# 2011 Ambient Air Monitoring Network Report

Washington State Department of Ecology 300 Desmond Drive/PO Box 47600 Olympia, Washington 98504-7600

May 2011 Publication no. 11-02-017

## Publication and Contact Information

This report is available on the Department of Ecology’s website at www.ecy.wa.gov/biblio/1102017.html

For more information contact:

Air Quality Program
P.O. Box 47600 Olympia, WA 98504-7600

Phone: 360-407-6800

Washington State Department of Ecology - www.ecy.wa.gov

o Headquarters, Olympia 360-407-6000

o Northwest Regional Offi ce, Bellevue 425-649-7000

o Southwest Regional Office, Olympia 360-407-6300

o Central Regional Office, Yakima 509-575-2490

o Eastern Regional Office, Spokane 509-329-3400

To ask about the availability of this document in a format for the visually impaired, call the Air Quality Program at 360-407-68 00. Persons with hearing loss can call 711 for Washington Relay Service. Persons with a speech disability can call 877-833-6341.

# 2011 Ambient Air Monitoring Network Report

by Mike Ragan

Air Quality Program Washington State Department of Ecology Olympia, WashingtonThis page is purposely left blank

### i 

# Table of Contents

Executive Summary ........................................................................................................... i ii Purpose of the report .................................................................................................... iii Background information .............................................................................................. iii Monitoring network requirements ............................................................................... iii Using monitoring data .................................................................................................. iv

Introduction .................................................................................................................. ........1
Regulatory Requirements a nd Other Data Needs ................................................................1 Appendix D Requirements .............................................................................................1 Monitoring Objectives and Spatial Scales .............................................................1 Number of State and Local Air Monitoring Stations ............................................2 Appendix E Requirements .............................................................................................3 Other Ambient Air Monitoring Data Needs ..........................................................3 Network Review Procedure ...........................................................................................4 Network Review Team and Preparation ................................................................4 Network Modifications ..........................................................................................4 Determining Compliance with Appendix D and Special Monitoring Requirements

.............................................................................................................................. .5 Determining Compliance with Appendix E Requirements ...................................5 Network Evaluation and Recomme ndations/Modifications ..........................................6 Carbon Monoxide (CO, 42101) .............................................................................6 Ozone (O 3 

### , 44201) .................................................................................................8 Nitrogen Dioxide (NO 2 

### , 42602) ..........................................................................11 Sulfur Dioxide (SO 2 

### , 42401) ...............................................................................12 Particulate Matter 10 (PM 10 

### , 81102) ...................................................................13 Particulate Matter 2.5 (PM 2.5 

### , 88101, 88502) ......................................................18 Other – Contracted Sites USFS ...........................................................................28 Other – Contracted Sites Tribal/EPA ..................................................................29 Other – Contracted Local Air Agencies ..............................................................31 Meteorological Monitoring .................................................................................32 Lead (Pb 11351) ..................................................................................................34 Trace Gas Monitoring ..........................................................................................35 Toxics ..................................................................................................................38 Speciation ............................................................................................................39

References .................................................................................................................... ......41

### ii 

# List of Tables and Figures

Table 1: Relationship between Monitoring Obje ctives and Scale of Representativeness .............. 2 Table 2: Summary of Spa tial Scales for SLAMS ........................................................................... 2 Table 3: Summary of Probe and Mo nitoring Path Siting Criteria .................................................. 4 Table 4: Carbon Monoxide, 42101 ............................................................................................... .. 6 Table 5: Ozone, 44201 ......................................................................................................... ........... 8 Table 6: Particulate Matter 10 (PM10, 81102) ............................................................................. 13 Table 7: Particulate Matter (PM2.5, 88101, 88502) ..................................................................... 18 Table 8: Other Contracted Sites USFS ......................................................................................... 28 Table 9: Other - Contracted Sites Tribal/EPA .............................................................................. 29 Table 10: Other - Contracted Local Air Agencies ........................................................................ 31 Table 11: Meteorological Monitoring ........................................................................................... 32 Table 12: Pb Lead (11351) ..................................................................................................... ...... 34 Table 13: Trace Gas Monitoring ................................................................................................ ... 35 Table 14: NCore Parameters Seattle Beacon Hill ......................................................................... 36 Table 15: NCore Parameters Cheeka Peak ................................................................................... 37 Table 16: Toxics .............................................................................................................. ............. 38 Table 17: Speciation .......................................................................................................... ........... 39

Figure 1: Spokane CO Da ily 8-hour Maximums ............................................................................ 7

### iii 

# Executive Summary

Purpose of the report

The Department of Ecology (Ecology) reviews its am bient air quality monitoring network each year to ensure that it collects adequate, representative, a nd useful air quality data on which to base policy decisions. This report summarizes the results of the 2011 review. These results include:

• Identifying modifications to Ecology’s ambien t air monitoring network since the 2010 annual network report

• Identifying proposed modifications to the network for the upcoming year

• Documenting Ecology’s ambient air quality monitoring needs, goals, and priorities


# Background information

The United States Environmental Protection Agency (EPA) ambient air quality surveillance regulations (Code of Federal Regulations, Title 40, Part 58 (40 CFR Part 58) require states to establish air quality surveillance systems in their State Implementation Plans (SIPs). An air quality surveillance system consists of a network of State and Local Air Mon itoring Stations (SLAMS). These stations measure ambient concentrations of those air pollutants for which 40 CFR Part 50 sets standards.



