAILS (PHOTOS AND SPECIFIC INFORMATION) .............................. 59 BLUE POINT (BP) (04-013-9702) ........................................................................................................................................ 59 BUCKEYE (BE) (04-013-4011) ............................................................................................................................................ 60 CAVE CREEK (CC) (04-013-4008) ...................................................................................................................................... 61 CENTRAL PHOENIX (CP) (04-013-3002) ............................................................................................................................. 62 DEER VALLEY (DV) (04-013-4018) .................................................................................................................................... 63 DURANGO COMPLEX (DC) (04-013-9812) .......................................................................................................................... 64 DYSART (DY) (04-013-4010) ............................................................................................................................................. 65 FALCON FIELD (FF) (04-013-1010)..................................................................................................................................... 66 FOUNTAIN HILLS (FH) (04-013-9704) ................................................................................................................................ 67 GLENDALE (GL) (04-013-2001).......................................................................................................................................... 68 GREENWOOD (GR) (04-013-3010) ...................................................................................................................................... 69 HIGLEY (HI) (04-013-4006) ................................................................................................................................................ 70 HUMBOLDT MOUNTAIN (HM) (04-013-9508)..................................................................................................................... 71 MESA (ME) (04-013-1003) ................................................................................................................................................. 72 NORTH PHOENIX (NP) (04-013-1004)................................................................................................................................. 73 PINNACLE PEAK (PP) (04-013-2005) .................................................................................................................................. 74 2013 Final Air Monitoring Network Review 3 Maricopa County Air Quality Department RIO VERDE (RV) (04-013-9706) ......................................................................................................................................... 75 SOUTH PHOENIX (SP) (04-013-4003) .................................................................................................................................. 76 SOUTH SCOTTSDALE (SS) (04-013-3003) ........................................................................................................................... 77 TEMPE (TE) (04-013-4005)................................................................................................................................................. 78 WEST CHANDLER (WC) (04-013-4004) .............................................................................................................................. 79 WEST 43RD AVENUE (WF) (04-013-4009) ........................................................................................................................... 80 WEST PHOENIX (WP) (04-013-0019) .................................................................................................................................. 81 ZUNI HILLS (ZH) (04-013-4016)......................................................................................................................................... 82 APPENDIX II – EPA-REQUIRED DATA ........................................................................................................................ 83 Required General Statement Regarding Changes to the PM2.5 Network ........................................................................ 83 Notes Regarding Appendix Data .................................................................................................................................... 83 APPENDIX III - PUBLIC NOTICE AND COMMENT INFORMATION .................................................................. 109 2013 Final Air Monitoring Network Review 4 Maricopa County Air Quality Department List of Tables Table 1 National Ambient Air Quality Standards .................................................................................................................. 15 Table 2 Site Monitoring Types ............................................................................................................................................... 17 Table 3 Spatial Scales of Representativeness ......................................................................................................................... 17 Table 4 Maricopa County Ambient Air Monitoring Sites for 2013 ...................................................................................... 20 Table 5 Criteria Pollutants Monitored by Site and Network .................................................................................................. 20 Table 6 Site Location ............................................................................................................................................................. 21 Table 7 Site Instrument Setup ................................................................................................................................................ 22 Table 8 2013 Criteria Pollutant Data Completeness............................................................................................................... 23 Table 9 2013 Total Quantity of Data ...................................................................................................................................... 24 Table 10 2013 8-hour Average Carbon Monoxide Summary ................................................................................................ 26 Table 11 CO Data Required by EPA ...................................................................................................................................... 26 Table 12 2013 Pb Summary ................................................................................................................................................... 27 Table 13 Pb Data Required by EPA ....................................................................................................................................... 28 Table 14 2013 Nitrogen Dioxide Summary ........................................................................................................................... 29 Table 15 Nitrogen Dioxide Data Required by EPA ............................................................................................................... 29 Table 16 2013 8-hour Average Ozone Summary ................................................................................................................... 31 Table 17 Ozone Data Required by EPA ................................................................................................................................. 31 Table 18 2013 PM10 Summary ............................................................................................................................................... 33 Table 19 PM10 Data Required by EPA ................................................................................................................................... 33 Table 20 2013 PM2.5 Summary for the Filter-based FRM Monitor........................................................................................ 35 Table 21 2013 PM2.5 Data Summary for the Continuous FEM Monitors .............................................................................. 35 Table 22 2013 PM2.5 3-Year Averages of 98th Percentile for FRM Monitors ........................................................................ 36 Table 23 2013 PM2.5 3-Year Averages of 98th Percentile for FEM Monitors ........................................................................ 36 Table 24 PM2.5 SLAMS Data Required by EPA .................................................................................................................... 36 Table 25 2013 Sulfur Dioxide Summary................................................................................................................................ 38 Table 26 Sulfur Dioxide Data Required by EPA.................................................................................................................... 38 Table 27 2013 NAAQS Exceedances and Violation Summary ............................................................................................. 39 Table 28 2013 Ozone 8-hour Average Exceedance Details ................................................................................................... 40 Table 29 2013 Ozone NAAQS Violations ............................................................................................................................. 41 Table 30 2013 PM10 24-hour Average Exceedance Details ................................................................................................... 42 Table 31 2013 Violations of the 24-hourPM10 Standard with EEs Shown ............................................................................. 43 Table 32 2013 Violations of the 24-hour PM10 Standard Excluding Approved EEs.............................................................. 44 Table 33 2013 PM2.5 Exceedances ......................................................................................................................................... 45 Table 34 Seasonal Monitors ................................................................................................................................................... 50 Table 35 Air Quality Index .................................................................................................................................................... 57 2013 Final Air Monitoring Network Review 5 Maricopa County Air Quality Department List of Figures Figure 1 2013 Air Monitoring Sites ....................................................................................................................................... 19 Figure 2 2013 Carbon Monoxide Monitoring Sites ................................................................................................................ 25 Figure 3 2013 Lead Monitoring Sites ..................................................................................................................................... 27 Figure 4 2013 Nitrogen Dioxide Monitoring Sites ................................................................................................................. 28 Figure 5 2013 Ozone Monitoring Sites .................................................................................................................................. 30 Figure 6 2013 PM10 Monitoring Sites .................................................................................................................................... 32 Figure 7 2013 PM2.5 Monitoring Sites .................................................................................................................................... 34 Figure 8 2013 Sulfur Dioxide Monitoring Sites ..................................................................................................................... 37 Figure 9 2013 Mulch Fire ....................................................................................................................................................... 51 Figure 10 Street view of site #1 (Diablo) ............................................................................................................................... 53 Figure 11 Aerial view of near-road site#2 .............................................................................................................................. 54 Figure 12 Street view of near-road site #2 ............................................................................................................................. 54 Figure 13 AQI Forecast Map .................................................................................................................................................. 56 Figure 14 Network Review Public Notice News Release .................................................................................................... 110 Figure 15 Network Review Workshop Attendance Sheet .................................................................................................... 111 List of Charts Chart 1 2011-2013 8-hr Avg. Carbon Monoxide Maximum Values ...................................................................................... 46 Chart 2 2011-2013 Nitrogen Dioxide Annual Average Readings .......................................................................................... 46 Chart 3 2011-2013 Ozone 4th Highest 8-hr Average ............................................................................................................. 47 Chart 4 2011-2013 PM10 24-hr Average Maximum Values ................................................................................................... 47 Chart 5 2011-2013 PM2.5 Annual Average ............................................................................................................................. 48 Chart 6 2011-2013 PM2.5 98th Percentile ................................................................................................................................ 48 Chart 7 2011-2013 Sulfur Dioxide Annual Average .............................................................................................................. 49 2013 Final Air Monitoring Network Review 6 Maricopa County Air Quality Department ABSTRACT This 2013 Annual Air Monitoring Network Review is respectfully submitted by the MCAQD to the United States Environmental Protection Agency (U.S. EPA) Region 9 office. The Air Monitoring Network Review evaluates the adequacy of the ambient air monitoring network with respect to the monitoring objectives and spatial scales. This annual assessment is required by 40 CFR Part 58, Subpart B §58.10. Network changes, special projects, and 3-year data summaries are included in the review. This network review is also preliminary to our annual data certification with the EPA and helps us assess the quality of our data before submitting for data certification. This network review has the secondary purpose of informing the public of air pollutants that can affect their health, how MCAQD monitors these pollutants, and what the actual readings are, so that our citizens can make informed decisions regarding their lifestyles. NOTE: This annual review was delayed and submitted to EPA Region 9 in November 2014. 2013 Final Air Monitoring Network Review 7 Maricopa County Air Quality Department DEFINITION OF TERMS ADEQ: Arizona Department of Environmental Quality ADT Average Daily Traffic count AMD Air Monitoring Division AQI: Air Quality Index. An index that applies to each criteria pollutant and shows the concentration of each pollutant relative to its respective standard. When the AQI reaches 101, the pollutant’s concentration has exceeded the NAAQS. AQS: Air Quality System. database. Attainment: This refers to the NAAQS used to comply with the federal Clean Air Act. After several years of no violations of the NAAQS, the EPA can classify the area as in attainment for that pollutant. AWT: Average Weekday Traffic count BAM: Beta Attenuation Monitor. A continuous particulate measuring instrument used by MCAQD to measure PM10. CAA: Clean Air Act CBSA: Core-Based Statistical Area CFR: Code of Federal Regulations are publications that contain federal government regulations Class I: Federally designated park or wilderness area with mandated visibility protection. CP: criteria pollutant OR the Central Phoenix site, depending upon context CO: Carbon monoxide Collocated: The practice of establishing a second pollutant monitor within a specified distance and of a specified type at a monitoring site for quality assurance purposes. Continuous monitoring: A method of monitoring air pollutants that is continually measuring the quantity of the pollutant, either gaseous or particulate. Continuous monitors can be used to obtain real-time or short-term averages of pollutants. Criteria Pollutants: Six pollutants (CO, O3, NO2, Pb, PM, and SO2) that have NAAQS established by the U.S. EPA. Delta T: Difference between two levels of temperature measurements. Delta T is measured in the MCAQD network at heights of 2 and 10 meters. A higher temperature at the upper level indicates a temperature inversion. Design Value: A design value is a statistic that describes the air quality status of a given area relative to the level of the NAAQS. For a concentration-based standard, the air quality design value is simply the standard-related test statistic. The design value 2013 Final Air Monitoring Network Review The Environmental Protection Agency’s ambient air 8 Maricopa County Air Quality Department of a pollutant monitoring network is the highest sample value in the network used to compare to the NAAQS; i.e., the 24-hour PM2.5 design value for the network is the monitor with the highest 3-year average of the 98th percentile. EBAM: E-Beta Attenuation Monitor is a rugged, portable, battery or solar-operated analyzer that is suitable for obtaining and reporting continuous measurements of particulate matter in remote locations. EBAMs are often equipped with wind speed and direction instrumentation as well. EBAMs are particularly useful for temporary measurements of PM related to an event. EPA: U. S. Environmental Protection Agency EE: An Exceptional Event (EE) is an uncontrollable event caused by natural sources of pollution or an event that is not expected to recur at a given location. The ADEQ makes the determination of which events to classify as exceptional; they then petition the EPA for acceptance of the classification. If the EPA accepts the petition, the measured pollution event will not be used in determination of compliance with the NAAQS. FDMS-TEOM: Filter Dynamics Measurement System-Tapered Element Oscillating Microbalance. A continuous particulate analyzer used by MCAQD to measure PM2.5. FEM: Federal Equivalency Method. An official method, i.e. equipment and procedure, of monitoring air pollution that has been determined to produce results similar to the Federal Reference Method (FRM). Filter-based Monitor: A method of monitoring particulate pollution that involves exposing a preweighed filter to a specific flow volume of air to capture the particulates in the air. The filters are then post-weighed to determine the mass of particulates per volume, e.g. µg/m3. All filter-based monitors used by MCAQD for collecting compliance data, i.e., data for NAAQS comparison, are FRM monitors. FRM: Federal Reference Method. An official method, i.e. equipment and procedure, of monitoring air pollution that has been tested and determined to produce results that accurately measure air pollution with acceptable precision. These methods are the baseline that all other methods refer to, e.g. Federal Equivalency Methods (FEM). HAPs: Hazardous air pollutants. An airborne chemical that has been listed in the federal Clean Air Act and has an associated standard or process requirement determined for it. MAG: Maricopa Association of Governments MCAQD: Maricopa County Air Quality Department µg/m3: micrograms per cubic meter MSA: Metropolitan Statistical Area is a geographical area designated by the federal government based on the concept of a core area with a large population nucleus, plus adjacent communities having a high degree of economic and social integration with that core. The AMD operates air monitoring stations within the Phoenix-Mesa MSA, which includes portions of Maricopa and Pinal County. 2013 Final Air Monitoring Network Review 9 Maricopa County Air Quality Department NAAQS: National Ambient Air Quality Standards. A health and welfare-based standard that is set by the U.S. EPA to qualify allowable levels of criteria pollutants. NCORE: National Core Multi-Pollutant Site. A national network of multi-pollutant monitoring sites used to represent the nation as a whole. There are currently ~75 NCORE sites (1-3 per state plus Washington D.C., Virgin Islands, and Puerto Rico) located in both urban and rural areas. NO2: Nitrogen dioxide. NOX: Nitrogen oxides. Sum of nitric oxide (NO), NO2, and other nitrogen-containing compounds. O3: Ozone Pb: Lead PM: Particulate matter, also known as “particulates” is material suspended in the air in the form of minute solid particles or liquid droplets. PM2.5: Particulate matter of 2.5 micrometers in aerometric diameter or smaller PM10: Particulate matter of 10 micrometers in aerometric diameter or smaller ppb: parts per billion ppm: parts per million RRNS Rapid Response Notification System is a communication tool used by MCAQD to manage high pollution events by alerting residents, intergovernmental personnel, and stakeholders of increasing PM concentrations. Primary Standard: One portion of the NAAQS. These standards are designed to protect public health. Secondary Standard: One portion of the NAAQS. environment. SIP: State Implementation Plan. SIPs are a collection of state and local regulations and plans to achieve healthy air quality under the Clean Air Act. SLAMS: State and Local Air Monitoring Station. The SLAMS consist of a network of approximately 5,000 monitoring stations nationwide whose size and distribution is largely determined by the needs of State and local air pollution control agencies to meet their respective State implementation plan (SIP) requirements. Other types of monitoring stations include: NCORE (national core) and SPM (special purpose). Currently, AMD does not operate an NCORE station, and we only operate one SPM site. SO2: Sulfur dioxide SPM: Special Purpose Monitor. A special purpose monitor provides data for special studies needed by the State and local agencies to support SIPs and other air program activities. The SPMs are not permanently established as part of a particular pollutant’s monitoring station(s); their location can be adjusted easily 2013 Final Air Monitoring Network Review 10 These standards are designed to protect the Maricopa County Air Quality Department to accommodate changing needs and priorities. SSI: Size Selective Inlet. SSI High Volume Samplers are filter-based instruments used by MCAQD to measure PM10. TEOM: Tapered Element Oscillating Microbalance. A continuous particulate measuring instrument used by MCAQD to measure PM10. VOC: Volatile organic compound. VOCs are chemical compounds that can easily vaporize and enter the atmosphere. There are many natural and artificial sources of VOCs; solvents and gasoline make up some of the largest artificial sources. VOCs will react with NOx in the presence of sunlight to create ground-level O3 pollution. 2013 Final Air Monitoring Network Review 11 Maricopa County Air Quality Department CRITERIA POLLUTANT INFORMATION Abstract of Pollutants Certain air pollutants, called “criteria pollutants”, are common throughout the United States. These pollutants can cause health problems, harm the environment, and cause property damage. These criteria pollutants are so named since the U.S. EPA has regulations, called the National Ambient Air Quality Standards (NAAQS), on allowable levels of these substances using health-based criteria. One set of limits, called “primary standards,” protect health, while another set of “secondary standards”, are designed to protect property and the environment. The U.S. EPA designated the following pollutants as criteria pollutants (CPs): carbon monoxide (CO), lead (Pb), nitrogen dioxide (NO2), ozone (O3), particulates (PM10 & PM2.5), and sulfur dioxide (SO2). The MCAQD operates monitors for all six criteria pollutants. Causes and Characteristics of Pollutants Carbon Monoxide Carbon monoxide is the most widely distributed and most commonly occurring air pollutant. Total emissions of CO to the atmosphere exceed all other pollutants combined, on a weight basis. Fortunately, CO does not persist in the atmosphere, but is quickly converted to carbon dioxide (CO2). The CO can reach dangerous levels in localized areas or hotspots such as heavily traveled intersections or city streets. In addition, CO has been implicated in ozone formation. Most people are familiar with CO and are aware that automobiles produce this deadly, odorless, and colorless gas. In Maricopa County, more than 70% of all anthropogenic CO comes from motor vehicle emissions. In fact, this gas is produced almost anytime something is burned. All substances that are living (plants and animals) or that were once living (wood, coal, oil, and gasoline) are composed of carbon compounds. If these substances are burned in the presence of sufficient oxygen, then the carbon is converted to CO2 gas. If not enough oxygen is present, as is often the case, CO gas is produced. Carbon monoxide’s danger lies in the extremely strong affinity that hemoglobin has for it. Hemoglobin, the special oxygen-transporting material in the red blood cell, has approximately 200 times stronger affinity for CO than for oxygen. Therefore, if both CO and O2 are present, the bonding between the CO and hemoglobin will prevent the O2 from exchanging within a person’s body. This puts a heavy burden on people with heart disease and can aggravate angina, but even healthy people can suffer from harmful side effects from CO. In 2013 Maricopa County achieved its 17th consecutive year of compliance with the 8-hour CO standard. Lead Lead (Pb) is a heavy metal found naturally in the environment as well as in manufactured products. The major sources of Pb emissions have historically been motor vehicles such as cars and trucks, and industrial sources. Due to the phase-out of leaded gasoline, metals processing is the major source of lead emissions to the air today. The highest levels of Pb in air are generally found near lead smelters. General aviation airports are also a significant source of lead, as general aviation fuel still contains lead additives. Other stationary sources are: waste incinerators, utilities, and lead-acid battery manufacturers. In the early 1970s, EPA set national regulations to gradually reduce the Pb content in 2013 Final Air Monitoring Network Review 12 Maricopa County Air Quality Department gasoline. In 1975, unleaded gasoline was introduced for motor vehicles equipped with catalytic converters. EPA banned the use of leaded gasoline in highway vehicles in December 1995. Primarily as a result of EPA's regulatory efforts to remove Pb from gasoline, levels of Pb in the air have decreased by 94 percent between 1980 and 1999. Following the removal of Pb from automotive fuel, levels of airborne Pb in Maricopa County were drastically reduced. Because concentrations were consistently below national levels, Maricopa County was allowed to discontinue ambient air monitoring for lead in 1997. However, recent changes in the lead monitoring regulations have brought the need to resume monitoring activities in Maricopa County. In July 2010, MCAQD opened a new Pb monitoring site at Deer Valley Airport. The Deer Valley Airport is one of the busiest general aviation airports in the county, and thus the largest expected source of Pb emissions. Results from the last twelve months of monitoring have shown that ambient levels of Pb are still well below the new air quality standard. Nitrogen Dioxide Nitrogen dioxide belongs to a family of highly reactive gases called nitrogen oxides. These gases are formed when fuel is burned at high temperatures, and are emitted primarily from automobile exhaust and power plants. Exposure to NO2 can irritate the lungs and lower resistance to respiratory infections, particularly in people with existing respiratory illness such as asthma. Maricopa County is currently in attainment status for NO2. Maricopa County will be engaging in near-road monitoring to ensure compliance with the new 1-hour NO2 standard. Ozone Ozone is a naturally occurring molecule in which three oxygen atoms combine together. This is a chemically unstable combination, and as such, O3 is continually going through a natural cycle of being formed, then converted back to the more stable “normal” double oxygen molecule (O2). This natural cycle occurs fairly rapidly. In the stratosphere (six miles and more above the earth), naturally occurring O3 has a beneficial effect of screening out harmful ultraviolet light from the sun. However, ground-level O3 is a pollutant and is a component of the regional smog that affects the Valley. Ozone is not directly emitted into the air, but rather forms in a complex reaction that involves heat, sunlight, and a “soup” of toxic pollutants, especially volatile organic compounds (VOCs). Some of the most common sources of VOCs are gasoline vapors, chemical solvents, and combustion products of fuels and consumer products. Ozone is created by sunlight acting on nitrates (NOX) and VOCs from motor vehicles and stationary sources, and can be carried hundreds of miles from their origins. Ozone affects the respiratory system in people and animals, and also affects the growth of plants. Maricopa County is currently in non-attainment for O3 pollution, although the number of violations of the standard had been decreasing in recent years. However, in February 2008, the EPA lowered the NAAQS for O3 from 0.08 ppm to 0.075 ppm. Many of the O3 monitoring sites were in borderline compliance with the older standard and now are exceeding the new standard. Strategies will have to be developed to lower ambient ozone levels into compliance with the new standard, improving air quality for all. 2013 Final Air Monitoring Network Review 13 Maricopa County Air Quality Department Particulate Matter Particulate matter (PM) is the term for solid or liquid particles found in the air. Particle pollution is made up of a number of components, including acids such as nitrates and sulfates, organic chemicals, metals, and soil or dust particles. While some particles are large or dark enough to be seen with the naked eye in form of soot or smoke, others can only be seen under high magnification through an electron microscope. In 1987 the EPA replaced the Total Suspended Particulates (TSP) air quality standard with a standard for PM10, i.e., particles measuring ten micrometers or less in aerometric diameter. In 1997, the first NAAQS for PM2.5, particles measuring less than or equal to two and onehalf micrometers or less in aerometric diameter, went into effect. Health research studies have found that PM10 has the ability to reach the lower regions of the respiratory tract, and thus can affect the respiratory system in both humans and animals. The size of particles is directly linked to their potential for causing health problems. EPA is concerned about particles that are 10 micrometers in aerometric diameter or smaller, because those are the particles that generally pass through the throat and nose and enter the lungs. Once inhaled, these particles can affect the heart and lungs and cause serious health effects. EPA groups particle pollution into two categories:  "Coarse particles," such as those found near roadways and dusty industries, range in size from 2.5 to 10 micrometers in aerometric diameter.  "Fine particles," such as those found in smoke and haze, have diameters smaller than 2.5 micrometers in aerometric diameter. These particles can be directly emitted from sources such as forest fires, or they can form when gases emitted from power plants, industries and automobiles react in the air. Sulfur Dioxide Sulfur dioxide is emitted in gaseous form largely from burning high-sulfur coal, oil, and diesel fuel. This gas is usually associated with particulate matter pollution, because SO2 is the precursor pollutant for fine sulfate particles. Therefore, separating the health effects of these two pollutants is difficult. Together, SO2 and PM2.5 make up a major portion of the pollutant load in many cities, acting separately and in concert to threaten public health. Sulfur dioxide contributes to respiratory illness, particularly in children and the elderly, and aggravates existing heart and lung diseases. Sulfur dioxide contributes to the formation of acid rain, and it contributes to the formation of atmospheric particles that cause visibility impairment, most noticeably in national parks. Sulfur dioxide and the pollutants formed from SO2, such as sulfate particles, can be transported over long distances and deposited far from the point of origin. This means that problems with SO2 are not confined to areas where it is emitted. 2013 Final Air Monitoring Network Review 14 Maricopa County Air Quality Department The National Ambient Air Quality Standards (NAAQS) The U.S. EPA Office of Air Quality Planning and Standards (OAQPS) manages programs to improve air quality in areas where the current quality is unacceptable and to prevent deterioration in areas where the air is relatively free of contamination. To accomplish this task, OAQPS establishes the NAAQS for each of the criteria pollutants (Table 1). There are two types of standards. Primary standards protect against adverse health effects; secondary standards protect against welfare effects, such as damage to farm crops and vegetation and/or damage to buildings. Since different pollutants have different effects, the NAAQS are also different. Some pollutants have standards for both long-term and short-term averaging times. The short-term standards are designed to protect against acute, or short-term, health effects, while the long-term standards are established to protect against chronic health effects. Table 1 lists the NAAQS for the six criteria pollutants. Table 1 National Ambient Air Quality Standards Pollutant Primary/ Secondary Carbon Monoxide primary Lead primary / secondary Rolling 3 month average primary primary / secondary primary and secondary primary secondary primary / secondary primary / secondary Nitrogen Dioxide Ozone Particle Pollution PM2.5 PM10 Averaging Time Level Form 8-hour 9 ppm 1-hour 35 ppm Not to exceed one per year on avg. over 3 years 0.15 μg/m3 Not to exceed one per year on avg. over 3 years 1-hour 100 ppb 98th percentiles, avg. over 3 years Annual 53 ppb Annual Mean 8-hour 0.075 ppm Annual Annual 12 μg/m3 15 μg/m3 3 year avg. of the fourth highest 8-hr avg. daily max. 3 year avg. of the annual means 3 year avg. of the annual means 24-hour 35 μg/m3 3 year avg. of the 98th percentiles 24-hour 150 μg/m3 primary 1-hour 75 ppb Not to be exceeded more than once per year on average over 3 years 99th percentile of 1-hour daily max., averaged over 3 years secondary 3-hour 0.5 ppm Sulfur Dioxide Not to exceed one per year Source: EPA 2013 Final Air Monitoring Network Review 15 Maricopa County Air Quality Department NETWORK DESIGN Abstract of MCAQD’s Pollution Monitoring Strategies The MCAQD monitors for all six criteria pollutants by maintaining twenty-four ambient airmonitoring sites throughout Maricopa County. The sites’ startup dates range from 1961 (Central Phoenix) to July 2011 (Deer Valley). Land use patterns around the sites vary from heavy populated urban areas to sparsely populated rural settings. The sites’ elevations range from 845 feet above sea level (Buckeye) to 5190 feet above sea level at the top of Humboldt Mountain. Each site’s pollutant monitoring station(s) are chosen based on specific EPA requirements as described below, special request from EPA, and/or specific needs of the County. Some sites measure many pollutants; while others only measure one or two. The requirements for operating the air monitoring network are found in both 40 CFR Parts 50 & 58. No agreements have been made to share network design responsibilities for any MSAs in our jurisdiction. This section details how the department designs its air monitoring network to obtain representative samples of these air pollutants. Following this will be details of the results obtained from our 2013 sampling season. Monitoring Objectives The ambient air monitoring networks must be designed to meet the three basic monitoring objectives listed below. The order of appearance of these objectives is not based upon its priority. Each objective is important and must be considered individually. 1. Provide air pollution data to the general public in a timely manner. Data can be presented to the public in a number of attractive ways including through air quality maps, newspapers, Internet sites, and as part of weather forecasts and public advisories. 2. Support compliance with ambient air quality standards and emissions strategy development. Data from FRM, FEM, and ARM monitors for NAAQS pollutants will be used for comparing an area's air pollution levels against the NAAQS. Data from monitors of various types can be used in the development of attainment and maintenance plans. SLAMS and NCORE station data will be used to evaluate the regional air quality models used in developing emission strategies, and to track trends in air pollution abatement control measures' impact on improving air quality. 