# Monitoring network requirements

SLAMS must meet requirements of 40 CFR Part 58 contained in:

• Appendix A (Quality Assurance Requirements)

• Appendix C (Ambient Air Qua lity Monitoring Methodology)

• Appendix D (Network Design Criteria)

• Appendix E (Probe and Path Siting Criteria)

States determine if they conform to Appendices A and C in part through periodic systems and performance audits (per Section 2.4 of Appendix A). States conform to Appendices D and E by conducting an annual network review of their air qua lity surveillance systems (per 40 CFR 58.20(d)). The annual network review:

• Determines if an ambient air quality monito ring network is achieving its required air monitoring objectives

• Identifies changes to the network needed to en able an organization to meet its objectives

### iv 

# Using monitoring data

Ecology uses its air monitoring data to:

• Determine compliance with the National Ambient Air Quality Standards (NAAQS)

• Determine maximum pollutant concentrations

• Forecast air quality

• Evaluate the effectiveness of air pollution control programs

• Evaluate the effects of air pollution on public health

• Track the progress of SIPS

• Support dispersion models

• Determine air quality trends

• Develop responsible and cost-effec tive pollution control strategies

• Analyze pollution episodes

• Assist with permitting work

### 1 

# Introduction

The Code of Federal Regulations, Title 40, Part 58 (40 CFR Part 58) contains the federal Environmental Protection Agency’s (EPA’s) ambient air quality surve illance regulations. Sectio n 58.20 requires states to establish air quality surveillance systems in their St ate Implementation Plans (SIPs). The air quality surveillance system consists of a network of d esignated State and Local Air Monitoring stations (SLAMS). These stations measure ambient concentra tions of those air pollutants for which standards exist in 40 CFR Part 50 and Part 58, Appendices A (Quality Assurance Requirements), C (Ambient Air Quality Monitoring Methodology), D (Network Design Cr iteria) and E (Probe and Path Siting Criteria). States determine compliance with Appendices A and C in part through periodic systems and performance audits (per Section 2.4 of Appendix A). States comply with Appendices D and E by conducting an annual network review of their air quality surve illance systems (per 40 CFR 58.20(d)). The annual network review determines if the network achieved its required air m onitoring objectives and if it should be modified (e.g., termination, relocation or est ablishment of monitoring stations) to meet those objectives. The main purpose of this review is to ensure that an ambient air quality monitoring network collects adequate, representative, and useful air qua lity data on which to base policy decisions. The ambient air quality data from Ecology’s network is used for a variety of purposes, including:



### • Determining compliance with the National Ambient Air Quality Standards (NAAQS)

• Determining the location of maximum pollutant concentrations

• Determining the effectiveness of air pollution control programs

• Evaluating the effects of ai r pollution on public health

• Tracking the progress of SIPS

• Supporting dispersion models

• Developing responsible, cost-eff ective, contro l strategies

• Developing air quality trends

• Analyze pollution episodes

• Assist with permitting work 

# Regulatory Requirements and Other Data Needs

Appendix D Requirements

Appendix D of 40 CFR 58 describes concepts for designing the SLAMS network. It addresses monitoring objectives and the criteria for selecting th e location and number of air monitoring stations. The concepts and guidance in Appendix D, as well as other non-regulatory EPA data needs, should be considered when evaluating the ad equacy of the SLAMS network.



## Monitoring Objectives and Spatial Scales

Appendix D calls for the design of SLAMS networks to meet a minimum of six basic objectives:

(1) Determine the highest pollutant concentrations expected in the area covered by the network (2) Determine representative pollutant concentr ations in areas of high population density (3) Determine the impact of significant sources or s ource categories on pollutant concentrations in the ambient air

### 2 (4) Determine general background pollutant concentrations (5) Determine the regional extent of pollu tant transport between populated areas (6) Determine the impacts (e.g., visibility impairment, vegetation effects) in more rural and remote areas on the secondary (i.e., welfare) standards

SLAMS networks are designed to provide data for meeting the monitoring objectives described above and to assist EPA and states in solving environmental problems.

Appendix D also provides guidance on spatial scales of representativeness for stations in a SLAMS network (Table 1). Ideally, the monitor is located so that its sample represents the air quality over the entire area that the monitoring station is intended to represent (Table 2).



## Table 1: Relationship between Monitoring Objectives and Scale of Representativeness
Monitoring Objectives Appropriate Siting Scales

Highest concentration Micro, middle, neighborhood, urban Population Neighborhood, urban Source impact Micro, middle, neighborhood General/Background Neighborhood, urban, regional

Regional transport Urban/regional Welfare-related impacts Urban/regional



## Table 2: Summary of Spatial Scales for SLAMS

Scales Applicable for SLAMS

SO 2 CO O 3 NO 2 Pb PM 10 PM 2.5
Micro.............. 9 9 9 9 9

Middle............ 9 9 9 9 9 9 9
Neighborhood 9 9 9 9 9 9 9

Urban............. 9 9 9 9 9 9
Regional......... 9 9 9 9 9



## Number of State and Local Air Monitoring Stations

Appendix D to 40 CFR Part 58 does not contain criteria fo r determining the total number of stations in the SLAMS network, except for requiring a minimum number of SLAMS lead, SO 2 , and PM 2.5 sites. For lead, EPA requires state and local agencies to fo cus their network design efforts on establishing monitoring stations around lead stationary sources wh ich generate or have th e potential to generate exceedances of the quarterly lead NAAQS. Sources around which lead monitoring networks should be established are those emitting half ton or more per year. Other factors affect the number of stations in the network.

SLAMS SO 2 monitoring requirements for counties not within the boundaries of any Consolidated Metropolitan Statistical Area/Metropolitan Statistical Area (CMSA/MSA) are based on the emissions of SO 2 in the airshed. A minimum number of SO 2 SLAMS sites are required for targeted sources of SO 2 emissions. Other than these requirements, the optim um size of a particular SLAMS network involves tradeoffs between data needs and available resource s which can best be resolved during the network design process.

### 3 

# Appendix E Requirements

Appendix E contains siting criteria to be applied to ambient air quality analyzers or samplers after the general site location has been selected based on the monitoring objectives and spatial scales of representativeness presented in Appendix D and summarize d in Section 2.1 of this document. The siting criteria presented in Appendix E are summarized in Table 3.