3. Support for air pollution research studies. Air pollution data from the NCORE network can be used to supplement data collected by researchers working on health effects assessments and atmospheric processes, or for monitoring methods development work. 2013 Final Air Monitoring Network Review 16 Maricopa County Air Quality Department Monitoring Site Types To support the air quality management work indicated in the three basic air monitoring objectives, a network must be designed with a variety of monitoring site “types”. Monitoring sites must be capable of informing managers and the general public about many things, including the peak air pollution levels, typical levels in populated areas, air pollution transported into and outside of a city or region, and air pollution levels near specific sources (Table 2). Table 2 Site Monitoring Types Measure highest concentrations expected to occur in the area covered by the network. Measure typical concentrations in areas of high population density. Determine the impact of significant sources or source categories on air quality. Determine general background concentration levels. Determine the extent of regional pollutant transport among populated areas and in support of secondary standards. Sites located to measure air pollution impacts on visibility, vegetation damage, or other welfare-based impacts. Source: Adapted from 40 CFR Part 58, Appendix D Spatial Scales of Monitoring The concept of spatial scale of representativeness was created to help link monitoring objectives and site types with the physical location of a monitor. Spatial scale of representativeness is defined in terms of the physical dimensions of the air parcel around a monitoring site throughout which pollutant concentrations are reasonably similar. There are six scales of representativeness of most interest for the monitoring site types (Table 3). Name Table 3 Spatial Scales of Representativeness Distance Micro Scale 0 to 100 meters Middle Scale 100 to 500 meters Neighborhood Scale 0.5 to 4 kilometers Urban Scale 4 to 50 kilometers Regional scale 10 to 100’s of kilometers National and global Scales Characterizing the nation and the globe as a whole. Source: Adapted from 40 CFR Part 58, Appendix D 2013 Final Air Monitoring Network Review 17 Maricopa County Air Quality Department Locating Monitors Since it is physically and fiscally impossible to monitor air quality in every location, the goal in locating monitors is to correctly integrate the monitoring objective and monitoring site type with the spatial scale most appropriate for the air pollutant to be measured. For example, consider the case where the objective is to determine NAAQS compliance by understanding the maximum O3 concentrations for an area. Such areas would most likely be located downwind of a metropolitan area, quite likely in a suburban residential area where children and other susceptible individuals are likely to be outdoors. Sites located in these areas are most likely to represent an urban scale of measurement. In this example, physical location was determined by considering O3 precursor emission patterns, public activity, and meteorological characteristics affecting O3 formation and dispersion. Thus, spatial scale of representativeness was not used in the selection process but was a result of site location. Using these principles, the total number of monitoring sites that will serve the variety of data needs will be substantially higher than federal minimum requirements. The optimum size of a particular network involves trade-offs among data needs and available resources. This does not mean that the number of monitoring sites is fixed. To the contrary, each network must be dynamic enough to maintain a current representative sample of the air quality. The EPA, State, and local agencies will periodically collaborate on network design issues through the network assessment process outlined in 40 CFR § 58.10. Overview of the MCAQD’s Air Monitoring Network Maricopa County has a population of over 3.9 million people (2012 U.S. Census estimate). The EPA has mandated a minimum number of monitors required to properly represent this population. MCAQD has designed its network, using the concepts of scale and objective mentioned previously, to meet and in most cases exceed these EPA requirements (see “Required General Information on Monitoring Network” in Appendix II). Altogether, the department operated a network of 24 monitoring sites in 2013. The following image shown in Figure 1 details the location of these sites and gives the abbreviation symbols used by Maricopa County. The AQS code assigned to each site, details of which criteria pollutant is monitored at each site, and the monitor designations are in Table 4 and Table 5. 2013 Final Air Monitoring Network Review 18 Maricopa County Air Quality Department Figure 1 2013 Air Monitoring Sites NOTE: In 2013, the total number of sites was 24. The Diablo (DI) site will become active in 2014. 2013 Final Air Monitoring Network Review 19 Maricopa County Air Quality Department Table 4 Maricopa County Ambient Air Monitoring Sites for 2013 Site Name Site Abbr. AQS Code Site Name Site Abbr. Blue Point BP 04-013-9702 Humboldt Mountain HM Mesa ME Buckeye BE 04-013-4011 North Phoenix NP Cave Creek CC 04-013-4008 Pinnacle Peak PP Central Phoenix CP 04-013-3002 Deer Valley DV 04-013-4018 Rio Verde RV South Phoenix SP *Diablo DI 04-013-4019 Durango Complex DC 04-013-9812 South Scottsdale SS Dysart DY 04-013-4010 Tempe TE Falcon Field FF 04-013-1010 West Chandler WC Fountain Hills FH 04-013-9704 West 43rd Ave. WF Glendale GL 04-013-2001 West Phoenix WP Greenwood GR 04-013-3010 Zuni Hills ZH Higley HI 04-013-4006 AQS Code 04-013-9508 04-013-1003 04-013-1004 04-013-2005 04-013-9706 04-013-4003 04-013-3003 04-013-4005 04-013-4004 04-013-4009 04-013-0019 04-013-4016 * Diablo site became active in 2014. Site Blue Point Buckeye Cave Creek Central Phoenix Deer Valley *Diablo Durango Complex Dysart Falcon Field Fountain Hills Glendale Greenwood Higley Humboldt Mountain Mesa North Phoenix Pinnacle Peak Rio Verde South Phoenix South Scottsdale Tempe West Chandler West 43rd Avenue West Phoenix Zuni Hills Table 5 Criteria Pollutants Monitored by Site and Network CO Pb O3 PM2.5 PM10 SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SPM NO2 SO2 SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS SLAMS * Diablo site becomes active in 2014. Acronyms: SLAMS=State and Local Monitoring Station; SPM=Special Purpose Monitoring Station 2013 Final Air Monitoring Network Review 20 Maricopa County Air Quality Department Table 6 and Table 7 give more specific information about the location of the sites and the types and numbers of monitors at each site, respectively. Site Latitude Table 6 Site Location Longitude Site Location BP BE CC CP DV DC DY *DI FF FH GL GR HI HM ME NP PP RV SP SS TE WC WF WP ZH 33.54549 33.37005 33.82169 33.45793 33.684627 33.42650 33.63713 33.3961 33.45223 33.61103 33.56936 33.46093 33.31074 33.98280 33.41045 33.56033 33.70655 33.71881 33.40316 33.47968 33.4124 33.29898 33.40642 33.48385 33.686738 -111.60925 -112.62070 -112.01739 -112.04601 -112.08635 -112.11814 -112.34184 -111.9680 -111.73331 -111.72529 -112.19153 -112.11748 -111.72255 -111.79870 -111.86507 -112.06626 -111.85557 -111.67183 -112.07533 -111.91721 -111.93473 -111.88431 -112.14434 -112.14257 -112.294171 AQS Code Usery Pass & Bush Highway MC 85 & AZ HWY 85 32nd St. & Carefree Highway 19th St & Roosevelt St. 10th Ave. & Deer Valley Rd. 27th Ave. & Durango St. Bell Rd. & Dysart Rd. Fairmount Dr. & Diablo Way McKellips & Greenfield Palisades & Fountain Hills Blvd. 59th Ave & W. Olive 27th Ave. & Interstate 10 Higley Rd. & Chandler Blvd Top of Humboldt Mountain Broadway Rd. & Alma School Rd. 7th Street & Dunlap Avenue Alma School & Happy Valley Rd. Forest Rd. & Del Ray Ave. Central Ave. & Broadway Rd. Scottsdale Rd. & Miller Rd. College Ave. & Apache Blvd. Ellis St. & Frye Rd. 43rd Ave. & Broadway Rd. 39th Ave. & Earll Dr. 109th Ave & Deer Valley Rd. 04-013-9702 04-013-4011 04-013-4008 04-013-3002 04-013-4018 04-013-9812 04-013-4010 04-013-4019 04-013-1010 04-013-9704 04-013-2001 04-013-3010 04-013-4006 04-013-9508 04-013-1003 04-013-1004 04-013-2005 04-013-9706 04-013-4003 04-013-3003 04-013-4005 04-013-4004 04-013-4009 04-013-0019 04-013-4016 * Diablo site became active in 2014. 2013 Final Air Monitoring Network Review 21 Maricopa County Air Quality Department Table 7 Site Instrument Setup 2013 AIR MONITORING NETWORK OPERATIONS WS/ WD O3 BE 1 1 BP 1 1 1 CC 1 1 1 CP 1 1 DC 1 DI 1 DY 1 DV 1 FF 1 1 FH 1 1 GL 1 1 GR 1 HI 1 Sites HM CO 1 NOX * 1 1 1 1 1 SO2 Press ∆T 1 PM-10 Pb 1 1 1 1 1 1 1 1 1 PM-2.5 1 MM # 1 NP PP Rm 1 1 1 1 1 1 1 1 1 2 1 * 1 6 04-013-1010 4 1 1 04-013-9704 6 1 1 1 04-013-2001 9 04-013-3010 8 1 04-013-4006 6 4 1 1 1 1 1 1 1 1 1 1 1 1 1 04-013-9508 1 1 1 1 1 04-013-1003 8 1 1 1 1 1 1 1 Mobile Truck 13 1 1 1 1 1 04-013-1004 10 04-013-2005 3 04-013-9706 2 1 1 1 1 1 1 * WC 1 1 1 * WF 1 WP 1 ZH 1 # Instr 24 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14 7 2 1 1 1 1 1 1 1 1 1 1 04-013-4003 9 04-013-3003 10 04-013-4005 9 8 1 1 1 04-013-4004 1 1 1 1 04-013-4009 6 1 1 1 1 1 04-013-0019 12 04-013-4016 4 17 5 17 1 1 1 1 1 18 1 1 * TE 4 1 1 * 8 04-013-4019 8 1 * 10 04-013-9812 04-013-4018 1 1 04-013-3002 1 04-013-4010 1 1 6 1 1 1 4 04-013-4008 1 1 1 10 04-013-9702 1 1 1 04-013-4011 1 1 1 1 1 * SS Active Instr 1 1 1 SP AQS Code 1 1 RV MultiGas 1 1 1 1 1 Solar 1 * 1 Rain PM 2.5 Filter 1 1 1 1 ME Temp Rel Hum 1 9 2 23 2 1 2 6 1 13 25 2 2 * = seasonal monitor Total # of Pollutant Monitors 71 # = Mobile Monitoring Truck Total # of Active Instruments 188 Number of Active Sites 25 Mobile Truck 1 NOTE: Diablo site activated in 2014 2013 Final Air Monitoring Network Review 22 Maricopa County Air Quality Department 2013 SUMMARY OF NETWORK RESULTS AND REQUIRED INFORMATION Determining Data Quality and Acceptability The EPA has established data quality and measurement quality objectives for CP data. In total, there are seven data quality indicators established for use by the EPA to determine the quality of ambient air data. Data must meet each indicator’s requirement to be acceptable for use by decision makers for NAAQS compliance determinations, researchers, and the public. These indicators are: precision, bias, completeness, comparability, detectability, representativeness, and sensitivity. The “timeliness” of data is important as well. With CP data, accuracy is defined as a measure of the overall agreement of a measurement to a known value and includes a combination of random error (precision) and systematic error (bias) components of both sampling and analytical operations. The division’s personnel evaluate data using these indicators, with precision, bias, and completeness being the most crucial to evaluate on a regular basis. If samples pass all validation tests, the data can be used to determine compliance with the NAAQS. Data Completeness Before any data set can be considered valid, it must first pass a data recovery, or completeness, test. The test requirements begin with checking completeness at hourly and 24-hour concentration values. These values are commonly referred to as “samples”. In general, CP pollutant data measurements, or samples, from continuous analyzers are based on a valid hour; while 24-hour filter samples from manual samplers are based on a 24-hour sampling period from midnight to midnight. For NAAQS determinations, the completeness tests are extended to data sets at 3-hour, 8-hour, quarterly, annual, and multiple year levels of data aggregation, which are specific to each CP. For CPs, data completeness must be greater than 75% for a data set to pass the first validity test. To determine data completeness, the total quantity of actual samples collected is divided by the total quantity of scheduled samples for a certain time period. The following is a summary of the annual data completeness for the criteria pollutants (Table 8). Table 8 2013 Criteria Pollutant Data Completeness Data Completeness CO Pb O3 NO2 SO2 PM2.5 PM10 TOTAL 98.8% 80.5% 98.4% 97.8% 97.0% 93.8% 98.2% 97.1% Source: EPA AQS database 2013 Final Air Monitoring Network Review 23 Maricopa County Air Quality Department Increasing Data Quantities With the advent of increasing data requirements and the availability of approved, continuous analyzers, the quantity of data the division produces has increased considerably in the past few years. In the face of this increase, the division had to change its processes to keep producing high-quality data. Not only has the quantity of CP data collected and processed increased; the need to expand supporting programs and communications increased, inherently. Meeting decision makers’ and researchers’ data needs requires personnel to remain up-to-date with EPA’s requirements while adjusting our processes accordingly as well. To date, the division has managed to make significant changes to keep up with the increasing demand for data with no increase in personnel. A brief summary of a few changes implemented follows. A rapid response notification system (RRNS) was implemented to better manage quickly-developing pollution events. This included the development of new, automated alarms to monitor instrument performance and incoming pollutant concentrations. Operating and maintaining all the various components of each air monitoring network is an ongoing challenge. Managing the data increase has involved making advances to data validation, retrieval/storage/security, and dissemination processes. The recent addition of a new database, AirVision™, enhanced our ability to perform these tasks using some automation; however, the database must be maintained and updated regularly to track changes in data collection and validation. In addition, the division now uploads preliminary data to the MC website as close as possible to real-time. Regular checking of the data multiple times a day had to be implemented because of the increased speed at which bad data could get out to the public. To further our accomplishments and to increase the quality of all data collected and managed, an increase in personnel is needed. Table 9 shows the quantity of hourly (1-hour) data the division has been producing per year, plus the near nine fold increase in data produced when the division started to collect 5-minute data. Table 9 2013 Total Quantity of Data Quantity Hourly CP Data Hourly CP and Met Data Hourly, 5-minute and 24hour CP and Met Data 587,162 1,612,082 14,901,002 NOTE: These data do not include non-criteria pollutants and special projects. 2013 Final Air Monitoring Network Review 24 Maricopa County Air Quality Department Criteria Pollutant Summary Carbon Monoxide (CO) Figure 2 2013 Carbon Monoxide Monitoring Sites During 2013, twelve CO monitors were reported as operational to the U.S. EPA Air Quality System (AQS) (Figure 2). All CO monitors are classified as SLAMS (Table 5). There are two primary standards for CO, the 8-hour average and the 1-hour average. The 8-hour primary standard is 9 ppm and the 1-hour primary standard is 35 ppm. A violation of the standard is any two exceedances in a calendar year. For calendar year 2013, no exceedances of the CO 1-hour or 8-hour standards were recorded at any MCAQD monitoring sites (Table 10). 2013 Final Air Monitoring Network Review 25 Maricopa County Air Quality Department Table 10 2013 8-hour Average Carbon Monoxide Summary CO 8-hour Average Max. (ppm) CO 8-hour Average 2nd Highest (ppm) 0.4 0.3 Number of Exceedances of 8-Hour NAAQS 0 Central Phoenix 2.1 2.1 0 Dysart 0.7 0.7 0 Glendale 1.6 1.2 0 Greenwood 2.5 2.4 0 Mesa 1.2 1.2 0 North Phoenix 1.3 1.2 0 South Phoenix 2.3 2.2 0 South Scottsdale 1.4 1.2 0 Tempe 1.3 1.3 0 West Chandler 1.3 1.2 0 West Phoenix 2.7 2.7 0 Site Buckeye Additional information required by EPA is shown in Table 11. CBSA 38060 Table 11 CO Data Required by EPA Population & No. of Required No. of Active NearCensus Year Near-Road Road Monitors (2012) Monitors 4,329,534 2013 Final Air Monitoring Network Review 1 26 1 No. of Additional Monitors Needed 2 Maricopa County Air Quality Department Lead (Pb) Figure 3 2013 Lead Monitoring Sites Following the introduction of unleaded gasoline in the early 1990’s, ambient air concentrations of Pb fell to such a low level that Maricopa County was given permission to discontinue monitoring for this pollutant. However, the Pb NAAQS was lowered in 2008 and monitoring began again to ensure that the new standard is being met. The new Pb NAAQS has identical primary and secondary standards, a rolling three-month average. The rolling 3-month average is violated by an exceedance of 0.15 g/m3. In July of 2010 a new Pb monitoring site was opened near the Deer Valley Airport in north Phoenix, because it is one of the busiest general aviation airports in the region. Deer Valley Airport is assumed to be the largest point-source of Pb within Maricopa County (Figure 3). Table 12 2013 Pb Summary Site 24-hour Max. (g/m3); Date: Hour 24-hour 2nd Highest (g/m3); Date: Hour Max. Quarterly Average (g/m3) Number of Samples Deer Valley 0.071 10/31/13 0.061 10/7/13 0.042 57 2013 Final Air Monitoring Network Review 27 Maricopa County Air Quality Department Additional Pb information required by EPA is shown in Table 13. Source Name Location Deer Valley Airport Phoenix, AZ Table 13 Pb Data Required by EPA Max 3Emissions month Design Pb No. of Inventory Design Emission Value Required Source & Value (tons/yr) Date Monitors Data Year (g/m3) General Aviation Dec 1.1 0.0398 1 Airport 2012 2008 No. of Active Monitors No. of Additional Monitors Needed 1 0 Nitrogen Dioxide (NO2) Figure 4 2013 Nitrogen Dioxide Monitoring Sites 2013 Final Air Monitoring Network Review 28 Maricopa County Air Quality Department All parts of Maricopa County are in attainment for NO2. During 2013, four NO2 monitors were operational and were reported in AQS (Figure 4). All NO2 monitors are designated as SLAMS (see Table 14). Compliance with the NO2 standard is achieved when the annual arithmetic mean concentration in a calendar year is less than or equal to 53 ppb. A new hourly standard for NO2 began in 2010; this regulation states that the 3-year average of the 98th percentile cannot exceed 100 ppb. For calendar year 2013, no exceedances of the NO2 annual or 1-hour standard were recorded at Maricopa County monitoring sites. Table 14 2013 Nitrogen Dioxide Summary NO2. 1-hour 3-Year Avg. of th NO2 1-hour Max. 98 Percentile 98th Percentile (ppb) (ppb) (ppb) Site Annual Average (ppb) Buckeye 40.0 33.0 33.6 8.42 Central Phoenix 63.0 60.0 61.0 19.71 Greenwood 81.0 63.0 64.3 24.58 West Phoenix 69.0 56.0 56.3 17.97 Additional information required by EPA is shown in Table 15. CBSA Population & Census Year 2012 38060 4,329,534 Table 15 Nitrogen Dioxide Data Required by EPA No of No. No. of No. of No. of Additional Max Required Active Required Active NearAADT Near NearAreaAreaRoad Counts Road Road Wide Wide Monitors Monitors Monitors Monitors Monitors Needed 320,137 2 2013 Final Air Monitoring Network Review 1 1 29 1 4 No of Additional Area-Wide Monitors Needed 0 Maricopa County Air Quality Department Ozone (O3) Figure 5 2013 Ozone Monitoring Sites During 2013, eighteen O3 monitors were reported as operational in AQS (Figure 5). All of the O3 monitors are classified as SLAMS (Table 5). On June 15, 2005, EPA revoked the 1997 1-hour average primary standard for O3, and it was been replaced by the 8-hour average standard for compliance purposes. On March 12, 2008, the EPA lowered the 8-hour O3 NAAQS from 0.080 to 0.075 ppm. Compliance with the standard is determined by averaging the 4th highest 8-hour average over a 3-year period. This 3-year average must be less than or equal to 0.075 ppm. In 2013, there were 12 exceedance days of the 8-hour primary standard for O3. Table 16 presents the 2013 data summary for 8-hour O3 at department monitoring sites. In addition, there were nine (9) violations of the 8-hour primary standard. The 8-hour standard is violated when a 3-year average using the 4th highest concentrations measured in each year exceeds 0.075 ppm (Table 16). 