## Other Ambient Air Monitoring Data Needs

Washington has had a number of special purpose monitors (SPMs) deployed throughout the State. They are used for a variety of purposes, including Wash ington’s Air Quality Advisory program, ambient air quality assessment and special studies such as secondary aerosol and ozone precursor assessments SPM monitoring sites often utilize Federal Reference Meth od (FRM) sampling equipment, and are operated in accordance with CFR requirements for quality assurance and quality c ontrol. SPM designation for criteria pollutant monitoring sites allows Ecology to assess ambient particulate levels within regions of the State, while providing the flexibility to relocate th e sites if it is determined there is no concern for NAAQS violations in the area (typically after three y ears of data collection). SPM sites may be added to Ecology’s SLAMS network when a NAAQS exceedance h as been recorded, or if elevated pollutant concentrations are consistently measured at the site.

### 4 

## Table 3: Summary of Probe and Mo nitoring Path Siting Criteria

Pollutant Scale [maximum monitoring path length,

meters] Height from ground to probe or 80% of monitoring path (meters) Horizontal and vertical distance from supporting structures

to probe or 90% of

monitoring path (meters) Distance from trees to probe or 90% of monitoring path (meters)

SO 2 Middle [300m] Neighborhood,

Urban, and Regional

[1km] 3-15 >1 >10

CO Micro, Middle [300m] Neighborhood [1km] 3 ± 0.5; 3-15 >1 >10

O 3 Middle [300m] Neighborhood,

Urban, and Regional

[1km] 3-15 >1 >10

Ozone

precursors Neighborhood and urban

[1km] 3-15 >1 >10

NO 2 Middle [300m] Neighborhood

and Urban

[1km] 3-15 >1 >10

PM 10 Micro; Middle, Neighborhood,

Urban and Regional 2-7 (Micro); 2-15 (All other scales) >2 (All scales, horizontal distance only) >10 (All scales)



# Network Review Procedure

Network Review Team and Preparation

Network report participants include the Washington State Department of Ecology Air Quality staff. Sufficient information is provided to determine co mpliance of the network with regulatory network design and siting requirements specified in 40 CF R Part 58, Appendices D and E as to determine compliance of the network design and siting requirement s specified for all special ambient air monitoring networks.



## Network Modifications

Modifications to the SLAMS network are addressed in 40 CFR 58.25, 58.36, and 58.46, respectively. Under Section 58.25, States are required to annuall y develop and implement schedules to modify the SLAMS network to eliminate any unnecessary stations or to correct any inadequacies indicated by the annual network review required by 58. 20(d). As part of the annual ne twork review, evaluations of the special networks established as partnership agreem ents between EPA and Ecology should also be conducted. Modifications to these networks should be recommended as a result of this annual report.

### 5 An important objective of the network modification process is determining whether or not sufficient ambient air quality information and data are bei ng provided by the regulatory and other special monitoring networks to satisfy the principal data needs. If sufficient air quality data are not being collected, the deficient area must be identified a nd corrective action taken to resolve the problem. Conversely, if it is determined that excessive data are being collected (e.g., there are redundant sites resulting in data that agree closely), then efforts need to be taken to determine where disinvestment should be made and on what schedule.

Network modifications may be initiate d by EPA or proposed by Ecology and agreed to by EPA. Network modifications may result from revisions to the Part 58 regulations, systems audits, site visits, or performance evaluations; special studies/saturation sampling, population increases/decreases; air quality concentrations consistently recorded below the NAA QS; loss of permission to use a site; demolition of a building which is used for monitoring; building cons truction; growth of trees; changes in roadways; change in neighborhood type of use, etc.



## Determining Compliance with Appendix D and Special Monitoring Requirements

Ecology uses this review to determine whether it is m eeting the number of monitors required by the Part 58 Appendix D design criteria requirements, and whet her the monitors properly located based on the monitoring objectives and spatial scales of repr esentativeness presented in Appendix D.



### Number and Location of Monitors

For SLAMS, the number of monitors required and their locations are not specified in the regulations but rather are determined by EPA Region 10 and Ecol ogy on a case-by-case basis. EPA and Ecology ensure that SLAMS meet the monitoring objectives specified in Appendix D. Adequacy of the network is be determined by using a variety of tool s. Appropriate location of monito rs can be determined on the basis of stated objectives.

Monitor locations are based on the objectives specified in Appendix D, Section 3. Most often, these locations are those that have high concentrations and large population exposure. Population information may be obtained from the latest census data and ambient monitoring data from AQS. If zip codes for various monitoring locations are obtained, use of electronic media census information and GIS-based information can be more easily comb ined with ambient monitoring data.

For special monitoring needs, program documents a pplicable to the network must be reviewed to determine the goals and specific siting criteria for the network. Compliance with monitoring objective determinations of the special netw ork should be conducted using procedures similar to those used for Appendix D evaluations (are the numbe r of monitors appropriate and are the monitors properly located).



## Determining Compliance with Appendix E Requirements

Applicable siting criteria for SLAMS are specified in 40 CFR 58, Appendix E. The on-site visit itself consists of the physical measurements and observa tions needed to determine compliance with the Appendix E requirements, such as height above the gr ound level, distance from trees, paved or vegetative ground cover, etc.

### 6 

# Network Evaluation and Recommendations/Modifications

Carbon Monoxide (CO, 42101)

National Ambient Air Quality Standard (NAAQS):



### • 1-hour average concentration not to exceed 35 ppm, on more than one occasion in a calendar year, measured at any monitoring site.

• 8-hour average concentration not to ex ceed 9 ppm for any 8-hour period, on more than one occasion in a calendar year , measured at any monitoring site.

Washington’s carbon monoxide monitoring networ k is comprised of one site statewide.



## Table 4: Carbon Monoxide, 42101

AQS # Site Name Est. Type Scale Sampling Frequency Action for 2011 530630049 Spokane, 3 r d & Washington 1/1/97 SLAMS Micro Continuous Discontinue

Additional Monitors: None in 2011. Ecology will provide information on future CO monitoring in the 2012 Network Report. Washington is scheduled to operate 2 CO monitors at near-roadway NO 2 sites starting in 2013.

Recommendations/Modifications: Ecology still recommends discontinuance of the Spokane 3 rd and Washington carbon monoxide site based on continued di minishing CO values and the need to reinvest resources in new monitoring efforts. 

### Specifically for Spokane, the result of control strategies and the gradual replacement of older vehicles with less-polluting ones, CO pollution levels have fallen dramatically in over the last two decades and are now far below the NAAQS. In addition, CO levels are expected to continue to fall as new vehicles being sold in Washington meet some of the strictest emission standards in the U.S.

Ecology and its partners have dive sted of traditional CO monito ring and believe continuing to do so is the best use of state res ources. Ecology plans to monitor fo r near-roadway CO as described in the revised CO rule starting in 2013.

### 7 Figure 1: Spokane CO Daily 8-hour Maximums

Spokane, 3 rd & Washington – SLAMS – Recommended for Discontinuance AQS # 530630049 Method code: 054 Address: W. 408 3 rd Avenue, Spokane LAT/LONG: 047 39' 13" / 117 25' 07" Monitoring objective: Highest Concentration MSA: Spokane, WA Comments
3 rd & Washington is a micro scale SLAMS site established in 1997. It is located in the downtown core of Spokane in a highly-traveled commercial area. The s ite is currently used for maintenance plan purposes. Spokane is a former CO nonattainment area.
Exceedences This site has not exceeded the daily or annual standard for CO in the past 10 years.

### 8 

## Ozone (O 3 

## , 44201)

National Ambient Air Quality Standards (NAAQS):

• 8-hour average of the 4 th highest measured O 3 concentration averaged over three consecutive years, not to exceed 0.075 ppm at any given monitoring site.

Washington’s ozone monitoring network is comprised of ten sites statewide.



## Table 5: Ozone, 44201

AQS # Site Name Est. Type Scale Sampling Frequency DV (2011) Action For 2011

530730005 Custer/Loomis 5/89 SLAMS Urban Continuous n/a Continue 530330080 Seattle, Beacon Hill 4/1/97 NCor e Urban Continuous 0.047 Continue 530330010 Issaquah, Lake Sam 12/1/75 SLAMS Urban Continuous 0.058 Continue 530330023 Enumclaw, Mud Mtn. 7/8/98 SLAMS Urban Continuous 0.073 Continue 530330017 North Bend, NB Way 6/1/98 SLAMS Urban Continuous 0.059 Continue 530530012 Mt. Rainier, Jackson Visitor Center 7/13/98 SLAMS NPS supported Continuous 0.056 Continue

530110011 Vancouver, Blairmont 4/1/90 SLAMS Neighborh ood Continuous 0.060 Continue

530670005 Yelm, Northern Pacific 5/1/06 SLAMS Urban Continuous 0.058 Continue 530630001 Cheney, Turnbull 4/1/99 SLAMS Urban Continuous 0.059 Continue 530630046 Spokane, Greenbluff 4/1/90 SLAMS Urban Continuous 0.059 Continue

Additional Monitors: Ecology monitored for a modeled “hot s pot” in the northeast Olympic Peninsula and did not find any substantial values. Ecology now provides technical support for SRCAA’s Spokane Augusta ozone site. Information on Spokane Augusta is listed under “Contracted sites”.



### Recommendations/Proposed Modifications:

Comment: Based on the proposed Ambient Ozone Monitoring Regulations, which were published in the Federal Register on July 16, 2009 (74 Federal Register 34525), Washington may be required to site up to seven new ozone monitors in MSA’s throughout th e state in 2013. New ozone locations could be: Bremerton/Silverdale, Yakima, Kennewick/Richland/ Pasco, Olympia, Clarkston/Lewiston, Wenatchee and Longview.

Ozone

Custer/Loomis - SLAMS AIRS # 530730005 Method code: 056 Address: 1330 Loomis Trail Road, Custer LAT/LONG: 048 95’ 25 / -122 55’45 Monitoring objective: Transport MSA: Bellingham, WA

Adequacy FCC Loomis is an urban scale Special Purpose Monito ring Site (SPMS) for Ozone established in 1989. It is located outside of Custer, 20 miles south of the US/Canadian border. Comments Custer/Loomis site provides data from Canadian im pacts as modeling information for the Puget Sound Ozone network.

### 9 Exceedences This site has not exceeded the one or eight ho ur standard for Ozone in the past 3 years.

Seattle, Beacon Hill – NCore AQS # 530330080 Method code: 056 Address: 4103 Beacon Avenue S., Seattle LAT/LONG: 047 34' 58" / 122 18' 30" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Beacon Hill is an urban scale NCORE site located sout h of downtown Seattle, within a City of Seattle park/reservoir. In addition to ozone, the s ite is used for monitoring trace level CO, SO 2 , NO 2 , PM 2.5 , air toxics, speciation and other studies. Seattle Beacon Hill is also a long-term trend and research site.
Exceedences This site has not exceeded the 8-hour standard.

Issaquah, Lake Sammamish - SLAMS AQS # 530330010 Method code: 056 Address: 20050 SE 56 th (Lk. Sammamish SP), Issaquah LAT/LONG: 047 33' 07" / 122 02' 40" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Lake Sammamish is an urban scale site established in 1975 located east of Seattle, within Lake Sammamish State Park. The Lake Sammamish site is a long-term trends site.
Exceedences This site has exceeded the 8-hour standard in the past 3 years.

Enumclaw, Mud Mountain Dam - SLAMS AQS # 530330023 Method code: 056 Address: 30525 SE Mud Mountain Road, Enumcl aw LAT/LONG: 047 08' 28" / 121 56' 09" Monitoring objective: Regional Transport MSA: 

### Seattle-Bellevue-Everett, WA Comments Mud Mountain Dam is an urban scale State and Local Monitoring Site (SLAMS) established in 1998 located 30 miles East of Seattle, near Enumclaw. Mud Mountain is at the end of the ozone transport zone near the Cascade Mountains. Mud Mountain has been th e highest reading site in the ozone network.
Exceedences This site has exceeded the 8-hour standard in the past 3 years.