2013 Final Air Monitoring Network Review 30 Maricopa County Air Quality Department Table 16 2013 8-hour Average Ozone Summary 8-hr Max. (ppm) 2nd Highest (ppm) 3rd Highest (ppm) 4th Highest (ppm) Number of Days > 0.075 Blue Point 0.077 0.077 0.076 0.075 3 Buckeye 0.062 0.061 0.060 0.060 0 Cave Creek 0.076 0.074 0.072 0.072 1 Central Phoenix 0.079 0.079 0.077 0.075 3 Dysart 0.075 0.075 0.074 0.074 0 Falcon Field 0.082 0.08 0.079 0.077 5 Fountain Hills 0.072 0.072 0.070 0.070 0 Glendale 0.077 0.076 0.075 0.074 2 Humboldt Mt. 0.078 0.074 0.073 0.073 1 Mesa 0.086 0.079 0.079 0.079 6 North Phoenix 0.080 0.080 0.080 0.079 7 Pinnacle Peak 0.080 0.078 0.077 0.077 5 Rio Verde 0.074 0.073 0.073 0.073 0 South Phoenix 0.081 0.080 0.076 0.075 3 South Scottsdale 0.079 0.077 0.075 0.074 2 Tempe 0.077 0.073 0.072 0.071 1 West Chandler 0.081 0.074 0.072 0.070 1 West Phoenix 0.083 0.082 0.077 0.076 4 Site Additional information required by EPA is shown in Table 17. CBSA County 38060 Maricopa Table 17 Ozone Data Required by EPA 2012 No. Population 8-Hr Design Design Required & Census Value (ppm) Value Site Monitors Year 4,329,534 0.081 04-013-1004 2 2013 Final Air Monitoring Network Review 31 No. Active Monitors 18 No. of Additional Monitors Needed 0 Maricopa County Air Quality Department Particulate Matter ≤10 Micrometers (PM10) Figure 6 2013 PM10 Monitoring Sites NOTE: The sixteen sites shown above now operate continuous PM10 monitors that collect hourly-averaged data. During 2013, sixteen PM10 monitors were reported as operational in AQS (Figure 6). All PM10 monitors are classified as SLAMS, except for Zuni Hills, which is classified as a Special Purpose Monitor (SPM) as shown on Table 5. The 24-hour primary NAAQS standard for PM10 is 150 micrograms per cubic meter (µg/m3). However, due to rounding the 24-hour average concentration must exceed 155 µg/m3 to be considered an “exceedance”. This standard is violated when the expected number of exceedances at a monitor are more than one per year on average over three years. The expected number of exceedances is estimated using a formula provided in 40 CFR Part 50. The formula takes into account the number of days sampling occurs and the number of valid samples that can be collected. A 3-year average of these estimated days is then used to determine compliance. Effective December 18, 2006 EPA revoked the PM10 annual primary standard, although the annual average is still displayed below for informational purposes (Table 18). 2013 Final Air Monitoring Network Review 32 Maricopa County Air Quality Department Table 18 2013 PM10 Summary 24-hr 24-hr No. of 24Expected Average Average 2nd hour NAAQS Exceedances Max Highest Exceedances (g/m3) (g/m3) 298* 193* 2 2.21 Site Name Buckeye Annual No. of Average Exceptional (g/m3) Events (EE) 40.8 2 Central Phoenix 328* 184* 2 2 31.8 2 Durango Complex 303* 209* 4 3.022 40.1 4 Dysart 147 143 0 0 24.9 0 Glendale 210* 172* 2 2 27.5 2 Greenwood 273* 207* 3 2 41.5 3 Higley 211* 143 1 1 34.6 1 Mesa 151 139 0 0 28.8 0 North Phoenix 153 148 0 0 25.9 0 South Phoenix 294* 186* 2 2.045 38.6 2 South Scottsdale 195* 142 1 1.05 26.0 1 Tempe 227* 146 1 1 28.3 1 West Chandler 234* 188* 3 3.04 28.5 3 West 43rd Avenue 301* 280* 4 4.19 42.5 4 West Phoenix 255* 188* 2 1.7 35.7 2 Zuni Hills 165* 148 1 1.011 23.5 1 *Indicates an exceedance of the standard. NOTE: Some data are flagged as “Exceptional Events” – see explanation in Definition of Terms. In accordance with the EPA’s Exceptional Events Rule (EER), if EPA concurs with our findings that these data are due to an EE, these data will not be used in determining compliance with the NAAQS. Values in Table 18 are from official AQS reports as of the date of publishing this review. Additional information required by EPA is shown in Table 19. Table 19 PM10 Data Required by EPA CBSA 38060 County Maricopa 2012 Population & Census Year 4,329,534 Max Conc. Max Conc. Site No. Required Monitors No. Active Monitors No. of Additional Monitors Needed 328 µg/m3 04-0133002 6-10 16 0 2013 Final Air Monitoring Network Review 33 Maricopa County Air Quality Department Particulate Matter ≤2.5 Micrometers (PM2.5) Figure 7 2013 PM2.5 Monitoring Sites NOTE: The seven sites shown above operate continuous PM2.5 monitors that collect hourly-averaged data. To meet EPA collocation requirements, MCAQD currently, operates one filter-based primary, compliance PM2.5 monitor and one filter-based collocated , compliance PM2.5 monitor at the West Phoenix site. The compliance PM2.5 monitors collect twenty-four hour (midnight to midnight) samples onto filters on scheduled days and are non-continuous in nature. On July 1, 2007, the department took over weighing the sample filters, a process that was previously done by the ADEQ. All filters are processed and weighed in our internal laboratory. In addition to the filter-based monitors, the department operates seven continuous PM2.5 monitors at the Durango, Glendale, Mesa, North Phoenix, South Phoenix, Tempe, and West Phoenix sites. These continuous monitors have recently been reclassified as Federal Equivalency Methods (FEM), so their data are applicable to comparison with the national standards. All monitors are identified as SLAMS (Table 5). Note that the PM2.5 network is much smaller than the PM10 network. The reason for this is that historically more concern and resources have been given to PM10, since portions of Maricopa County have been designated a nonattainment area for PM10 (Maricopa County is currently in attainment for 2013 Final Air Monitoring Network Review 34 Maricopa County Air Quality Department PM2.5). According to federal regulations, Maricopa County does operate more than the required minimum number of PM2.5 monitors for the MSA (see Table 24 and Appendix II). The Air Monitoring Division continually assesses if the existing network adequately represents the air quality (PM2.5) in Maricopa County. One result from these ongoing assessments has been the addition of the continuous PM2.5 monitors. On December 14, 2012, EPA retained the primary 24-hour PM2.5 standard of 35 g/m3 and revised the primary annual PM2.5 standard to 12 g/m3. Compliance with the 24-hour standard is determined by taking the 3-year average of the 98th percentile at each monitoring site. Compliance with the annual standard is determined by taking the 3-year average of the annual means. There were no violations of the 24-hour standard or the annual standard. The data are based on a 24-hour average and summarized in Table 20 through 23. Table 20 2013 PM2.5 Summary for the Filter-based FRM Monitor Site Name West Phoenix 24-hr Avg. 24-hr Avg. 2nd High 3 Max (g/m ) (g/m3) 76.0* 31.8 98th Percentile Value Annual Avg. (g/m3) 28.0 10.16 Table 21 2013 PM2.5 Data Summary for the Continuous FEM Monitors 98th 24-hr Avg. Percentile 24-hr Avg. 2nd High Annual Avg. Value Site Name Max (g/m3) (g/m3) (g/m3) South Phoenix 97.3* 58.1* 25.8 9.59 Glendale 90.0* 27.9 16.6 7.52 Durango Complex 66.9* 55.8* 27.2 10.54 North Phoenix 57.3* 30.9 17.2 8.00 West Phoenix 53.0* 52.0* 29.0# 10.57# Tempe 51.1* 26.2 17.9 8.69 Mesa 31.9 23.4 12.8 5.69 *Indicates an exceedance of the standard. #The continuous FEM PM2.5 monitor represents a part-year did not meet the 75% data completeness rate. 2013 Final Air Monitoring Network Review 35 Maricopa County Air Quality Department Table 22 2013 PM2.5 3-Year Averages of 98th Percentile for FRM Monitors 2011 2012 2013 98th Percentile 98th Percentile 98th Percentile 98th Percentile Site Name Value Value Value 3-Year Average Mesa 20.4 23.3# Shutdown # South Phoenix 31.5 24.4# Shutdown # West Phoenix 28.9 29.0 28.0 28.6 #Does not meet data completeness standards Table 23 2013 PM2.5 3-Year Averages of 98th Percentile for FEM Monitors 2011 2012 2013 98th Percentile Site Name 98th Percentile 98th Percentile 98th Percentile 3-Year Average (µg/m3) (µg/m3) (µg/m3) North Phoenix 23.0 21.2 17.2 20.4 Glendale 27.8 18.6 16.6 21.0 Durango Complex 31.2 24.9 27.2 27.6 South Phoenix 27.2 20.9 25.8 24.6 West Phoenix 31.5 23.6 29.0# # Tempe N.A. 19.5 17.9 # Mesa N.A. 10.4 12.8 # #Does not meet data completeness standards Additional information required by EPA is shown in Table 24. Table 24 PM2.5 SLAMS Data Required by EPA CBSA 38060 County 2012 Population & Census Year Annual Design Value (g/m3) Maricopa 4,329,534 11.5 2013 Final Air Monitoring Network Review Annual Design Value Site 04-0139812 Daily Design Value (g/m3) 28 36 Daily Design Value Site 04-0139812 No. of Required Monitors No. of Active Monitors No. of Additional Monitors Needed 3 7 0 Maricopa County Air Quality Department Sulfur Dioxide (SO2) Figure 8 2013 Sulfur Dioxide Monitoring Sites Maricopa County is in attainment for SO2. During 2013, two SO2 monitors were operational and were reported in AQS (Figure 8). Both of these monitors are designated SLAMS (Table 5). Sulfur dioxide has a 1-hour primary standard and a 3-hour average secondary standard. The 24-hour and annual average standards were revoked in a June 2010 rulemaking. A violation of the primary standard occurs when the 3-year average of the 99th percentile of the daily maximum 1-hour average exceeds 75 ppb. A violation of the secondary standard occurs when a 3-hour average of 500 ppb is exceeded more than once per year. For calendar year 2013, no exceedances of the SO2 1-hour or 3hour standard were recorded at Maricopa County monitoring sites (Table 25). 2013 Final Air Monitoring Network Review 37 Maricopa County Air Quality Department Table 25 2013 Sulfur Dioxide Summary 1-hour Max. 1-hour 2nd High (ppb) (ppb) Site 99th Percentile (ppb) Central Phoenix 9.0 9.0 8.0 Durango Complex 14.0 12. 9.0 NOTE: EPA no longer requires the reporting of 3-hour values for the SO2 secondary NAAQS. The EPA now requires that the highest 5-minute average per hour per day be reported to AQS; however, there is no 5-minute SO2 NAAQS. Additional information required by EPA is shown in Table 26. CBSA County 38060 Maricopa Table 26 Sulfur Dioxide Data Required by EPA Population 2012 Weighted No. of No. of Population Total SO2 Emission Required Active & Census (tons/year) Index Monitors Monitors Year 4,329,534 977 2013 Final Air Monitoring Network Review 4229.9 38 0 2 No. of Additional Monitors Needed 0 Maricopa County Air Quality Department 2013 NAAQS Exceedance and Violation Summary The following is a summary of the number, types, and dates of exceedances and violations of the NAAQS for 2013 (Table 27). Table 27 2013 NAAQS Exceedances and Violation Summary CO No exceedances or violations of the 1-hr or 8-hr NAAQS standard were logged. NO2 No exceedances or violations of NAAQS were logged. O3 There were twelve unique days when at least one monitor exceeded the standard. There were nine violations of the 8-hour standard. PM10 There were six unique days when at least one monitor exceeded the 24-hour standard. There were no sites that violated the standard once EEs were removed. PM2.5 There were five unique days when at least one monitor exceeded the 24-hour standard. There were no violations of the 24-hour or annual standards. SO2 No exceedances or violations of NAAQS were logged. Pb No exceedances or violations of NAAQS were logged. 2013 O3 Exceedance and Violation Details The following information details the dates and values for exceedances of the 8-hour O3 standard (Table 28). The standard is 0.075 ppm for a rolling 8-hour average. Violations of the O3 standard are calculated with a 3-year average of the fourth-high annual 8-hour value (Table 29); if this 3-year average is greater than 0.075 ppm, the site violates the standard. 2013 Final Air Monitoring Network Review 39 Maricopa County Air Quality Department Table 28 2013 Ozone 8-hour Average Exceedance Details Ozone 8-hr avg. (ppm) Ozone NAAQS > 0.075 ppm BE 5/13/13 5/14/13 5/31/13 6/1/13 6/20/13 6/28/13 7/2/13 7/8/13 7/17/13 7/18/13 8/15/13 9/3/13 Exceedance Days Maximum Value BP CC 0.076 CP DY 0.077 FF FH GL 0.077 HM 0.078 0.080 0.077 0.076 0.079 0.078 0.078 0.079 0.086 0.079 0.076 0.077 0 3 1 3 0.077 0.076 0.079 NP 0.080 PP 0.076 0.077 RV 0.077 SP SS TE WC WP 0.076 0.077 0.079 0.077 0.081 0.083 0.082 0.076 0.077 0.080 0.079 0.077 0.076 0.082 0.079 0.079 ME 0.080 0.080 0.076 0.078 0.079 0.078 0.081 0.080 0.077 0 5 0 2 1 6 7 5 0 3 2 1 1 4 0 0.082 0 0.077 0.078 0.086 0.080 0.080 0 0.081 0.079 0.077 0.081 0.083 0.079 0.079 0.077 4th High Value > 0.075 ppm 0.077 0.076 Total Number of Days where at least one monitor exceeded the NAAQS Ozone Standard 2013 Final Air Monitoring Network Review 40 Maricopa County Air Quality Department 12 Table 29 2013 Ozone NAAQS Violations Site Value (ppm) Blue Point 0.077 Cave Creek 0.077 Glendale 0.076 Humboldt Mt. 0.076 North Phoenix 0.081 Pinnacle Peak 0.077 South Phoenix 0.076 South Scottsdale 0.076 West Phoenix 0.079 NOTE: The data shown above are the 2011 to 2013 3-year averages of the 4th highest 8-hour O3 concentrations 2013 Final Air Monitoring Network Review 41 Maricopa County Air Quality Department 2013 Exceedances of the 24-Hour PM10 Standard The following table details the site and date of exceedances of the 24-hour PM10 standard (Table 30). Note that this table includes all exceedances, even those that are expected to be or are in the process of being classified as EEs. Exceptional events are not used in calculating compliance with the NAAQS. Table 30 2013 PM10 24-hour Average Exceedance Details Site Buckeye Central Phoenix Durango Complex Glendale Greenwood Higley South Phoenix South Scottsdale Tempe West 43rd Avenue West Chandler West Phoenix Zuni Hills Date 4/8/13 8/17/13 4/8/13 6/30/13 4/8/13 6/30/13 7/2/13 8/26/13 4/8/13 6/30/13 4/8/13 6/30/13 8/26/13 4/8/13 6/30/13 4/8/13 6/30/13 6/30/13 4/8/13 6/30/13 7/2/13 8/26/13 4/8/13 6/30/13 10/9/13 4/8/13 8/26/13 4/8/13 24-hr avg. PM10 Concentration (µg/m3) 299.2 193.5 184.7 329.2 209.9 303.4 193.2 191.4 172.7 210.8 207.7 274.2 203.9 211.6 294.6 186.0# 195.0 227.7 301.6 281.3 187.1 209.3 234.9 189.3 189.2 189.4 255.6 165.7 Number of Days in 2013 where at least one monitor exceeded the 24-hr PM10 Standard Exceptional Events * * * * * * * * * * * * * * * * * * * * * * * * * * * * 6 *MCAQD has flagged these exceedances as EEs. # Indicates < 75% of data available; however, data can be compared to the NAAQS because > 7 hours are available 2013 Final Air Monitoring Network Review 42 Maricopa County Air Quality Department 2013 Violations of the 24-Hour PM10 Standard As per 40 CFR Part 50.6 (a), the 24-hour NAAQS for PM10, i.e., the 24-hour average block-average (midnight-to-midnight) concentration at a site is ≥ 155 µg/m3, is violated when the calculated “rate of expected exceedances” occurrence is >1 when averaged over three consecutive years (Table 31). Table 31 2013 Violations of the 24-hourPM10 Standard with EEs Shown 2011 2012 Expected Exceedances* Expected Exceedances Rate of Expected Exceedances* 205‡ 1.00 298‡ 2.21 1.40 0 340‡ 0 328‡ 2 0.67 436‡ 0 221‡ 0 303‡ 3.022 1.03 Dysart 273‡ 0 167‡ 0 147 0 0 Glendale 242‡ 0 337‡ 0 210‡ 2 0.67 Greenwood 388‡ 0 323‡ 0 273‡ 2 0.67 Higley 362‡ 0 224‡ 1.00 211‡ 1 0.67 Mesa 127 0 64# 0 151 0 0 186‡ 0 178‡ 0 153 0 0 420‡ 1.0 342‡ 0 294‡ 2.045 1.01 119 0 102 0 195‡ 1.05 0.35 NA NA 169‡ 0 227‡ 1 # 669‡ 0 402 2.00 234‡ 3.04 1.68 369‡ 0 254‡ 2.00 301‡ 4.19 2.06 West Phoenix 279‡ 0 189‡ 1.0 255‡ 1.7 0.90 Zuni Hills 411‡ 1.0 285‡ 0 165‡ 1.011 0.67 Buckeye Central Phoenix Durango Complex North Phoenix South Phoenix South Scottsdale Tempe West Chandler West 43rd Avenue Expected Exceedances* 24-hr Max. (µg/m3) 385‡ 1.00 308‡ 2013 24-hr Max. (µg/m3) Site 24-hr Max. (µg/m3) Bold font = Excepted number of exceedances that will be zeroed if EPA concurs on all 2013 data flagged as EE * Calculated with all EE data included regardless of EPA’s decision of concurrence # Indicates < 75% data available, i.e., does not meet data completeness requirements ‡ Indicates value was flagged as an EE 2013 Final Air Monitoring Network Review 43 Maricopa County Air Quality Department Exceptional Events for PM10 The ADEQ has sent EE packages to EPA Region 9 for the six exceedance days in 2013. If the EPA concurs with all of these packages, the number of sites that violated the PM10 standard will drop from four (Table 31) to zero (Table 32). Table 32 2013 Violations of the 24-hour PM10 Standard Excluding Approved EEs 2011 2012 Expected Exceedances* Expected Exceedances Rate of Expected Exceedances* 205‡ 1.00 298‡ 0 0.66 0 340‡ 0 328‡ 0 0 436‡ 0 221‡ 0 303‡ 0 0 Dysart 273‡ 0 167‡ 0 147 0 0 Glendale 242‡ 0 337‡ 0 210‡ 0 0 Greenwood 388‡ 0 323‡ 0 273‡ 0 0 Higley 362‡ 0 224‡ 1.00 211‡ 0 0.33 Mesa 127 0 64# 0 151 0 0 186‡ 0 178‡ 0 153 0 0 420‡ 1.0 342‡ 0 294‡ 0 0.33 119 0 102 0 195‡ 0 0 NA NA 169‡ 0 227‡ 0 # 669‡ 0 402 2.00 234‡ 0 0.67 369‡ 0 254‡ 2.00 301‡ 0 0.67 West Phoenix 279‡ 0 189‡ 1.0 255‡ 0 0.33 Zuni Hills 411‡ 1.0 285‡ 0 165‡ 0 0.33 Buckeye Central Phoenix Durango Complex North Phoenix South Phoenix South Scottsdale Tempe West Chandler West 43rd Avenue Expected Exceedances* 24-hr Max. (µg/m3) 385‡ 1.00 308‡ 2013 24-hr Max. (µg/m3) Site 24-hr Max. (µg/m3) * Calculated minus the EE data with EPA concurrence # Indicates < 75% data available, i.e., does not meet data completeness requirements ‡ Indicates value was flagged as an EE 2013 Final Air Monitoring Network Review 44 Maricopa County Air Quality Department 2013 Exceedances of the 24-Hour PM2.5 Standard The 24-hour primary and secondary NAAQS for PM2.5 is 35 µg/m3. If the 24-hour block-average (midnight-to-midnight) concentration at a site surpasses this value, then it is counted as an exceedance. The 24-hour standard is violated when the 3-year average of the 98th percentile exceeds 35 µg/m3. There were no violations in 2013. Table 33 2013 PM2.5 Exceedances Site South Phoenix West Phoenix Durango Glendale North Phoenix Tempe JLG Supersite (ADEQ) Date 24-hr avg. PM2.5 Concentration in µg/m3 1/1/13 12/24/13 12/25/13 12/31/13 97.3 44.2 58.1 56.4 1/1/13 12/25/13 12/31/13 76.0 52.0 53.0 1/1/13 6/30/13 12/25/13 66.9 41.5 55.8 1/1/13 90.0 1/1/13 57.3 1/1/13 51.1 1/1/13 40.5 Number of Days where at least one monitor exceeded the 24-hour PM2.5 Standard 2013 Final Air Monitoring Network Review 5 45 Maricopa County Air Quality Department Pollution Trends The following charts depict the most recent 3-year trends (2011-2013) for each criteria pollutant. See Table 4 for explanations of site abbreviations. Carbon Monoxide 10 9 8 PPM 7 6 2011 5 2012 4 2013 Standard 9.0 3 2 1 0 BE CP DY GL GR ME NP SP SS TE WC WP Chart 1 2011-2013 8-hr Avg. Carbon Monoxide Maximum Values Nitrogen Dioxide 60.0 50.0 40.0 PPB 2011 30.0 2012 2013 20.0 Standard 53 ppb 10.0 0.0 BE CP GR WP Chart 2 2011-2013 Nitrogen Dioxide Annual Average Readings 2013 Final Air Monitoring Network Review 46 Maricopa County Air Quality Department Ozone 0.09 0.08 0.07 PPM 0.06 0.05 2011 2012 0.04 2013 0.03 Standard 0.075 0.02 0.01 BP BE CC CP DY FF FH GL HM NP PP RV SP SS TE WC WP 0 Chart 3 2011-2013 Ozone 4th Highest 8-hr Average Particulates 800 700 µg/m3 600 500 2011 400 2012 2013 300 Standard 155 200 100 0 BECP DC DY GL GR HI ME NP SP SS TE WCWFWP ZH Chart 4 2011-2013 PM10 24-hr Average Maximum Values NOTE: The PM NAAQS states 150 µg/m3 as limit, but an exceedance is based on a value of 155 µg/m3. 2013 Final Air Monitoring Network Review 47 Maricopa County Air Quality Department 14 12 µg/m3 10 2011 8 2012 6 2013 Standard 12 4 2 0 DC GL ME NP SP TE WP Chart 5 2011-2013 PM2.5 Annual Average 40 35 30 µg/m3 25 2011 2012 20 2013 15 Standard 35 ppm 10 5 0 DC GL ME NP SP TE WP Chart 6 2011-2013 PM2.5 98th Percentile 2013 Final Air Monitoring Network Review 48 Maricopa County Air Quality Department Sulfur Dioxide 35 30 25 PPM 2011 20 2012 2013 15 Standard 30 PPB 10 5 0 CP DC Chart 7 2011-2013 Sulfur Dioxide Annual Average 2013 Final Air Monitoring Network Review 49 Maricopa County Air Quality Department Special Projects and Network Changes Air quality issues such as the SIP, EEs, and permits for new sources, are diverse and controversial subjects for the citizens of Maricopa County. Since effective policies rely upon high-quality monitoring data, MCAQD’s Air Monitoring Division strives to provide the most reliable and relevant air monitoring data to the public. The following is a list of projects and changes that have occurred during the year 2013. Seasonal Monitors The department continues to run more than half of its carbon monoxide (CO) monitors on a seasonal basis (Table 34). Having part of the network operating seasonally allows the division to upgrade instruments, perform preventive maintenance, extend the life expectancy of the instruments, reduce replacement costs, and better utilize its QA and QC resources on the remaining instruments. During the off-season the number of CO monitors operating still exceeds the minimum EPA requirements. Table 34 Seasonal Monitors Seasonal Carbon Monoxide Monitoring Sites (Operational Sept. 1 – Apr. 1) Buckeye Dysart Glendale Mesa North Phoenix South Phoenix South Scottsdale Tempe West Chandler The Consideration of Additional Sites/Monitors Site Shutdowns The Zuni Hills site (04-013-4016) will be temporarily shutdown because of construction in the area from June 2014 to August 2014. The Fountain Hills (04-013-9704) site was shutdown on August 27, 2013 through May 14, 2014 because of the fire house complex remodeling. Also, we have been notified that we will need to move the Higley site (04-013-4006) because the owners will be selling the property. The division is working on a plan to move the site by the end of 2014. Additionally, the City of Chandler notified us that they have plans for the area occupied by our West Chandler site (04013-4004). We are currently working with the city to find a suitable alternative location in 2014. The department continues to evaluate all of the monitoring networks for representativeness. Additional factors, including limited financial resources and personnel, continue to remain significant obstacles in modifying any of the monitoring networks. 2013 Final Air Monitoring Network Review 50 Maricopa County Air Quality Department Other Network Changes/Special Projects/Comments Air Quality Forecasting The ADEQ, in conjunction with MCAQD, has developed a year-round air quality forecasting capability for the Phoenix metropolitan area. ADEQ takes the lead on air quality forecasting and issuing of High Pollution Advisories (HPA), while the MCAQD provides monitoring data and designates No-Burn Days. Air Monitoring Website The department is continuing its distribution of air monitoring data to the public by posting 1-hour and 5-minute continuous data on the Internet (see “Maricopa County Interactive Pollution Map” at http://alert.fcd.maricopa.gov/alert/Google/v3/air.html). Mobile Monitoring Program The department received approval in late 2006 from the Maricopa County Board of Supervisors to start a Mobile Monitoring program. This program enables us to do more localized air monitoring combined with the ability to track down sources of air pollutants; to collect and analyze hazardous air-pollutant (HAP) samples; and to respond to emergencies. In addition to the ambient monitoring that we perform, the program is useful for collecting and analyzing scientific data for various projects, including assisting our compliance division in the enforcement of air pollution control regulations. In 2013, MCAQD’s Air Monitoring Division has responded to air quality emergencies throughout Maricopa County such as heavy smoke from fires or toxic releases that threaten air quality (Figure 9). All MCAQD mobile monitoring personnel are required to meet medical monitoring and “hazwoper” training as per the U.S. Occupational Safety and Health Administration (OSHA) requirements found in 29 CFR 1910.120. Members are recertification annually through refresher training. Figure 9 2013 Mulch Fire 2013 Final Air Monitoring Network Review 51 Maricopa County Air Quality Department Near-Road NO2 Monitoring In February of 2010, EPA promulgated new minimum monitoring requirements for the nitrogen dioxide (NO2) monitoring network in support of a newly revised 1-hour NO2 NAAQS. In the new monitoring requirements, state and local air monitoring agencies are required to install near-road NO2 monitoring stations in larger urban areas where hourly NO2 concentrations in the near-road environment are believed to be the highest in that urban area. The regulations require Core-Based Statistical Areas (CBSAs) with 2,500,000 or more persons, or those CBSAs with one or more roadway segments carrying traffic volumes of 250,000 or more vehicles (as measured by annual average daily traffic [AADT] counts), shall have two near-road NO2 monitors within that CBSA. Based on the regulation, Maricopa County is required to have two nearroad NO2 monitors. MCAQD has applied for and received EPA grant money to install the first of two near-road monitors. Important parameters for traffic activity that can be readily obtained for near-road monitoring assessments include the number of vehicles, the fleet mix, vehicle speeds (traffic congestion), local terrain and topography, and meteorology. Each of these parameters has an effect on the concentration and characteristics of the near-road pollutants. State and local ambient air monitoring agencies are required (per 40 CFR Part 58 Appendix D, § 4.3.2.a) to use the latest available census figures, i.e., census counts and/or estimates, and available traffic data in assessing what monitoring may be required. We have completed the process of determining specific locations for the two near-road NO2 monitors following procedures found in the associated EPA Technical Assistance Document. The two selected sites have been submitted to EPA for approval. Site #1 “Diablo Site” On 2/13/14, the “Diablo” Site (04-013-4019) started reporting data. This site was our first choice for a new Near Road site. Not only was this site first in fleet equivalency rank, but it passed all of our tests. Specifically, the reasons for choosing this location are:  #1 in fleet-equivalency rank (a comparative rating including both light and heavy-duty vehicles), #1 in average weekday traffic rank (AWT), and #3 in heavy duty vehicle traffic. Traffic congestion is extreme.  This candidate had desirable supporting features such as freeway orientation and surrounding grade. Although most of the adjacent area is commercial property, there are considerable residential parcels nearby.  There are locations alongside this road segment with access, safety, security, and power available. The Arizona Department of Transportation (ADOT), which owns these frontage spaces, is willing to work with us in establishing a monitoring site.  Although major road construction is planned on this freeway in 2019 (freeway widening), we’ve discussed the issue with ADOT and believe that we’ll be able to move the monitoring site back far enough to accommodate it (during and after construction). In the event that such a move is not possible, we would have to prepare another assessment to 2013 Final Air Monitoring Network Review 52 Maricopa County Air Quality Department relocate the monitoring site; there are other possibilities on the I-10 freeway, though the entire freeway is undergoing major road construction from the U.S. 60/I-10 split to the I17/I-10 split beginning in 2019. The site is located on the west side of the I-10 freeway just south of the Fairmont/Diablo Way intersection (10). The coordinates are 33.396250, -111.967967. There is a concrete barrier between the freeway and the frontage, offering safety. We have erected a secure shelter for housing the monitoring instruments. Figure 10 Street view of site #1 (Diablo) 2013 Final Air Monitoring Network Review 53 Maricopa County Air Quality Department Site #2 For the second near-road site, it was decided to find a location that did not represent the same traffic as the Diablo site. We also wanted to locate the site near a high-density population source. From our site list, the next most desirable location was in the area of Interstate-10 near 35th Avenue in central Phoenix. This location was chosen for the following reasons:  #13 in fleet-equivalency rank, #17 in AWT traffic, and #12 in heavy-duty vehicle traffic;  extreme traffic congestion;  many residential parcels nearby;  favorable surrounding features such as access and background NO2 sources; and,  the frontage space is owned by ADOT, who will work with us to establish a site. We propose that the location’s positive aspects outweigh the negative, and features alongside this road segment will allow us access while avoiding the sound walls. However, the location does have drawbacks including:  an east-west orientation, which is parallel to the average wind direction;  the freeway is approximately 20’ below grade;  an overpass is located at 35th Avenue; and,  sound walls exist on some parts of the interstate. This location is just east of 33rd Avenue on the south side of the I-10 freeway, in an area just past the sound wall. Our plan is to place a secure monitoring shelter within 10-20 meters of the road in the middle of the grade (Figures 11 and 12). Safety and security features consist of the setback from the road, the grade of the slope, and a block wall around the shelter. Figure 12 Street view of near-road site #2 Figure 11 Aerial view of near-road site#2 2013 Final Air Monitoring Network Review 54 Maricopa County Air Quality Department Rapid Response Notification System Maricopa County enjoys many days with clean air. However, there are several days during the year when air pollution levels approach or exceed federal health standards. On these days, action needs to be taken to avoid adding pollution to the air. In spite of the robust ambient air monitoring network maintained by MCAQD, a significant amount of particulate air pollution can build up more quickly than the one-hour standard measurement. If a quickly-developing event were to go unaddressed, the air quality levels could exceed a federal health standard, causing immediate health impacts to county residents and threatening our attainment status with the U.S. EPA. The Rapid Response Notification System (RRNS) serves as a tool for residents, intergovernmental stakeholders and personnel of MCAQD. The RRNS uses a three-part system to manage high pollution events: 1. dissemination of as near real-time as possible air quality data; 2. a notification system to alert residents and stakeholders of a pollution problem; and 3. onsite response from department inspectors and stakeholders to identify and discourage pollution activity to reduce the risk of pollution impacts. When a Rapid Response notification is broadcast, the department will require dust control permit holders to inspect their sites as soon as possible and employ Best Available Control Measures to stabilize all disturbed soils to reduce blowing dust. Permit holders with multiple sites should contact each site supervisor to ensure compliance with ambient air quality standards. Emergency Response Notification System The Air Monitoring Division is equipped to respond to air quality emergencies throughout Maricopa County such as heavy smoke from fires or air toxic releases that threaten air quality. All division personnel are trained and use U.S. EPA and/or OSHA approved health and safety guidelines during hazardous materials and emergency response situations. Response team members are required to meet OSHA 29 CFR 1910.120 medical monitoring and training requirements. Members remain current through annual recertification. In responding to emergencies, MCAQD has a wide variety of specialized equipment to assess air quality and meteorological conditions. These include a several trailers and a large self-powered van equipped with a criteria pollutant monitors and a gas chromatograph/mass spectrometer (GS/MS). In addition, the division has purchased several portable monitors, including a FTIR to monitor air toxics and an Area-Rae system to monitor chlorine and ammonia. 2013 Final Air Monitoring Network Review 55 Maricopa County Air Quality Department ADDITIONAL COMMENTS Arizona Department of Environmental Quality Network The ADEQ operates its own monitoring network within the State of Arizona, including some sites within Maricopa County. In addition to these state-run sites, ADEQ also utilizes several MCAQD sites to operate their own monitoring equipment. The ADEQ does a variety of ambient air pollution, air toxics, visibility, and meteorological monitoring. One of the main sites in Maricopa County that is operated by ADEQ is the JLG Supersite in central Phoenix. The Supersite is a National Core multipollutant monitoring station (NCORE) and is part of the national monitoring network (MCAQD’s monitors, on the other hand, are part of the State and Local Air Monitoring network (SLAMS)). For more information about the state’s network or the NCORE JLG Supersite consult the ADEQ’s Annual Network Plan on their website at: http://www.azdeq.gov/function/forms/reports.html. EPA Air Pollution Mapping The AIRNow website (http://wwww.airnow.gov) provides air pollution forecast maps for O3 and PM2.5, and real-time air pollution maps with CO, O3, PM10, and PM2.5 data for major metropolitan areas around the United States, including the Phoenix metropolitan area. The MCAQD has participated in the program since 2001. The MCAQD, in cooperation with ADEQ and the Pinal County Air Quality Control District, has expanded the area that the maps cover. This area now includes sites as far east as Queen Creek, as far south as Casa Grande, and as far west as Palo Verde (Figure 12). This website can be used as a tool by which the public can plan their daily activities and limit their exposure to air pollution. Eighthour average peak O3 concentration maps and real-time 8-hour O3 animation maps are provided. Colors on the map indicate different concentrations of O3 pollution. The one-hour average values are given in parts per billion. The 8-hour averages are converted into Air Quality Index (AQI) numbers. The AQI is based on the NAAQS. The index was developed to convert pollution measurements into a common index that the general public can more easily understand. 2013 Final Air Monitoring Network Review Figure 13 AQI Forecast Map Source: EPA AIRNow Website 56 Maricopa County Air Quality Department Different colors on the map correspond to different categories of air quality and health impacts (Table 35). Table 35 Air Quality Index 0 – 50 51 – 100 Color Air Quality Designation Green Good Yellow Moderate 101 – 150 Orange 151 – 200 Red Unhealthy for Sensitive Groups Unhealthy 201 – 300 301 – 500 Purple Maroon Very Unhealthy Hazardous Index 2013 Final Air Monitoring Network Review Health Impact No harmful effects expected. Unusually sensitive people should consider limiting prolonged outdoor exertion. Active children & adults, people with respiratory disease (i.e., asthma) should limit prolonged outdoor exertion. Everyone should observe caution. Avoid prolonged outdoor exertion. Avoid all outdoor exertion. Use extreme caution outdoors. Everyone should avoid all outdoor exertion. 57 Maricopa County Air Quality Department REFERENCES 1. Code of Federal Regulations, Chapter 40, Part 50 and 58 2. EPA’s Air-Data (AQS) information: http://www.epa.gov/airdata 3. EPA’s NAAQS Info: http://www.epa.gov/air/criteria.html 4. SIP Information: http://www.azdeq.gov/environ/air/plan/index.html 5. EPA’s Air Program Information: http://www.epa.gov/rgytgrnj/programs/artd/air/quality/quality.htm 6. Maricopa County Air Quality Department Air Monitoring Map: http://www.maricopa.gov/aq/divisions/monitoring/Default.aspx 7. AIR-Now: http://airnow.gov/ 8. Criteria Pollutant Information: http://www.epa.gov/air/urbanair/6poll.html 9. Maricopa County Air Quality Department Prior Network Reviews: http://www.maricopa.gov/aq/divisions/monitoring/network.aspx. 2013 Final Air Monitoring Network Review 58 Maricopa County Air Quality Department APPENDIX I - MONITORING SITE DETAILS (PHOTOS AND SPECIFIC INFORMATION) Blue Point (BP) (04-013-9702) Location: Bush Highway and Usery Pass Rd., Maricopa County Spatial Scale: Urban Monitoring Objective: Maximum Ozone Concentration Site Description: The Blue Point site became operational in July 1995 and is located in a Maricopa County Sheriff’s Sub-Station in Tonto National Forest. This site represents the maximum O3 concentration, and urban-scale downwind transport conditions. This site is located approximately 40 miles east of the Phoenix metropolitan area. Ozone is the only criteria pollutant monitored at this SLAMS station. Wind speed and direction are also monitored at the site. Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 (ppm) O3 3-year average of 4th High (ppm) 2011 0.092* 2012 0.079* 2013 0.077* 9 10 3 0.073 0.075 0.077# *Indicates an exceedance of the standard #Indicates a violation of the standard 2013 Final Air Monitoring Network Review 59 Maricopa County Air Quality Department Buckeye (BE) (04-013-4011) Location: US 85 & MC 85, Buckeye Spatial Scale: Neighborhood and Urban (NO2) Monitoring Type: Population Exposure Site Description: The Buckeye site was established on August 1, 2004. This site is a SLAMS location for CO, O3, PM10, and NO2 criteria pollutants. The site is located in the Maricopa County Department of Transportation - Southwest Facility. The immediate area is agriculture and encroaching residential development. Carbon Monoxide 2011 0.9 2012 0.5 2013 0.4 0 0 0 0.072 0.078 0.062 0 1 0 O3 3-year Avg. of 4th High (ppm) 0.064 0.066 0.065 Max. 24-hr PM10 Avg. (µg/m3) 385*‡ 205*‡ 298*‡ 9 2 2 Annual PM10 Avg. (µg/m3) 43.7 47.4 40.8 Annual NO2 Avg. (ppb) 8.8 9.4 8.42 NO2 1-hour Ave. 98th Percentile (ppb) 36.0 39.0 40.0 Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone PM10 Nitrogen Dioxide O3 #Daily Exceedances >0.075 Number exceedances 24-hr PM10 *Indicates an exceedance of the standard. ‡Indicates EE at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 60 Maricopa County Air Quality Department Cave Creek (CC) (04-013-4008) Location: 32nd St. & Carefree Highway, Cave Creek Spatial Scale: Urban Monitoring Type: Maximum Ozone Concentration Site Description: The Cave Creek site became operational in August 2001 and is located in the Maricopa County Cave Creek Recreation Area (Park Office). This site was chosen through discussions on modifying the O3 network for the 2005 8-hr O3 standard. Ozone is the only criteria pollutant monitored at this SLAMS station. Wind speed and direction are also monitored at the site. Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 (ppm) O3 3-year average of 4th High (ppm) 2011 2012 2013 0.088* 0.081* 0.076* 6 10 1 0.075 0.077# 0.077# *Indicates an exceedance of the standard. #Indicates a violation of the standard. 