North Bend, North Bend Way - SLAMS AQS # 530330017 Method code: 056 Address: 42404 SE North Bend Way, North Be nd LAT/LONG: 047 29' 23" / 121 46' 24" Monitoring objective: Population Exposure MSA: 

### Seattle-Bellevue-Everett, WA Comments North Bend Way is an urban scale site established in 1998 located outside of North Bend, 25 miles East of Seattle. North Bend typically indicates some of the highest readings in the ozone network.
Exceedences This site has exceeded the 8-hour ozone standard in the past 3 years.

Mt. Rainier, Jackson Visitor Center - SLAMS AQS # 530530012 Method code: 056 Address: Jackson Visitor Center, Mount Ra inier LAT/LONG: 046 47' 07" / 121 43' 58" Monitoring objective: Background MSA: 

### Tacoma, WA Comments The Jackson Visitor Center site is a regional scale site established in 1998.

### 10 Exceedences This site has not exceeded the 8-hour ozone standard in the past 3 years.

Vancouver, Blairmont - SLAMS AQS # 530110011 Method code: 056 Address: 1500 SE Blairmount Drive, Vancouver LAT/LONG: 045 36' 37" / 122 30' 59" Monitoring objective: Population Exposure MSA: 

### Portland-Vancouver, OR-WA Comments Blairmont is an urban scale site, near downtown Va ncouver. The site represents the Portland/Vancouver airshed and part of the ozone maintenance planning effort of the Southwest Clean Air Agency (SWCAA).
Exceedences This site has exceeded the 8-hour ozone standard in the past 3 years.

Yelm, Northern Pacific - SLAMS AQS # 530670005 Method code: 056 Address: NEW - 931 Northern Pacific Road, Yelm LAT/LONG: 046 57' 03" / 122 35' 43" Monitoring objective: Population Exposure MSA: Olympia, WA Comments Yelm is an urban scale site originally established in 1997 and relocated in 2006. The Yelm site is located in a commercial/residential area. Yelm represents ozon e transport impacts in the South Puget Sound area.
Exceedences This site has exceeded the 8-hour ozone standard in the past 3 years.

Cheney, Turnbull - SLAMS AQS # 530630001 Method code: 056 Address: S. 26010 Smith Road, Cheney LAT/LONG: 047 24' 55" / 117 31' 49" Monitoring objective: Population Exposure MSA: 

### Spokane, WA Comments Turnbull is a background/transport scale site located at the Turnbull Wildlife Refuge, south of Spokane. It is a high-concentration and background/transport site for the Spokane area. A CFR required site by population.
Exceedences This site has not exceeded the 8-hour ozone standard in the past 3 years.

Spokane, Greenbluff - SLAMS AQS # 530630046 Method code: 056 Address: E. 9814 Greenbluff Road, Spokane LAT/LONG: 047 49' 37" / 117 16' 31" Monitoring objective: Population Exposure MSA: Spokane, WA Comments Greenbluff is an urban scale site located near Spokane. Greenbluff is used with Cheney to identify ozone patterns for the Spokane area. It is a CFR population required site.
Exceedences This site has not exceeded the 8-hour ozone standard in the past 3 years.

### 11 

## Nitrogen Dioxide (NO 2 

## , 42602)

National Ambient Air Quality Standards (NAAQS):

• Annual arithmetic average concentration not to exceed 0.053 ppm at any monitoring site.

• 

### New 1-hour NO 2 

### standard at the level of 100 parts per billion (ppb).

Washington no longer monitors nitrogen dioxide.

Additional Monitors: None

Recommendations/Proposed Modifications: Washington no longer monitors for NO 2 . Ecology does monitor for the reactive nitrogen species (NOy ) at Seattle Beacon Hill which includes NO 2 . It is assumed most if not all the NOy measured at Beacon Hill is composed of NO 2
.

Comment: Based on the Primary National Ambient Air Qu ality Standard for Nitrogen Dioxide Final Rule signed on January 25, 201 0, Washington will be require d to site and operate new NO 2 monitors starting January 1, 2013.

N EAR -R OAD NO 2 M ONITORS

• At least one monitor would be required near a major roadway in any urban area with a population greater than or equal to 350,000 people

• A second monitor would be required near a major road in areas with either

o A population greater than 2.5 million people, or

o One or more road segments with an annual averag e daily traffic count greater than or equal to 250,000 vehicles

o NO 2 monitors area to be located with in 50 meters of major roadways

• Potential impact on Washington

o 2 monitors in the Seattle-Tacoma-Bellevue, WA MSA

o 1 monitor in the Portland-Vancouve r Beaverton, OR-WA MSA (ODEQ)

A REA -W IDE NO 2 M ONITORING

• One monitor in each MSA with 1,000,000 or more population to monitor the location of expected highest NO 2 concentrations representing neighborhood or larger spatial scales

• Some flexibility for the use of an existing monitor

• Potential impact on Washington

o 1 monitor in the Seattle-Tacoma-Bellevue, WA MSA

o Total of 1 monitor in the bi-state Por tland-Vancouver Beaverton, OR-WA MSA (ODEQ)

### 12 

## Sulfur Dioxide (SO 2 

## , 42401)

National Ambient Air Quality Standards (NAAQS)

• Annual arithmetic average concentration not to exceed 0.03 ppm at any monitoring site.



### • New one hour primary standard of 75ppb

Washington no longer monitors sulfur dioxide.

Additional Monitors: None

Recommendations/Proposed Modifications: Washington no longer monitors for SO 2 . Ecology monitors for trace level SO 2 at Seattle Beacon Hill.

Comment: Based on the Primary NAAQS for Sulfur Dioxide, Wash ington will be required to site and operate new
SO 2 monitors January 1, 2013.