2013 Final Air Monitoring Network Review 61 Maricopa County Air Quality Department Central Phoenix (CP) (04-013-3002) Location: 19th St. and Roosevelt Spatial Scale: Neighborhood Monitoring Type: High Population Exposure and Highest Concentration (NO2 and SO2) Site Description: The Central Phoenix site has been in existence for over four decades and has provided a long-term historical database with a high rate of data recovery. The site is representative of high population exposure (greater than 5000 people per square mile) in the central Phoenix area. This site is a SLAMS location for carbon monoxide, O3, PM10, SO2 and NO2 criteria pollutants. Carbon Monoxide 2011 2.1 2012 2.7 2013 2.1 0 0 0 0.081* 0.084* 0.079* 2 6 3 0.071 0.074 0.075 308*‡ 340*‡ 328*‡ 8 1 2 Annual PM10 Avg. Continuous (µg/m3) 39.5 37.9 31.8 Annual NO2 Avg. (ppb) 19.8 21.2 19.71 60.0 63.0 60 Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm O3 3-year avg. of 4th High (ppm) 3 Max. 24-hr PM10 Avg. Continuous (µg/m ) PM10 Nitrogen Dioxide Number exceedances Continuous 24-hr PM10 th NO2 1-hour Average 98 Percentile (ppb) th SO2 1-hour 99 Percentile (ppb) Sulfur Dioxide 8.0 Number of Exceedances SO2 0 Annual SO2 Avg. (ppb) 1.2 1.2 1.19 *Indicates an exceedance of the standard. ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 62 Maricopa County Air Quality Department Deer Valley (DV) (04-013-4018) Location: 7th Avenue & Deer Valley Rd. Spatial Scale: Middle Monitoring Type: Source Oriented Site Description: The Deer Valley site is located on the grounds of the Deer Valley Airport in north Phoenix. This site was started in July 2010 because changes in the Pb NAAQS necessitates that MCAQD begin Pb monitoring again. All ambient Pb monitoring had been discontinued in 1997 because concentrations were consistently much lower than the standard at that time. The source of Pb emissions is the general aviation fuels used in the propeller-driven aircraft. Deer Valley Airport is one of the busiest general aviation airports in Maricopa County. 3 Max. 24-hr Pb Avg. (µg/m ) Lead Pb #Daily Exceedances >0.15 µg/m3 Pb Maximum Quarterly Average (µg/m3) 2013 Final Air Monitoring Network Review 63 2011 2012 2013 0.07 0.057 0.071 0 0 0 0.0329 0.0398 0.04 Maricopa County Air Quality Department Durango Complex (DC) (04-013-9812) Location: 27th Ave and Durango St. Spatial Scale: Middle Monitoring Type: Highest Concentration Site Description: This site is located in the Maricopa County Flood Control District storage yard. Sampling began on January 6, 1999 with the intent to replace the old maximum highest concentration site. However, in 2000 the EPA determined that the site is not equivalent to that old site, which prompted the establishment of a new highest concentration site (West 43rd). Continuous particulate monitors (SLAMS PM10 and PM2.5) are located at this site, and an SO2 monitor was started here in 2011. There are also meteorological monitors (wind speed/direction and atmospheric pressure) 2011 2012 2013 NA NA 9.0 0 0 0 1.1 1.5 1.15 436*‡ 221*‡ 303*‡ 8 4 4 Annual PM10 Avg. Continuous (µg/m3) 48.0 49.1 40.1 Max. 24-hr PM2.5 Avg. (µg/m3) 52.6* 74.4* 66.9* No. of daily PM2.5 exceedances 4 2 3 Annual PM2.5 Avg. (µg/m3) 12.4 11.6 10.54 98th Percentile PM2.5 Value (µg/m3) 31.2 24.9 27.2 th SO2 1-hour 99 Percentile (ppb) Sulfur Dioxide Number of Exceedances SO2 Annual SO2 Avg. (ppb) Max. 24-hr PM10 Avg. Continuous (µg/m3) PM10 PM2.5 Number exceedances Continuous 24-hr PM10 *Indicates an exceedance of the standard. ‡Indicates EEs at this site. 2013 Final Air Monitoring Network Review 64 Maricopa County Air Quality Department Dysart (DY) (04-013-4010) Location: Bell Rd. & Dysart Rd., Surprise Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: The Dysart site was established in July 2003. It is located at the Maricopa County Facility Maintenance Yard at the corner of Bell Rd. and Dysart Rd. The site is in a growing population area in the northwest valley. The land use around the site consists of subdivisions of single family homes, commercial, and industrial. The site is approx. one mile west of the Agua Fria riverbed. Seasonal CO, O3, and PM10 (all SLAMS) are the criteria pollutants monitored at this station. 2011 2012 2013 0.5 0.6 0.7 0 0 0 0.075 0.079* 0.075 0 2 0 O3 3-year Avg. of 4th High (ppm) 0.070 0.071 0.072 Max. 24-hr PM10 Avg. (µg/m3) 273*‡ 167*‡ 147 5 1 0 29.2 30.0 24.9 Max. 8-hr CO Avg. (ppm) Carbon Monoxide Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone PM10 O3 #Daily Exceedances >0.075 ppm Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) *Indicates an exceedance of the standard. ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 65 Maricopa County Air Quality Department Falcon Field (FF) (04-013-1010) Location: Greenfield and McKellips Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: Ozone is the only SLAMS criteria pollutant monitored at this station. Monitoring began in June of 1989. The site is located at a fire station near an airfield within a growing residential area. Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm O3 3-year avg. of 4th High (ppm) 2011 2012 2013 0.074 0.075 0.082* 0 0 5 0.068 0.069 0.072 *Indicates an exceedance of the standard. 2013 Final Air Monitoring Network Review 66 Maricopa County Air Quality Department Fountain Hills (FH) (04-013-9704) Location: Fountain Hills Blvd. and Palisades Blvd. Spatial Scale: Neighborhood Monitoring Type: Maximum Ozone Concentrations Site Description: The site, located at a Fountain Hills fire station, became operational in April of 1996 and monitors O3 (SLAMS), wind speed and direction. The site is located approximately 15 miles downwind from the Phoenix metropolitan area and represents the high downwind O3 concentrations on the fringes of the central basin district along the predominant summer/fall daytime wind direction. The site was shutdown from August 27, 2013 through May 14, 2014 for complex renovation. Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm O3 3-year avg. of 4th High (ppm) 2011 2012 2013 0.089* 0.083 0.072@ 9 5 0 0.073 0.076# 0.074@ *Indicates an exceedance of the standard. #Indicates a violation of the standard. @ = <75 % data completeness 2013 Final Air Monitoring Network Review 67 Maricopa County Air Quality Department Glendale (GL) (04-013-2001) Location: 59th Ave. and Olive Ave. Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: The site and is located on the grounds of Glendale Community College in a populous residential area. Homes, various strip malls, food establishments, and parks surround the site. Ozone, PM2.5, PM10, and seasonal CO are monitored at this station. The continuous PM2.5 monitor was added in 2011. CO 2011 1.3 2012 1.3 2013 1.6 0 0 0 0.083* 0.088* 0.077* 4 4 2 O3 3-year avg. of 4th High (ppm) 0.073 0.076# 0.076# Max. 24-hr PM10 Avg. (µg/m3) 242*‡ 337*‡ 210*‡ 5 1 2 32.3 34.1 27.5 42.7*+ 66.1* 90.0* 2 1 8.7 7.52 18.6 16.6 Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) O3 PM10 O3 #Daily Exceedances >0.075 ppm Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) Max. 24-hr PM2.5 Avg. (µg/m3) No. of daily PM2.5 exceedances PM2.5 2 3 + + Annual PM2.5 Avg. (µg/m ) 9.1 98th Percentile Value (µg/m3) 27.8+ *Indicates an exceedance of the standard. #Indicates a violation of the standard. + Represents less than a calendar year of observations (4926 observations) ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 68 Maricopa County Air Quality Department Greenwood (GR) (04-013-3010) Location: 27th Ave. and I-10, Phoenix Spatial Scale: Middle Monitoring Type: Population Exposure Site Description: Monitoring began at this site in December 1993. The station is bordered by I-10, homes, and the Greenwood Cemetery. Interstate 17 is approximately one mile to the east of the site. Carbon monoxide, NO2, and PM10 are the criteria pollutants monitored at this SLAMS facility. This site was converted to continuous PM10 monitoring in the beginning of 2006. 2011 2012 2013 2.5 3.2 2.5 Number exceedances 8-hr CO 0 0 0 Max. 24-hr PM10 Avg. (µg/m3) 388*‡ 323*‡ 273*‡ 7 2 3 Annual PM10 Avg. (µg/m3) 42.2 45.3 41.5 Annual NO2 Avg. (ppb) 25.4 26.0 24.58 NO2 1-hour Average 98th Percentile (ppb) 65.0 65.0 64.3 Max. 8-hr CO Avg. (ppm) Carbon Monoxide PM10 Nitrogen Dioxide Number exceedances 24-hr PM10 *Indicates an exceedance of the standard. ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 69 Maricopa County Air Quality Department Higley (HI) (04-013-4006) Location: Higley Rd. and Williams Field Rd., Gilbert Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: Originally, in 1994, ADEQ set up this site to monitor for background particulate concentrations near the urban limits of Maricopa County. Since then, urban expansion has enveloped the site, so it no longer serves its original intended purpose. The Department installed a (1-in-6 day) PM10 (SLAMS) in the second quarter of 2000. As of October 2004, the 1-in-6 day PM10 monitor was replaced with an hourly continuous PM10 monitor in accordance with 40 CFR 50, Appendix K. This continuous monitor samples on the neighborhood scale with a monitoring type of high population exposure. We have been asked to remove the site by the Roosevelt Water District by end 2014. 3 Max. 24-hr PM10 Avg. (µg/m ) PM10 2011 362*‡ 2012 224*‡ 2013 211*‡ 8 4 1 39.0 38.3 34.6 Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) *Indicates an exceedance of the standard. ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 70 Maricopa County Air Quality Department Humboldt Mountain (HM) (04-013-9508) Location: Humboldt Mountain Summit Spatial Scale: Regional Monitoring Type: Maximum Ozone Concentrations Site Description: This site became operational in August 1995. The Humboldt Mountain site is located on Federal Aviation Agency property, in a National Forest Service building in the Tonto National Forest. This site is located approximately 40 miles north-northeast of the Phoenix metropolitan area at an elevation of 5190 feet. Ozone is the only criteria pollutant that is monitored at this SLAMS site. Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm O3 3-year avg. of 4th High (ppm) 2011 2012 2013 0.088* 0.082* 0.078* 6 10 1 0.071 0.075 0.076# *Indicates an exceedance of the standard. #Indicates a violation of the standard. 2013 Final Air Monitoring Network Review 71 Maricopa County Air Quality Department Mesa (ME) (04-013-1003) Location: Broadway Rd. and Brooks Ave. Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: This site is located at the City of Mesa Brooks Reservoir. It is centered in an area that contains residential, commercial, and industrial properties. Carbon monoxide, O3, PM2.5, and PM10 are the criteria pollutants monitored at this site. In December 2012, following a ten-month site construction by the City of Mesa, the site began operation again with new continuous PM10, PM2.5, and O3 monitors. CO PM10 2011 1.5 2012 1.4 2013 1.2 Number exceedances 8-hr CO 0 0 0 Max. 24-hr PM10 Avg. (µg/m3) 127 64 151 0 0# 0 26.7 22.8 28.8 102.3* 23.3 (16.0) (31.9) 1 0@ 0 Annual PM2.5 Avg. (µg/m ) 8.9 8.5@ (5.8)@ (5.69) 98th Percentile PM2.5 Value (µg/m3) 20.4 23.3@ (10.4)@ (12.8) Max. 8-hr O3 Avg. (ppm) Did not operate Did not operate 0.086 O3 #Daily Exceedances >0.075 ppm Did not operate Did not operate 6 Did not operate Did not operate NA Max. 8-hr CO Avg. (ppm) Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) 3 Max. 24-hr PM2.5 Avg. (µg/m ) PM2.5 O3 Number of Daily PM2.5 Exceedances 3 th O3 3-year avg. of 4 High (ppm) * Indicates an exceedance of the standard # Indicates a violation of the standard @ = <75% data completeness NOTE: First value is from the filter-based monitor; second value shown in parenthesis is from continuous monitor. 2013 Final Air Monitoring Network Review 72 Maricopa County Air Quality Department North Phoenix (NP) (04-013-1004) Location: 7th St. and Butler Ave. Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: This site is located in the Sunnyslope area of North Phoenix. The site is surrounded by residential and commercial properties. CO, O3, PM2.5 and PM10 (all SLAMS) are monitored at this site, along with Delta T (temperature inversion). CO 2011 1.6 2012 1.5 2013 1.3 0 0 0 0.090* 0.091* 0.080* 8 10 7 3-year Avg. of 4 High (ppm) 0.078# 0.081# 0.081# 3 186*‡ 178*‡ 151 2 1 0 32.4 28.8 30.1 57.3* 0 1 9.3 8.00 21.2 17.2 Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) O3 O3 #Daily Exceedances >0.075 ppm th Max. 24-hr PM10 Avg. (µg/m ) PM10 Number exceedances 24-hr PM10 3 Annual PM10 Avg. (µg/m ) 26.5 3 Max. 24-hr PM2.5 Avg. (µg/m ) PM2.5 46.9* Number of Daily Exceedances 1 3 Annual PM2.5 Avg. (µg/m ) th + 9.3 3 98 Percentile Value (µg/m ) + + 23.0 + *Indicates an exceedance of the standard. #Indicates a violation of the standard +Represents less than a year of observations (2895 observations) ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 73 Maricopa County Air Quality Department Pinnacle Peak (PP) (04-013-2005) Location: Alma School & Happy Valley Rd. Spatial Scale: Urban Monitoring Type: Maximum Ozone Concentrations Site Description: The site was moved a half of a mile south from the roof of the Troon Golf Course Country Club in North Scottsdale to their maintenance yard. This was at the request by the property owner. It is located in a geographic area of low-density population (less than 2500 people per square mile). In the current and previous years, O3 exceedances have been recorded due to transport of O3 and precursors from more urbanized areas of metropolitan Phoenix. Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm O3 3-year Avg. of 4th High (ppm) 2011 2012 2013 0.088* 0.082* 0.080* 4 6 5 0.075 0.077# 0.077# *Indicates an exceedance of the standard #Indicates a violation of the standard 2013 Final Air Monitoring Network Review 74 Maricopa County Air Quality Department Rio Verde (RV) (04-013-9706) Location: Forest Rd. and Del Ray Ave. Spatial Scale: Urban Monitoring Type: Maximum Ozone Concentrations Site description: This O3 site became operational in spring of 1997. The monitor is located at the fire station / County Sheriff’s Office sub-station located in a residential area surrounded by the desert of Tonto National Forest. The site is on the edge of a Class I Wilderness Area. Max. 8-hr O3 Avg. (ppm) O3 O3 #Daily Exceedances >0.075 ppm O3 3-year Avg. of 4th High (ppm) 2011 2012 2013 0.088* 0.076* 0.074 6 2 0 0.073 0.074 0.075 *Indicates an exceedance of the standard 2013 Final Air Monitoring Network Review 75 Maricopa County Air Quality Department South Phoenix (SP) (04-013-4003) Location: Central Ave. and Broadway Rd. Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: The site was opened at its current location in October 1999. The site borders a mixture of high population density residential and commercial properties. Carbon monoxide, O3, PM2.5, and PM10 are monitored at this site. A continuous Thermo Scientific 1405 PM2.5 monitor started operation at this site in December 2008. The filter-based PM2.5 FRM (started in 2005) was shut down in July 2012. Carbon Monoxide Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm O3 3-year Avg. of 4th High (ppm) 3 Max. 24-hr PM10 Avg. (µg/m ) PM10 Number exceedances 24-hr PM10 3 Annual PM10 Avg. (µg/m ) Max. 24-hr PM2.5 Avg. (µg/m3) PM2.5 Number of Daily PM2.5 Exceedances Annual PM2.5 Avg. (µg/m3) th 3 98 Percentile PM2.5 value (µg/m ) 2011 2.6 2012 2.3 2013 2.3 0 0 0 0.081* 0.087* 0.081* 4 5 3 0.072 0.076# 0.076# 420*‡ 342*‡ 294*‡ 9 3 2 47.7 47.9 38.6 62.0* (60.8*) 70.0* (70.8) (97.3*) 2 (4) 2 4 11.4 (9.31) 11.5 (9.2) (9.59) 31.5 (27.2) 24.4 (20.9) (25.8) *Indicates an exceedance of the standard. #Indicates a violation of the standard. ‡Indicates EEs at this site NOTE: First value is from the filter-based monitor; second value shown in parenthesis is from continuous monitor. 2013 Final Air Monitoring Network Review 76 Maricopa County Air Quality Department South Scottsdale (SS) (04-013-3003) Location: Thomas Rd. and Miller Rd. Spatial Scale: Neighborhood, Urban (NO2) Monitoring Type: Population Exposure Site Description: The South Scottsdale site is located at a City of Scottsdale fire station. The area surrounding the site is residential with a density of 2500 to 5000 persons per square mile. Carbon monoxide, O3, and PM10 are the criteria pollutants monitored at this station. The SO2 monitoring was discontinued in 2010 due to extremely low values being recorded. The SO2 monitor was moved the Durango Complex site, which is closer to SO2 point-sources. The NO2 monitoring was discontinued in 2011. Continuous PM monitors replaced filter-based monitors on September 1, 2012. Carbon Monoxide 2011 2012 2013 1.4 1.3 1.4 0 0 0 0.083* 0.086* 0.079* 3 7 2 0.074 0.077# 0.076# 119 102 195*‡ 0 0 1 Annual PM10 Avg. (µg/m ) 25.8 31.6 26.0 Annual NO2 Avg. (ppb) 15.5 Shutdown Shutdown NO2 1-hour Average 98th Percentile (ppb) 54.0 Shutdown Shutdown Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm th O3 3-year Avg. of 4 High (ppm) 3 Max. 24-hr PM10 Avg. (µg/m ) PM10 Number exceedances 24-hr PM10 3 Nitrogen Dioxide *Indicates an exceedance of the standard. #Indicates a violation of the standard. ‡Indicates EEs at this site. 2013 Final Air Monitoring Network Review 77 Maricopa County Air Quality Department Tempe (TE) (04-013-4005) Location: Apache Blvd. & College Ave. Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: The site was established in 2000. Ozone and CO are monitored at the site along with continuous PM10 and PM2.5 monitors, which were added in 2012. Wind speed and direction and Delta T meteorological parameters are also monitored at this site. Carbon Monoxide 2011 3.2 2012 1.6 2013 1.3 0 0 0 0.076* 0.078* 0.077* 1 1 1 0.068 0.070 0.071 Max. 24-hr PM10 Avg. (µg/m ) N/A 169*‡ 227*‡ Number exceedances 24-hr PM10 N/A 1 1 N/A 31.6 28.3 Max. 24-hr PM2.5 Avg. (µg/m ) N/A 23.1 51.1* Number of Daily PM2.5 Exceedances N/A 0 1 N/A 9.27 8.69 N/A 19.5 17.9 Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone O3 #Daily Exceedances >0.075 ppm th O3 3-year Avg. of 4 High (ppm) 3 PM10 3 Annual PM10 Avg. (µg/m ) PM2.5 3 3 Annual PM2.5 Avg. (µg/m ) th 3 98 Percentile PM2.5 Value (µg/m ) *Indicates an exceedance of standard. #Indicates a violation of the standard. ‡Indicates EEs at this site. 2013 Final Air Monitoring Network Review 78 Maricopa County Air Quality Department West Chandler (WC) (04-013-4004) Location: Frye Rd. and Ellis St. Spatial Scale: Neighborhood, Middle (PM10) Monitoring Type: Population Exposure Site Description: This site was first established in January 1995. A wide range of land uses surround the site including residential, agriculture, and heavy industry (semiconductor manufacturing plants and liquid air storage). Carbon monoxide, O3, and PM10 are the criteria pollutants monitored at this site. We have been asked to remove the site by the City of Chandler by end 2014. 2011 2012 2013 1.4 1.4 1.3 0 0 0 0.079* 0.082* 0.081* 3 2 1 O3 3-year Avg. of 4th High (ppm) 0.073 0.074 0.072 Max. 24-hr PM10 Avg. (µg/m3) 669*‡ 402* 234*‡ 11 5 3 47.9 36.1 28.5 Max. 8-hr CO Avg. (ppm) Carbon Monoxide Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) Ozone PM10 O3 #Daily Exceedances >0.075 ppm Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) *Indicates an exceedance of the standard. ‡Indicates EEs at this site. 2013 Final Air Monitoring Network Review 79 Maricopa County Air Quality Department West 43rd Avenue (WF) (04-013-4009) Location: 43rd Ave. & Broadway Rd. Spatial Scale: Middle Monitoring Type: Highest Concentrations Site Description: Monitoring began at the site in the 2nd quarter of 2002. This site is located at a Maricopa County Department of Transportation storage lot and is surrounded by a combination of heavy industry and residential homes. The site has one continuous TEOM PM10 monitor, a Delta T monitor, as well as other meteorological instruments such as wind speed and direction. The main purpose of the site is to measure maximum PM10 concentration. The sources around the site include sand and gravel operations, auto and metal recycling facilities, landfills, paved and unpaved haul roads, and cement casting. 3 Max. 24-hr PM10 Avg. (µg/m ) PM10 Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) 2011 2012 2013 369*‡ 254*‡ 301*‡ 7 7 4 47.9 50.5 42.5 *Indicates an exceedance of the standard. ‡Indicates EEs at this site. 2013 Final Air Monitoring Network Review 80 Maricopa County Air Quality Department West Phoenix (WP) (04-013-0019) Location: 39th Ave. and Earll Dr. Spatial Scale: Neighborhood Monitoring Type: Population Exposure, Highest Concentration (PM2.5) Site Description: This site became operational in 1984. The spatial scale for the West Phoenix site is neighborhood. It is located in an area of stable, high-density residential properties. Carbon monoxide, PM10, PM2.5, O3, and NO2 are the criteria pollutants monitored at this site. The department operates collocated PM2.5 FRM filter-based monitors and a continuous PM2.5 FEM monitor (SLAMS) at this site. Carbon Monoxide Ozone PM10 PM2.5 Nitrogen Dioxide Max. 8-hr CO Avg. (ppm) Number exceedances 8-hr CO Max. 8-hr O3 Avg. (ppm) O3 #of Daily Exceedances >0.075 ppm O3 3-year Avg. of 4th High (ppm) Max. 24-hr PM10 Avg. (µg/m3) Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) Max. 24-hr PM2.5 Avg. (µg/m3) Number of Daily PM2.5 Exceedances Annual PM2.5 Avg. (µg/m3) 98th Percentile PM2.5 Value Annual NO2 Avg. (ppb) NO2 1-hr Avg. 98th Percentile (ppb) 2011 3.0 0 0.086* 5 0.074 279*‡ 8 48.0 30.6 (99.1*) 0 (4) 10.2 (11.6) 28.9 (31.5) 18.0 55.0 2012 3.9 0 0.087* 9 0.078# 189*‡ 1 46.9 112.6* (89.1*) 2 (2) 12.0 (10.4) 29.0 (23.6) 19.4 58.0 2013 2.7 0 0.083* 4 0.079# 255*‡ 2 35.7 76.0* (53.0*) 1 (3) 10.16 (10.57) 28.0 17.97 69.0 *Indicates an exceedance of the standard. #Indicates a violation of the standard. ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. NOTE: First value is from the filter-based monitor; second value shown in parenthesis is from continuous monitor. 2013 Final Air Monitoring Network Review 81 Maricopa County Air Quality Department Zuni Hills (ZH) (04-013-4016) Location: 109th Ave. and Deer Valley Road. Spatial Scale: Neighborhood Monitoring Type: Population Exposure Site Description: This site was opened in December 2009 and is located on the campus of the Zuni Hills elementary school, which is approximately 1.7 miles to the northeast from the now closed Coyote Lakes monitor. Coyote Lakes was a source-oriented, middle scale PM10 site that was situated in the Agua Fria River bottom adjacent to sand and gravel mines. Zuni Hills replaces this with a populationoriented, neighborhood scale site that is situated on the higher-elevation river bank. This site will theoretically be able to represent the air quality for a larger area and a greater number of people. The site will be shutdown for construction in the area June 2014-August 2014 3 Max. 24-hr PM10 Avg. (µg/m ) PM10 Number exceedances 24-hr PM10 Annual PM10 Avg. (µg/m3) 2011 2012 2013 411*‡ 285*‡ 165*‡ 4 1 1 28.4 49.1 23.5 *Indicates an exceedance of the standard. ‡Indicates EEs at this site. Listed value is the highest official current AQS reading. 2013 Final Air Monitoring Network Review 82 Maricopa County Air Quality Department APPENDIX II – EPA-REQUIRED DATA Details compliance with requirements of 40 CFR §58.10 and Appendices A, C, D, and E Required General Statement Regarding Changes to the PM2.5 Network In the event the department needed to move or change a violating PM2.5 monitor, this procedure would be followed. The department would hold a public hearing regarding the requested change. Details and documentation of the requested change, as well as all public comments, would then be forwarded to the EPA for approval. Any action on the department’s part will be dependent on EPA approval. Please note that the previous statement is general in nature and is required to be placed in the annual network review by 40 CFR Part 58. The department does not currently have any violating PM2.5 monitors, nor does it have any proposals to move any PM2.5 monitors. Notes Regarding Appendix Data Analysis Method (filters only) refers to the method used to process filter-based particulate samples. Distance from Supporting Structure refers to those sample probes that are attached to a supporting structure, such as the side of a building. In most cases the sample probe is located above the supporting structure, in which case the entry will show as “N/A”, aka not applicable. Distance from Obstructions refers to those obstructions, both on the roof and off the roof, which are located higher than the probe. In the case of a nearby obstruction being higher than the probe, details of its location will be listed in the entry. If there are no obstructions higher than the probe, then the entry will be N/A. Last Annual Performance Evaluation Date refers to the performance evaluations detailed in 40 CFR Part 58, Appendix A, §3.2.2. These performance evaluations are performed by an agency outside of MCAQD. At least 25% of the network should be evaluated once per calendar quarter. Last Two Semi-Annual Flow Rate Audit Dates refers to the performance evaluations detailed in 40 CFR Part 58, Appendix A, §3.2.4. These performance evaluations are performed by an agency outside of MCAQD at least once every six months. Probe Sample Line Material refers to the material makeup of the intake sample lines. Pollutant Sample Residence Time refers to the amount of time that it takes a sample of air to travel between the probe inlet and the bulkhead of the analyzer. This residence time is calculated by a formula that is based on the sample line diameter and length and the flow rate of the air intake. It is important to keep this residence time low so as to prevent gases in the air sample from reacting with the sample line material or with other gases in the sample; i.e., O3 could react with NO in the air sample if the residence time exceeds 20 seconds. This measurement only applies to NO2, SO2, and O3 sampling/sample lines. 2013 Final Air Monitoring Network Review 83 Maricopa County Air Quality Department BLUE POINT County ID: BP AQS ID: 04-013-9702 Address: Bush Highway & Usery Pass Road, Maricopa County Coordinates: 33.54549N, -111.60925W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 84 Ozone Continuous N/A No N/A 26 5 Yes Submitted July 2014 Bi-Weekly N/A API M400 (087) 01/01/1993 SLAMS FEM Max Ozone Concentration Urban Jan-Dec Yes N/A 5.3 meters 360º Teflon 7.6 seconds 3 meters 3.5 meters None 6 meters Bush Highway 160 meters, S 1,000 Paved Maricopa County Air Quality Department BUCKEYE County ID: BE AQS ID: 04-013-4011 Address 26453 W MC85 Coordinates: 33.37005N, -111.62070W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Distance from Supporting Structure Probe Sample Line Material Pollutant Sample Residence Time Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review Ozone Continuous N/A No CO Continuous N/A No NO2 Continuous N/A No PM10 Continuous N/A No N/A N/A N/A N/A 25 3 15 2 26 3 23 3 Yes Yes Yes Yes Submitted July 2014 Bi-Weekly N/A Submitted July 2014 Bi-Weekly N/A Submitted July 2014 Bi-Weekly N/A Submitted July 2014 N/A Bi-Monthly API M400 (087) 08/01/2004 SLAMS FEM API M300 (093) 08/01/2004 SLAMS FRM API M200 (099) 08/01/2004 SLAMS FRM Thermo TEOM 1400AB (079) 08/01/2004 SLAMS FEM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Sep-Mar Jan-Dec Population Exposure Neighborhood Jan-Dec Yes Yes Yes Yes N/A 4 meters 360º 2 meters Teflon 4.0 seconds None None 14 meters, N US Hwy 85 31 meters, N 3,000 Paved N/A 4 meters 360º 2 meters Teflon 4.0 seconds None None 14 meters, N US Hwy 85 31 meters, N 3,000 Paved N/A 4 meters 360º 2 meters Teflon 4.0 seconds None None 14 meters, N US Hwy 85 31 meters, N 3,000 Paved N/A 4.5 meters 360º 2.1 meters N/A N/A None None 14 meters, N US Hwy 85 31 meters, N 3,000 Paved 85 Maricopa County Air Quality Department CAVE CREEK County ID: CC AQS ID: 04-013-4008 Address: 37019 N Lava Lane, Phoenix Coordinates: 33.82169N, -112.01739W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 86 Ozone Continuous N/A No N/A 26 4 Yes Submitted July 2014 Bi-Weekly N/A API M400 (087) 07/20/2001 SLAMS FEM Max Ozone Concentration Urban Jan-Dec Yes N/A 4.8 meters 360º Teflon 10.2 seconds 2.5 meters None None 14.9 meters 32nd Street 240 meters, NE 1,000 Paved Maricopa County Air Quality Department CENTRAL PHOENIX County ID: CP AQS ID: 04-013-3002 Address: 1645 E Roosevelt, Phoenix Coordinates: 33.45793N, -112.04601W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Ozone Continuous CO Continuous NO2 Continuous SO2 Continuous PM10 Continuous N/A N/A N/A N/A N/A No No No No No N/A N/A N/A N/A N/A 27 27 25 25 24 5 4 4 4 3 Yes Yes Yes Yes Yes Submitted July 2014 Bi-Weekly Submitted July 2014 Bi-Weekly Submitted July 2014 Bi-Weekly Submitted July 2014 Bi-Weekly Submitted July 2014 N/A N/A N/A N/A N/A Bi-Monthly API M400 (087) API M300 (093) API M200 (099) API M100 (100) Thermo TEOM 1400AB (079) 06/01/1967 SLAMS FEM 10/01/1966 SLAMS FRM 01/01/1967 SLAMS FRM 01/01/1965 SLAMS FEM 04/01/1985 SLAMS FEM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Highest Concentration Neighborhood Jan-Dec Highest Concentration Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Yes Yes Yes Yes Yes N/A N/A N/A N/A N/A 10.3 meters 360º Teflon 9.0 seconds 2.5 meters 10.3 meters 360º Teflon N/A 2.5 meters 10.3 meters 360º Teflon 9.0 seconds 2.5 meters 10.3 meters 360º Teflon 10.0 seconds 2.5 meters 10.3 meters 360º N/A N/A 2.1 meters Distance from Obstructions None Distance to Furnace Flue None None None None None None None None None None None None None None 16th Street 88 meters, W 24,000 Roosevelt St. 75 meters, N Unknown Paved 16th Street 88 meters, W 24,000 Roosevelt St. 75 meters, N Unknown Paved 16th Street 88 meters, W 24,000 Roosevelt St. 75 meters, N Unknown Paved 16th Street 88 meters, W 24,000 Roosevelt St. 75 meters, N Unknown Paved 16th Street 91 meters, W 24,000 Roosevelt St. 75 meters, N Unknown Paved Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 87 Maricopa County Air Quality Department DEER VALLEY County ID: DV AQS ID: 04-013-4018 Address: 1030 West Deer Valley Road, Phoenix Coordinates: 33.684627N, -112.08635W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 88 Pb 1 in 6 day Filters sent out to independent laboratory for weighing No N/A 21 (collocated) 1 Yes Submitted July 2014 Weekly Semi-Annual Hi-Q TSP Sampler (109) 07/01/2010 SLAMS FRM Source Oriented Middle Scale Jan-Dec Yes 2.7 meters 4.1 meters 360º N/A N/A 1.1 meters None None None Deer Valley 300 meters, S 6,452 Paved Maricopa County Air Quality Department DURANGO COMPLEX County ID: DC AQS ID: 04-013-9812 Address: 2702 RC Esterbrooks Blvd, Phoenix Coordinates: 33.42650N, -112.11814W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule PM10 Continuous PM2.5 Continuous SO2 Continuous Analysis Method (filters only) N/A N/A N/A Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually No No No N/A Yes N/A 24 21 27 # Accuracy Checks Performed Annually 2 4 4 All Precision/Accuracy Reports Submitted to AQS? Yes Yes Yes Annual Data Certification Submitted? Submitted July 2014 Submitted July 2014 Submitted July 2014 Frequency of One-Point QC Check N/A N/A Bi-Weekly Frequency of Flow Rate Verification Bi-Monthly Bi-Monthly N/A Sampler Make & Model TEOM 1400AB (079) FDMS-TEOM 1400AB (181) API M100 (100) Date Established 07/01/1999 07/01/2005 01/01/2011 Classification SLAMS SLAMS SLAMS Method (FRM, FEM, ARM) FEM FEM FRM Monitoring Type Highest Concentration Highest Concentration Highest Concentration Monitoring Scale Middle Middle Middle Sampling Season Jan-Dec Jan-Dec Jan-Dec Network Meets Minimum Number of Monitors Required? Yes Yes Yes -Appendix E Requirements Distance between collocated samplers N/A N/A N/A Probe Inlet Height 3.9 meters 4.8 meters 3.9 meters Airflow Arc 360º 360º 360º Probe Sample Line Material N/A N/A Teflon Pollutant Sample Residence Time N/A N/A 10.0 sec Distance from Supporting Structure 3.7 meters 2 meters 2 meters Distance from Obstructions 8 meters 2 meters 2 meters Distance to Furnace Flue None None None Spacing from Trees 8 meters, S 8 meters, S 8 meters, S -Appendix C Requirements -Appendix D Requirements 27 Ave 27 Ave 27th Ave Distance and Direction to Road 78 meters, E 76 meters, E 76 meters, E Traffic Count (ADT) 16,000 16,000 16,000 Paved Paved Paved Nearest Major Roadway Groundcover 2013 Final Air Monitoring Network Review th 89 th Maricopa County Air Quality Department Diablo County ID: DI AQS ID: 04-013-4019 Address: Fairmount Dr. & Diablo Way, Tempe Coordinates: 33.3961N, -111.9680 Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? CO Continuous N/A No NO2 Continuous N/A No PM2.5 Continuous N/A No N/A N/A N/A Yes Yes Yes Annual Data Certification Submitted? Start up 2014 Start up 2014 Start up 2014 Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Bi-Weekly N/A Bi-Weekly N/A N/A Bi-Monthly Sampler Make & Model API M300 (093) API M200 (099) TEOM 1405 DF (182) Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements 2/13/2014 SLAMS FRM 02/13/2014 SLAMS FRM 05/01/2014 SLAMS FEM Max. Conc. Source Micro Jan-Dec Max. Conc. Source Micro Jan-Dec Max Conc.Source Micro Jan-Dec Yes Yes Yes N/A 5 meters 360º Teflon 4.5 seconds 2.6 meters None None None Interstate-10 30 meters, E 275,000 Fairmount Dr. 18 meters, N 3,000 Paved/Gravel N/A 5 meters 360º Teflon 4.5 seconds 2.6 meters None None None Interstate-10 30 meters, E 275,000 Fairmount Dr. 18 meters, N 3,000 Paved/Gravel N/A 5 meters 360º N/A N/A 2.4 meters None None None Interstate-10 30 meters, E 275,000 Fairmount Dr. 18 meters, N 3,000 Paved/Gravel Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 90 Maricopa County Air Quality Department DYSART County ID: DY AQS ID: 04-013-4010 Address: 16825 N Dysart Rd, Surprise Coordinates: 33.63713N, -112.34184W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually Ozone Continuous N/A No CO Continuous N/A No PM10 Continuous N/A No N/A N/A N/A 25 14 23 # Accuracy Checks Performed Annually 4 2 2 All Precision/Accuracy Reports Submitted to AQS? Yes Yes Yes Annual Data Certification Submitted? Submitted July 2014 Submitted July 2014 Submitted July 2014 Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Bi-Weekly N/A Bi-Weekly N/A N/A Bi-Monthly Sampler Make & Model API M400 (087) API M300 (093) Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements 7/21/2003 SLAMS FEM 09/01/2003 SLAMS FRM TEOM 1400AB (079) 07/14/2003 SLAMS FRM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Sep-Mar Population Exposure Neighborhood Jan-Dec Yes Yes Yes N/A 3.3 meters 360º Teflon 4.8 seconds 1.6 meters None None None Dysart 17 meters, W 12,000 Bell Rd 495 meters, N 43,000 Paved/Gravel N/A 3.3 meters 360º Teflon 4.8 seconds 1.6 meters None None None Dysart 17 meters, W 12,000 Bell Rd 495 meters, N 43,000 Paved/Gravel N/A 2.6 meters 360º N/A N/A 2 meters None None None Dysart 12 meters, W 12,000 Bell Rd 460 meters, N 43,000 Paved/Gravel Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 91 Maricopa County Air Quality Department FALCON FIELD County ID: FF AQS ID: 04-013-1010 Address: 4530 E McKellips Rd, Mesa Coordinates: 33.45223N. -111.73331W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 92 Ozone Continuous N/A No N/A 26 4 Yes Submitted July 2014 Bi-Weekly N/A API M400 (087) 06/01/1989 SLAMS FEM Population Exposure Neighborhood Jan-Dec Yes N/A 9.3 meters 360º Teflon 16.4 seconds 2.5 meters None None 25+ meters McKellips 58 meters, S 29,000 Paved Maricopa County Air Quality Department FOUNTAIN HILLS County ID: FH AQS ID: 04-013-9704 Address: 16426 E Palisades Blvd, Fountain Hills Coordinates: 33.61103N. -111.72529W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 93 Ozone Continuous N/A Shutdown 8/27/13 for Construction. Reopened 5/14/14 N/A 18 2 Yes Submitted July 2013 Bi-Weekly N/A API M400 (087) 04/01/1996 SLAMS FEM Max Ozone Concentration Neighborhood Jan-Dec Yes N/A 4.3 meters 360º Teflon 4.8 seconds 2 meters Canopy 1 meter higher than probe, located 9 meters to the south None 15 meters, W Palisades Blvd 70 meters, SW 8,000 Paved Maricopa County Air Quality Department GLENDALE County ID: GL AQS ID: 04-013-2001 Address: 6001 W Olive, Glendale Coordinates: 33.56936N. -112.19153W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Ozone Continuous N/A No CO Continuous N/A No PM10 Continuous N/A No PM2.5 Continuous N/A No N/A N/A N/A Yes 24 4 Yes Submitted July 2014 Bi-Weekly N/A 15 1 Yes Submitted July 2014 Bi-Weekly N/A 23 2 Yes Submitted July 2014 N/A Bi-Monthly 21 4 Yes Submitted July 2014 N/A Bi-Monthly Sampler Make & Model API M400 (087) API M300 (093) TEOM 1400AB (079) FDMS-TEOM 1400AB (181) Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements 01/01/1974 SLAMS FEM 01/01/1974 SLAMS FRM 07/01/1987 SLAMS FEM 6/1/2011 SLAMS FEM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Sep-Mar Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Yes Yes Yes Yes N/A 3.7 meters 360º Teflon 4.5 seconds 2 meters 2.5m None None Olive Ave 225 meters, S 25,000 59th Ave 475 meters, E 30,500 Paved N/A 3.7 meters 360º Teflon 4.5 seconds 2 meters 2.5m None None Olive Ave 225 meters, S 25,000 59th Ave 475 meters, E 30,500 Paved N/A 3.4 meters 360º N/A N/A 2.1 meters None None None Olive Ave 227 meters, S 25,000 59th Ave 430 meters, E 30,500 Paved N/A 4.0 meters 360º N/A N/A 3.1 meters None None None Olive Ave 227 meters, S 25,000 59th Ave 430 meters, E 30,500 Paved Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 94 Maricopa County Air Quality Department GREENWOOD County ID: GR AQS ID: 04-013-3010 Address: 1128 N 27th Ave., Phoenix Coordinates: 33.46093N. -112.11748W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? CO Continuous N/A No NO2 Continuous N/A No PM10 Continuous N/A No N/A N/A N/A 27 4 Yes Submitted July 2014 Bi-Weekly N/A 26 3 Yes Submitted July 2014 Bi-Weekly N/A 24 1 Yes Submitted July 2014 N/A Bi-Monthly Sampler Make & Model API M300 (093) API M200 (099) Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements 11/01/1993 SLAMS FRM 11/01/1993 SLAMS FRM TEOM 1400AB (079) 11/01/1993 SLAMS FEM Population Exposure Middle Jan-Dec Population Exposure Middle Jan-Dec Population Exposure Middle Jan-Dec Yes Yes Yes N/A 4.2 meters 360º Teflon 4.3 seconds 2 meters 25+ meters None 20 meters, NW 27th Ave 10 meters, E 18,500 I-10 85 meters, N 229,000 Paved N/A 4.2 meters 360º Teflon 4.3 seconds 2 meters 25+ meters None 20 meters, NW 27th Ave 10 meters, E 18,500 I-10 85 meters, N 229,000 Paved N/A 4.4 meters 360º N/A N/A 2 meters 25+ meters None 20 meters, NW 27th Ave 10 meters, E 18,500 I-10 85 meters, N 229,000 Paved Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 95 Maricopa County Air Quality Department HIGLEY County ID: HI AQS ID: 04-013-4006 Address: 15400 South Higley Road, Gilbert Coordinates: 33.31074N. -111.72255W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 96 PM10 Continuous N/A Yes in 2014 N/A 23 2 Yes Submitted July 2013 N/A Bi-Weekly TEOM 1400AB (079) 07/01/2000 SLAMS FEM Population Exposure Neighborhood Jan-Dec Yes N/A 2.9 meters 360º N/A N/A 2.2 meters 10 meters None 10 meters Higley Rd 117 meters, E 11,500 Williams Field Rd 410 meters, S 11,500 Paved Maricopa County Air Quality Department HUMBOLDT MOUNTAIN County ID: HM AQS ID: 04-013-9508 Address: Seven Springs Rd-FAA Radar Station, Tonto National Forest Coordinates: 