SO 2 monitoring is based on CBSA’s, the Population Weighted Emissions Index (PWEI) and the national emissions inventory (NEI). Monitors should be site d in areas of max concentrations using micro, middle or neighborhood scale. SO 2 monitors will be proposed in the 2012 network plan and implemented in
2013.



### Population Weighted Emissions Index (PWEI) / national emissions inventory (NEI)

• Potential impact on Washington

o 1 monitor in the Seattle-Tacoma-Bellevue, WA MSA (PWEI, 45,728)

o 1 monitor in the bi-state Portland-Vancouve r Beaverton, OR-WA MSA (ODEQ) (PWEI, 27,863)

### 13 

## Particulate Matter 10 (PM 10 

## , 81102)

National Ambient Air Quality Standard (NAAQS), 1987:



### • Twenty-four hour average PM 10 

### concentration not to exceed 150 μg/m 3 

### on more than one occasion per year when averaged over three years.

• 

### Due to a lack of evidence linking health problems to long-term exposure to coarse particle pollution, the EPA revoked the annual PM 10 

### standard in 2006 (effective December 17, 2006).

Washington’s PM 10 monitoring network consists of 6 sites statewide, including one collocated site.



## Table 6: Particulate Matter 10 (PM 10 

## , 81102)

AQS# Site Name Est. Type Scale Sampling Type Action for 2011

530050002 Kennewick, Metaline Ave 10/94 SLAMS Neighborhood Continuous Continue

530770009 Yakima, S 4th 4/00 SLAMS Neighborhood 1/6 Continue 530650004 Colville, S Oak 11/96 SLAMS Neighborhood Continuous Continue 530710006 Burbank, Maple St 1/03 SLAMS Middle Continuous Discontinue 530630021 Spokane, Augusta Ave. 3/09 SLAMS Middle 1/6 Continue

530630021 Spokane, Augusta
Ave. 3/09 Collocated Middle 1/12 Continue

Additional Monitors: None

Recommendations/Proposed Modifications:



### Ecology continues to recommend di scontinuance of the Burbank PM 10 

### site. Through analysis in the 2010 Network Assessment, the Burbank PM 10 

### site was deemed to be redundant as described below. Ecology will work on a SIP amendment as requested by EPA to discontinue Burbank
PM 10



### .

Burbank/Kennewick Two potential duplicate continuous PM 10 

### monitors were identified- Kennewick and Burbank. These monitors are located at stations within th e same airshed, are about 7 miles apart, and can likely serve as surrogates for each other. Burbank records slightly higher concentrations overall though Kennewick is sometimes higher during windblow n dust events. Reading left to right (top to bottom) in Figure 2 below, the first graphic sh ows that with a few exceptions, there have been no pronounced differences between 24-hour concentr ations at the two stations, since 2007. The second graphic is a quantil e-quantile plot with a n early straight line. This suggests that data at both sites for the past 3 years are distributed similarly, although Burbank often reads slightly higher concentrations than Kennewick. The third and fourth graphics show the difference in concentrations (Kennewick minus Burbank) as a function of wind speeds and Kennewick PM 10 

### concentrations, respectively.

### 14 With the exception of one event that impacted Kennewick and not Burbank, they do not appear to deviate on account of wind sp eeds, nor at some threshold PM 10 

### concentrations. Taken together, data shown suggest there is reason to believe that the continuous PM 10 

### TEOMs at Kennewick and Burbank consistently track each other quite closely. Si nce the lower readings at Kennewick are too small to be significan t for operational purposes, these two TEOMs can be considered duplicates. As such Ecology believes that the Burbank station could be discontinued with no loss of important information.

There have been 6 exceedances at the Burba nk PM10 monitor. The 4 exceedances between 2003 through 2005 were documented as natural even ts. The 2 exceedances occurring between 2007 and 2008 were not documented as natural events. NAAQS compliance with the standard is based on three years of data. The 2007 and 2008 data points didn't influence compliance so there was no need to submit full documentation packages.

The Kennewick monitor will replace the Burban k monitor for the purposes of determining compliance with the PM10 NAAQS in the Wallula maintenance area, determining if any contingency action levels are triggered in the Wallula maintenance area, and meeting the monitoring provisions in s ections 4.4 and 4.5 of the Wallula maintenance plan.

### 15

### 16 Different Analyses Showing Redundant PM 10 

### Monitors at Burbank and Kennewick

### 17 PM 10

Kennewick, Metaline Ave - SLAMS AQS # 530050002 Method code: 079 Address: 5929 West Metaline, Kennewick LAT/LONG: 046 13' 06" / 119 12' 03" Monitoring objective: Population Exposure MSA: 

### Richland-Kennewick-Pasco, WA Comments Metaline is a neighborhood scale site for PM 10 established in 1994 and located in the downtown Kennewick area. It is representative of Ke nnewick which is subject to windblown dust.
Exceedences This site has not exceeded the standard for PM 10 in the past 3 years.

Yakima, S 4th – SLAMS AQS # 530770009 Method code: 079/063 Address: 402 South 4 th Avenue, Yakima LAT/LONG: 046 35' 42" / 120 30' 44" Monitoring objective: Population Exposure MSA: Yakima, WA Comments S 4th is a neighborhood scale site for PM 10 located in a commercial/resi dential area near downtown Yakima. The site is representative of the Yakima area which was a past PM 10 nonattainment area.
Exceedences This site has not exceeded the daily or annual standard for PM 10 in the past 3 years.

Colville, S Oak - SLAMS AQS # 530650004 Method code: 079 Address: 215 South Oak, Colville LAT/LONG: 048 32' 41" / 117 54' 13" Monitoring objective: Population Exposure MSA: Not in an urban area Comments S Oak is a neighborhood scale site for PM 10 established in 1996, located in the commercial/residential area of Colville.
Exceedences This site has exceeded the standard for PM 10 in the past 3 years.