33.98280N, -111.79870W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 97 Ozone Continuous N/A No N/A 26 3 Yes Submitted July 2013 Bi-Weekly N/A API M400 (087) 01/01/1993 SLAMS FEM Max Ozone Concentration Regional Jan-Dec Yes N/A 4.5 meters 360º Teflon 6.2 seconds 2.8 meters 9 meters None None N/A (Remote mountaintop site, only reachable by small access road) N/A N/A Dirt/Vegetated Maricopa County Air Quality Department MESA County ID: ME AQS ID: 04-013-1003 Address: 310 S Brooks, Mesa Coordinates: 33.41045N. -111.86507W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Ozone Continuous N/A No CO Continuous N/A No PM2.5 Continuous N/A No PM10 Continuous N/A No N/A N/A Yes N/A 26 5 Yes Submitted July 2014 Bi-Weekly N/A 15 2 Yes Submitted July 2014 Bi-Weekly N/A 21 5 Yes Submitted July 2014 N/A Bi-Weekly 24 2 Yes Submitted July 2014 N/A Bi-Weekly API M400 (087) 11/1/2012 SLAMS FEM API M300 (093) 01/01/1978 SLAMS FEM TEOM 1405-DF (182) TEOM 1400AB (079) 11/1/2012 SLAMS FEM 11/1/2012 SLAMS FEM Monitoring Type Population Exposure Population Exposure Population Exposure Population Exposure Monitoring Scale Neighborhood Neighborhood Neighborhood Neighborhood Sampling Season Jan-Dec Sep-Mar Jan-Dec Jan-Dec Yes Yes Yes Yes N/A 7 meters 360º Teflon 4.6 seconds 2 meters 25+ meters None 25+ meters Broadway Rd. 305 meters, S 33,000 Paved/Gravel N/A 7 meters 360º Teflon 4.6 seconds 2 meters 25+ meters None 25+ meters Broadway Rd. 305 meters, S 33,000 Paved/Gravel N/A 6.9 meters 360º N/A N/A 3 meters 25+ meters None 25+ meters Broadway Rd. 305 meters, S 33,000 Paved/Gravel N/A 6.2 meters 360º N/A N/A 2.5 meters 25+ meters None 25+ meters Broadway Rd. 305 meters, S 33,000 Paved/Gravel Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 98 Maricopa County Air Quality Department NORTH PHOENIX County ID: NP AQS ID: 04-013-1004 Address: 601 E Butler Dr., Phoenix Coordinates: 33.56033N, -112.06626W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review Ozone Continuous N/A No CO Continuous N/A No PM10 Continuous N/A No PM2.5 Continuous N/A No N/A N/A N/A Yes 26 4 15 1 32 2 21 5 Yes Yes Yes Yes Submitted July 201 Bi-Weekly N/A Submitted July 2014 Bi-Weekly N/A Submitted July 2014 N/A Bi-Weekly Submitted July 2014 N/A Bi-Weekly API M400 (087) API M300 (093) BAM 1020 (122) 01/01/1975 SLAMS FEM 01/01/1974 SLAMS FRM 9/1/2011 SLAMS FEM 9/1/2011 SLAMS FEM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Sep-Mar Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Yes Yes Yes Yes N/A 4.6 meters 360º Teflon 5.0 seconds 2.1 meters 4 meters None None 7th Street 75 meters, E 32,000 Gravel N/A 4.6 meters 360º Teflon 5.0 seconds 2.1 meters 4 meters None None 7th Street 75 meters, E 32,000 Gravel N/A 4.5 meters 360º N/A N/A 2.1 meters 4 meters None None 7th Street 75 meters, E 32,000 Gravel N/A 4.5 meters 360º N/A N/A 3.3 meters 5 meters None None 7th Street 75 meters, E 32,000 Gravel 99 BAM 1020 (122) / TEOM 1400AB (079 Maricopa County Air Quality Department PINNACLE PEAK County ID: PP AQS ID: 04-013-2005 Address: 24295 N Alma School Rd, Scottsdale Coordinates: 33.70655N, -111.85557W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 100 Ozone Continuous N/A No N/A 25 4 Yes Submitted July 2014 Bi-Weekly N/A API M400 (087) 02/01/1988 SLAMS FEM Max Ozone Concentration Urban Jan-Dec Yes N/A 5.9 meters 360º Teflon 6.2 seconds 3 meters 4.2 meters None None Happy Valley Rd. 61 meters, S 16,000 Paved/Grass Maricopa County Air Quality Department RIO VERDE County ID: RV AQS ID: 04-013-9706 Address: 25608 N Forest Rd., Rio Verde Coordinates: 33.71881N, -111.67183W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 101 Ozone Continuous N/A No N/A 24 4 Yes Submitted July 2014 Bi-Weekly N/A API M400 (087) 01/01/1997 SLAMS FEM Max Ozone Concentration Urban Jan-Dec Yes N/A 6.2 meters 360º Teflon 9.7 seconds 3 meters 3 meters None None Forest Rd 43 meters, E Unknown Paved Maricopa County Air Quality Department SOUTH PHOENIX County ID: SP AQS ID: 04-013-4003 Address: 33 W Tamarisks, Phoenix Coordinates: 33.40316N, -112.07533W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Ozone Continuous CO Continuous PM2.5 Continuous PM10 Continuous Analysis Method (filters only) N/A N/A N/A N/A Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements No No No No N/A N/A Yes N/A # Precision Checks Performed Annually 25 14 19 20 # Accuracy Checks Performed Annually 2 2 4 2 All Precision/Accuracy Reports Submitted to AQS? Yes Yes Yes Yes Submitted July 2014 Bi-Weekly N/A Submitted July 2014 Bi-Weekly N/A Submitted July 2014 N/A Submitted July 2014 N/A Bi-Monthly Sampler Make & Model API M400 (087) API M300 (093) TEOM 1405-DF (182) TEOM 1400AB (079) Date Established 10/01/1999 10/01/1999 05/01/2010 7/1/2007 Classification SLAMS SLAMS SLAMS SLAMS Method (FRM, FEM, ARM) FEM FRM FEM FEM Monitoring Scale Population Exposure Neighborhood Population Exposure Neighborhood Population Exposure Neighborhood Population Exposure Neighborhood Sampling Season Jan-Dec Sep-Mar Jan-Dec Jan-Dec Yes Yes Yes Yes N/A 4.9 meters 360º Teflon 6.9 seconds 5 meters 25+m N/A 5.5 meters 360º N/A N/A 5 meters 25+m None N/A 5.4 meters 360º N/A N/A 2 meters 25+m None Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements -Appendix D Requirements Monitoring Type Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue None N/A 4.9 meters 360º Teflon 6.9 seconds 5 meters 25+m None Spacing from Trees 9 meters 9 meters 4 meters 2 meters Nearest Major Roadway A Central Ave Central Ave Central Ave Central Ave Distance and Direction to Road 168 meters, E 168 meters, E 168 meters, E 165 meters, E Traffic Count (ADT) 24,000 24,000 24,000 24,000 Broadway Rd Broadway Rd Broadway Rd Broadway Rd 385 meters, N 385 meters, N 385 meters, N 385 meters, N 18,000 Paved 18,000 Paved 18,000 Paved 18,000 Paved Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 102 Maricopa County Air Quality Department SOUTH SCOTTSDALE County ID: SS AQS ID: 04-013-3003 Address: 2857 N Miller Rd., Scottsdale Coordinates: 33.47968N, -111.91721W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Ozone Continuous CO Continuous PM10 Continuous Analysis Method (filters only) N/A N/A N/A Any Proposal to Remove or Move Monitor? No No No N/A N/A N/A # Precision Checks Performed Annually 26 15 26 # Accuracy Checks Performed Annually 4 2 2 All Precision/Accuracy Reports Submitted to AQS? Yes Yes Yes Annual Data Certification Submitted? Submitted July 2014 Submitted July 2014 Submitted July 2014 Frequency of One-Point QC Check Bi-Weekly Bi-Weekly N/A Frequency of Flow Rate Verification -Appendix C Requirements N/A N/A Bi-Weekly Sampler Make & Model API M400 (087) API M300 (093) TEOM 1405 (079) Date Established 01/01/1974 01/01/1974 09/01/2012 Classification SLAMS SLAMS SLAMS Method (FRM, FEM, ARM) FEM FRM FEM Monitoring Type Population Exposure Population Exposure Population Exposure Monitoring Scale Neighborhood Neighborhood Neighborhood Sampling Season Jan-Dec Sep-Mar Jan-Dec Yes Yes Yes N/A 5.8 meters 360º N/A 5.8 meters 360º N/A 6.1 meters 360º Probe Sample Line Material Teflon Teflon N/A Pollutant Sample Residence Time 7.3 seconds 7.3 seconds N/A Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road 2.5 meters 2.5 meters None 10 meters Thomas 66 meters, N 2.5 meters 2.5 meters None 10 meters Thomas 66 meters, N 2.5 meters 3 meters None 10 meters Thomas 62 meters, N 33,000 33,000 33,000 Miller Miller Miller Distance and Direction to Road 32 meters, W 32 meters, W 35 meters, W Traffic Count (ADT) 13,000 13,000 13,000 Paved Paved Paved Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements -Appendix D Requirements Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Traffic Count (ADT) Nearest Major Roadway B Groundcover 2013 Final Air Monitoring Network Review 103 Maricopa County Air Quality Department TEMPE County ID: TE AQS ID: 04-013-4005 Address: 1525 S College, Tempe Coordinates: 33.4124N, -111.93473W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Ozone Continuous CO Continuous PM10 Continuous PM2.5 Continuous Analysis Method (filters only) N/A N/A N/A N/A Any Proposal to Remove or Move Monitor? No No No No N/A N/A N/A Yes 26 3 16 2 26 1 23 2 All Precision/Accuracy Reports Submitted to AQS? Yes Yes Yes Yes Annual Data Certification Submitted? Submitted July 2014 Submitted July 2014 Submitted July 2014 Submitted July 2014 Frequency of One-Point QC Check Bi-Weekly Bi-Weekly N/A N/A Frequency of Flow Rate Verification N/A N/A Bi-Weekly Bi-Weekly Sampler Make & Model API M400 (087) API M300 (093) Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure 07/01/2000 SLAMS FEM 07/01/2000 SLAMS FRM TEOM 1400 AB (079) 3/1/2012 SLAMS FEM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Sep-Mar Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Yes Yes Yes Yes N/A 4.4 meters 360º Teflon 4.5 seconds 2.5 meters N/A 4.4 meters 360º Teflon 4.5 seconds 2.5 meters N/A 2.7 meters 360º N/A N/A 2 meters N/A 3.7 meters 360º N/A N/A 3 meters Distance from Obstructions 2.5 meters 2.5 meters 8 meters 7 meters Distance to Furnace Flue None None None None Spacing from Trees None None None None Nearest Major Roadway A Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually -Appendix C Requirements TEOM1405 DF (182) 3/1/2012 SLAMS FEM College Ave College Ave College Ave College Ave Distance and Direction to Road 11 meters, W 11 meters, W 11 meters, W 11 meters, W Traffic Count (ADT) Unknown Unknown Unknown Unknown Apache Apache Apache Apache Distance and Direction to Road 370 meters, N 370 meters, N 370 meters, N 370 meters, N Traffic Count (ADT) 25,000 25,000 25,000 25,000 Gravel Gravel Gravel Gravel Nearest Major Roadway B Groundcover 2013 Final Air Monitoring Network Review 104 Maricopa County Air Quality Department WEST CHANDLER County ID: WC AQS ID: 04-013-4004 Address: 275 S Ellis, Chandler Coordinates: 33.29898N, -111.88431W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements Ozone Continuous N/A Yes in 2014 CO Continuous N/A Yes in 2014 PM10 Continuous N/A Yes in 2014 N/A N/A N/A # Precision Checks Performed Annually 26 15 24 # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? 3 Yes Submitted July 2014 Bi-Weekly N/A 3 Yes Submitted July 2014 Bi-Weekly N/A 2 Yes Submitted July 2014 N/A Bi-Weekly Sampler Make & Model API M400 (087) API M300 (093) TEOM 1400 AB (079) Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements 07/01/2000 SLAMS FEM 07/01/2000 SLAMS FRM 07/01/2000 SLAMS FRM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Sep-Mar Population Exposure Middle Jan-Dec Yes Yes Yes N/A 4.4 meters 360º Teflon 4.6 seconds 1.5 meters 3.5 meters None 14 meters, E Frye Rd 3.5 meters, S Unknown (secondary street) Ellis St 73 meters, W Unknown (secondary street) Paved/Gravel N/A 4.4 meters 360º Teflon 4.6 seconds 1.5 meters 3.5 meters None 14 meters, E Frye Rd 3.5 meters, S Unknown (secondary street) Ellis St 73 meters, W Unknown (secondary street) Paved/Gravel N/A 4.4 meters 360º N/A N/A 2.5 meters 3.5 meters None 14 meters, E Frye Rd 3.5 meters, S Unknown (secondary street) Ellis St 71 meters, W Unknown (secondary street) Paved/Gravel Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway A Distance and Direction to Road Traffic Count (ADT) Nearest Major Roadway B Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 105 Maricopa County Air Quality Department WEST 43RD AVENUE County ID: WF AQS ID: 04-013-4009 Address: 3940 W Broadway, Phoenix Coordinates: 33.40642N, -112.14434W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 106 PM10 Continuous N/A No N/A 25 2 Yes Submitted July 2014 N/A Bi-Weekly TEOM 1400AB (079) 04/01/2002 SLAMS FEM Highest Concentrations Middle Jan-Dec Yes N/A 5 meters 360º N/A N/A 2.6 meters None None None Broadway Road 37 meters, SE Unknown Gravel Maricopa County Air Quality Department WEST PHOENIX County ID: WP AQS ID: 04-013-0019 Address: 3847 W Earll, Phoenix Coordinates: 33.48385N, -112.14257W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Ozone Continuous CO Continuous NO2 Continuous No No No N/A Yes Yes N/A 26 26 21 (Collocated) 31 28 4 3 4 2 4 1 Yes Yes Yes Yes Yes Yes Submitted July 2014 Bi-Weekly Submitted July 2014 Bi-Weekly Submitted July 2014 Bi-Weekly Submitted July 2014 N/A Submitted July 2014 N/A Submitted July 2014 N/A N/A N/A N/A Every 6 weeks Bi-Weekly Bi-Weekly API M400 (087) API M300 (093) API M200 (099) Thermo 2025 BAM 1020 (170) 01/01/84 SLAMS FEM 01/01/84 SLAMS FRM 05/24/90 SLAMS FRM 06/13/00 SLAMS FRM 09/01/05 SLAMS FEM BAM 1020 (122) / TEOM 1400AB (079) 02/01/88 SLAMS FEM Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Highest Concentration Neighborhood Jan-Dec Highest Concentration Neighborhood Jan-Dec Population Exposure Neighborhood Jan-Dec Yes Yes Yes Yes Yes Yes N/A N/A N/A 2.3 meters N/A N/A 4.3 meters 4.3 meters 4.3 meters 2.8 meters 3.6 meters 2.7 meters 360º 360º 360º 360º 360º 360º Probe Sample Line Material Teflon Teflon Teflon N/A N/A N/A Pollutant Sample Residence Time 4.4 seconds 4.4 seconds 4.4 seconds N/A N/A N/A Distance from Supporting Structure 1.3 meters 1.3 meters 1.3 meters 2.6 meters 2.5 meters 3 meters Distance from Obstructions None None None 11 meters None None Distance to Furnace Flue None None None None None None -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover N/A No No No N/A N/A 26 PM10 Continuous N/A PM2.5 NAAQS per Part 58.30? N/A PM2.5 Continuous N/A Any Proposal to Remove or Move Monitor? Is site suitable for comparison to N/A PM2.5 1 in 3 days Weighed InHouse None None None None None None Thomas Thomas Thomas Thomas Thomas Thomas 360 meters, S 360 meters, S 360 meters, S 360 meters, S 360 meters, S 360 meters, S 29,000 Gravel 29,000 Gravel 29,000 Gravel 29,000 Gravel 29,000 Gravel 29,000 Gravel 2013 Final Air Monitoring Network Review 107 Maricopa County Air Quality Department ZUNI HILLS County ID: ZH AQS ID: 04-013-4016 Address: 10851 West Williams Rd., Sun City Coordinates: 33.68674N, -112.29417W Metropolitan Sampling Area (MSA): 6200 Phoenix-Mesa -General Information Pollutant Sampling Schedule Analysis Method (filters only) Any Proposal to Remove or Move Monitor? Is site suitable for comparison to PM2.5 NAAQS per Part 58.30? -Appendix A Requirements # Precision Checks Performed Annually # Accuracy Checks Performed Annually All Precision/Accuracy Reports Submitted to AQS? Annual Data Certification Submitted? Frequency of One-Point QC Check Frequency of Flow Rate Verification -Appendix C Requirements Sampler Make & Model Date Established Classification Method (FRM, FEM, ARM) -Appendix D Requirements Monitoring Type Monitoring Scale Sampling Season Network Meets Minimum Number of Monitors Required? -Appendix E Requirements Distance between collocated samplers Probe Inlet Height Airflow Arc Probe Sample Line Material Pollutant Sample Residence Time Distance from Supporting Structure Distance from Obstructions Distance to Furnace Flue Spacing from Trees Nearest Major Roadway Distance and Direction to Road Traffic Count (ADT) Groundcover 2013 Final Air Monitoring Network Review 108 PM10 Continuous N/A Shutdown June-August 2014 N/A 23 2 Yes Submitted July 2014 N/A Bi-Weekly TEOM 1400AB (079) 12/01/09 SPM FEM Population Exposure Neighborhood Scale Jan-Dec Yes N/A 2.3 meters 360º N/A N/A 2.6 meters None None None Williams Rd 200 meters, N Unknown (residential street) Lawn/Dirt Maricopa County Air Quality Department APPENDIX III - PUBLIC NOTICE AND COMMENT INFORMATION Public Notice Period To fulfill the requirements of 40 CFR Part 58, §58.10, the MCAQD posted a draft copy of this Network Review on our website on September 22, 2014 and held a Network Review Public Information Workshop on October 21, 2014 at 1:00 p.m. The outlets used to notify the public of this network review and associated workshop were:  the MCAQD’s website,  by electronic feed to MCAQD subscribers, and  the Arizona Republic, a newspaper of general circulation in Maricopa County. Public Notice Announcement Language The public notice read as follows: The Maricopa County Air Quality Department will hold a public meeting to discuss its 2013 Air Monitoring Network Plan on October 21, 2014 at 1:00 p.m. The meeting will be held at the Air Monitoring Division’s offices at 2145 S. 11th Ave. suite 170, Phoenix, AZ 85007. A copy of the draft network review is currently available on the department’s website at the following website address: http://www.maricopa.gov/aq/divisions/monitoring/network.aspx Hard copies of the document may be requested from the department’s Records Management Coordinator at (602) 506-6201 or at the department's address: 1001 North Central Avenue, Phoenix, Arizona 85004. Arrangements may be made to view the information every Monday through Friday (excluding major holidays) between 8:00 a.m. and 4:30 p.m. There is a small fee for copying available documents. The 2013 Air Monitoring Network Plan covers ambient air monitoring activity captured by the department’s 24 air monitoring sites throughout 2012. The Air Monitoring Network Review also provides a summary of the pollutants measured by Maricopa County, a look at the air monitoring network design and monitoring site details and statistics from the past year among other information. Additional information on the draft Air Monitoring Network Plan may be obtained by contacting Ben Davis at 2145 S 11th Avenue #170, Phoenix, AZ 85007 or (602) 258-5155 x221. The purpose of the October 21, 2013 public meeting is to receive comments from the public on the draft Network Review. Members of the public may comment in person or through written statements to the department. Written comments shall state the name and mailing address of the person making comment and be signed by that person or authorized agent or attorney. Written comments on the draft document are due to the department by October 23, 2013 at 5:00 p.m. A sign language and/or Spanish interpreter will be made available upon request with 72 hour notice. Additional reasonable accommodations will be made available to the extent possible within the time frame of the request. 2013 Final Air Monitoring Network Review 109 Maricopa County Air Quality Department News Release The following is a copy of the news release that was advertised in the Arizona Republic and at the MC website. Figure 14 Network Review Public Notice News Release Source: MCAQD website 2013 Final Air Monitoring Network Review 110 Maricopa County Air Quality Department Workshop Attendee List Figure 15 Network Review Workshop Attendance Sheet Public Comments and Changes Made to the 2013 Review Draft During the public comment period, the MCAQD received written and verbal comments from agencies’ representatives. Personnel at MCAQD reviewed the document as well and addressed the public comments received. Nearly all changes requested were successfully made prior to submitting this document to EPA Region 9 in November 2014. Changes regarding data were verified using data from the AQS and the county’s internal records. Changes to correct information or data were made while a few changes relating more toward document formatting were held for next year’s document due to time constraints. The MCAQD personnel appreciate the time and effort that individuals took to review the 2013 Network Review draft for accuracy and clarity. Given the detailed nature of this document, feedback from others helps ensure our network review is correct, timely, and useful to the public. 2013 Final Air Monitoring Network Review 111 Maricopa County Air Quality Department