Burbank, Maple St – SLAMS – Continued recommendation for Discontinuance AQS#530710006 Method code: 079/063 Address: 755 Maple Street, Burbank LAT/LONG: 046 12' 00" / 119 00' 30" Monitoring objective: Population Exposure MSA: Not in an urban area Comments Maple St is a middle-scale site for PM 10 established in 2002 located near a residential area of Burbank. The site is within the previous Wallula PM 10 nonattainment area and subject to windblown dust.
Exceedences The Burbank/Wallula site has not exceeded the standard for PM 10 in the past 3 years.

Spokane, Augusta Ave. - SLAMS AQS # 530630021 Method code: 079/063 Address: 3104 E. Augusta Ave., Spokane LAT/LONG: 047 39' 39" / 117 21' 26" Monitoring objective: Population Exposure MSA: Spokane, WA Comments Augusta Ave. is a middle scale site for PM 10 established in 1972, located in a commercial area of Spokane. The site is representative of the Spokane area which is a past PM 10 nonattainment area.
Exceedences This site has not exceeded the standard for PM 10 in the past 3 years.

### 18 

## Particulate Matter 2.5 (PM 2.5 

## , 88101, 88502)

National Ambient Air Quality Standard (NAAQS):

• 3-year average of the 98 th percentile 24-hour concentration not to exceed 35ug/m 3 at any population-oriented monitoring site in a monitoring area.

• Three-year annual average PM 2.5 concentration not to exceed 15 μg/m 3 from a single community-oriented monitoring site or the spa tial average of eligible community-oriented sites in a monitoring area.

Washington’s PM 2.5 monitoring network co 

### nsists of forty sites, including one collocated site.



## Table 7: Particulate Matter (PM 2.5 

## , 88101, 88502) AQS# Site Name Type Sample Type Sampling Frequency DV(2011) Continuous Action for 2011

530272002 Aberdeen Division St SLAMS Continuous Continuous 12.3 Continue 530330037 Bellevue, Bellevue Way SLAMS Continuous Continuous 12.1 Continue 530730015 Bellingham, Yew Street SLAMS Continuous Continuous 15.5 Continue
530030004 Clarkston SLAMS Continuous Continuous 21.9 Continue
530410004 Chehalis SLAMS Continuous Continuous * Continue
530650004 Colville SLAMS Continuous Continuous 25.3 Continue 530610020 Darrington, Fir St SLAMS /SPMS SEQ/Continuous 1/3 30.1 Continue

530130002 Dayton, W. Main SLAMS Continuous Continuous * Continue 530370002 Ellensburg SLAMS Continuous Continuous 22.7 Continue 530050002 Kennewick, Metaline Ave SLAMS Continuous Continuous 18.5 Continue 530332004 Kent, James & Central SPMS Continuous Continuous 20 Continue
530750005 LaCrosse, Hill St SLAMS Continuous Continuous 10.9 Continue 530330024 Lake Forest Park, Ballinger Way SLAMS Continuous Continuous 18.7 Continue 530150015 Longview, 30 t h Ave SLAMS Continuous Continuous 14.6 Continue 530610005 Lynnwood, 212 th SPMS Continuous Continuous 20 Continue 530611007 Marysville, 7th Ave SLAMS /SPMS SEQ/Continuous 1/3 29 Continue

530450007 Shelton, W. Franklin SLAMS Continuous Continuous 17.4 Continue 530351005 Meadowdale, Blackbird Dr SPMS Continuous Continuous 25.5 Relocate 530210002 Mesa, Pepoit Way SLAMS Continuous Continuous 15.4 Continue 530251002 Moses Lake, Balsam St SLAMS Continuous Continuous 16.3 Continue 530570015 Mt. Vernon, S Second St SLAMS Continuous Continuous 11 Continue 530330017 North Bend, North Bend Way SLAMS Continuous Continuous 12.8 Continue 530670013 Lacey, College St SLAMS Con tinuous Continuous 25.2 Continue 530090009 Port Angeles, W 14th St SLAMS Continuous Continuous 17.5 Continue 530310003 Port Townsend, San Juan Ave SLAMS Continuous Continuous 15.8 Continue 530750003 Pullman, Dexter Ave SLAMS Continuous Continuous 12.1 Continue 530531018 Puyallup, 128 t h St SLAMS Continuous Continuous 22.3 Continue 530010003 Ritzville, Alder St SLAMS Continuous Continuous 13.6 Continue 530750006 Rosalia, Josephine St SLAMS Continuous Continuous 11.7 Continue 530330080 Seattle, Beacon Hill NCore SE Q/Continuous 1/3 16 Continue 530330057 Seattle, E Marginal Way SPMS Continuous Continuous 24.3 Continue 530330048 Seattle, Olive St SLAMS Continuous Continuous 14.9 Continue 530630021 Spokane, Augusta SLAMS SEQ/Continuous 1/6 24.5 Continue 530630021 Spokane, Augusta Co-loc SEQ 1/12 24.5 Continue 530630047 Spokane, Monroe Street SLAMS Continuous Continuous * Continue

### 19 AQS# Site Name Type Sample Type Sampling Frequency DV(2011) Continuous Action for 2011 530530031 Tacoma, Alexander Ave SLAMS Continuous Continuous 21 Continue 530530029 Tacoma, S L Street SLAMS /SPMS SEQ/Continuous 1/1 37.7 Continue

530110013 Vancouver, 4th Plain SLAMS /SPMS SEQ/Continuous 1/3 27.3 Continue

530710005 Walla Walla, 12 th St SLAMS Continuous Continuous 19.3 Continue
530070006 Wenatchee SLAMS Continuous Continuous 27.8 Continue 530110022 Yacolt, Yacolt Rd. SLAMS Continuous Continue 15 Continue 530770009 Yakima, S 4 th Ave SLAMS /SPMS SEQ/Continuous 1/3 37.1 Continue

Asterisk * denotes sites with less than 3 years data. Ch ehalis and Dayton are newer sites. Monitoring was temporarily discontinued for roof repairs at Spokane Monroe.
Note: Ecology uses the Washington Air Quality Advisory (WAQA) for reporting PM 2.5 to inform and protect citizens of Washington. WAQA reporting is mo re protective of human health. Ecology’s goal is to keep 24-hour concentrations below 20 ug/m 3

.

In addition, some monitors in areas of Washington are not intended to be solely NAAQS based. Certain monitors are used for protection of human health by calling burn bans during home heating season, making daily decisions for agricultural burni ng and health information- reporting PM 2.5 values.

Additional Monitors: None

Recommendations/Modifications: The Marysville site has been relocated on the school grounds, see relocation detail in red below. Relocate Bremerton Mea dowdale site to meet siting criteria. Continue all other sites as described.

PM 2.5

Aberdeen, Division St - SLAMS AQS #530272002 Method code: 771 Address: 359 North Division, Aberdeen LAT/LONG: 046 58' 21" / 123 49' 54" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an MSA Comments The Aberdeen site is neighborhood scale. The site re presents impacts to the Aberdeen and Grays Harbor area from smoke related to home heating and mobile s ources and is used for curtailment calls during the home heating season.

Bellevue, Bellevue Way - SLAMS AQS #530330037 Method code: 771 Address: 305 Bellevue Way, Bellevue LAT/LONG: 047 36' 47" / 122 12' 06" Sampling: Continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments The Bellevue Way site is neighborhood scale. It is re presentative of mobile source and smoke impacts in the area and used for curtailment calls during the home heating season.

### 20 Bellingham, Yew Street - SLAMS AQS #530730015 Method code: 771 Address: 2420 Yew Street, Bellingham LAT/LONG: 048 45' 46" / 122 26' 25" Sampling: Continuous Monitoring objective: Population Exposure MSA: 

### Bellingham, WA Comments Bellingham, Yew Street site is neighborhood scale. It is impacted by smoke related to home heating in the Bellingham/Whatcom County area and used for curtai lment calls during the home heating season.

Chehalis, Market Blvd – SLAMS AQS # 530410004 Method code: 771 Address: 350 N. Market, Chehalis LAT/LONG: 046 66’40”/122 96’73” Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area Comments 

### Chehalis is a neighborhood scale site established in late 2009. It is located in a mixed/residential area of Chehalis. It is impacted by smoke from home heating and used for curtailment calls during the home heating season.

Clarkston, STP – SLAMS AQS # 530030004 Method code: 771 Address: 13 th Street and Port Way, Clarkston LAT/LONG: 046 25' 32”/ 117 3' 35” Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area Comments 

### Clarkston is a neighborhood scale site established in 1993 as a PM 10 

### site and converted to PM 2.5 

### in 2007, is located in a mixed/re sidential area of Clarkston.

Colville – SLAMS AQS # 530650004 Method code: 771 Address: 215 S. Oak Street, Colville LAT/LONG: 048 32' 41" / 122 54' 13" Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area Comments S Oak is a neighborhood scale site for PM2. 5 originally established in 1996 as a PM 10 site 

### and converted
to PM 2.5 

### in 2009 , is located in the commercial/residential area of Colville.

Darrington, Fir St – SLAMS/SPMS AQS #530610020 Method code: 118/181 Address: 1085 Fir St, Darrington LAT/LONG: 048 14' 49" / 121 36' 11" Sampling: FRM 1/3 & FEM continuous Monitoring objective: Population Exposure MSA: Not in an urban area Comments Darrington is neighborhood scale residential site impacted by smoke from home heating. This site has an FRM and is suitable for comparison to the PM 2.5 NAAQS.

Dayton, 206 W. Main - SLAMS AQS # 530130002 Method code: 771 Address: 206 W. Main, Dayton LAT/LONG: 046.318 0”/ 117.9850 Sampling: Continuous

### 21 Monitoring objective: Population Exposure UA: Not in an urban area Comments Dayton is a neighborhood scale small-community site lo cated in Eastern Washington impacted by smoke from burning activities in the area.

Ellensburg, Ruby St - SLAMS AQS # 530370002 Method code: 771 Address: 201 North Ruby Street, Ellensburg LAT/LONG: 046 59' 37" / 120 32' 42" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area Comments Ellensburg is a neighborhood scale s ite established in 1995 as a PM 10 site and converted to PM 2.5 in 2006. It is located in a residential area of Ellensburg impacted by smoke from home heating devices and used for curtailment calls during the home heating season.

Kennewick, Metaline Ave - SLAMS AQS #530050002 Method code: 771 Address: 5929 W Metaline, Kennewick LAT/LONG: 046 13' 06" / 119 12' 03" Sampling: Continuous Monitoring objective: Population Exposure MSA: Richland, Kennewick, and Pasco, WA Comments Kennewick is neighborhood scale site. The site is impacted from smoke from home heating devices and agricultural sources and is geographically representative of the Tri-Cities area. Kennewick is used for curtailment calls during the home heating season.

Kent, James & Central – SPMS AQS #530332004 Method code: 181 ADDRESS: 614 N Railroad, Kent LAT/LONG: 047 23' 10" / 122 13' 55" Sampling: FEM continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Kent is neighborhood scale site in the South Puget Sound that is imp acted from mobile sources, light industry, smoke from home heating devices. The s ite is representative of the Kent Valley area.

Lacey, College St - SLAMS AQS #530670013 Method code: 771 Address: 1900 College St SE, Lacey LAT/LONG: 047 01' 43" / 122 49' 15" Sampling: Continuous Monitoring objective: Population Exposure MSA: Olympia, WA Comments Lacey, College St is a neighborhood scale site impacted by smoke from home heating devices. The site is representative of the Olympia/Thurston County area.

LaCrosse, Hill St - SLAMS AQS #530750005 Method code: 771 Address: 100 Hill Street, LaCrosse LAT/LONG: 046 48' 55" / 117 52' 26" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area Comments

### 22 LaCrosse is neighborhood scale small-community mon itor in Eastern Washington impacted by smoke from burning. LaCrosse is used for daily agricultu ral burn decisions and curtailment calls during the home heating season .It also provides modeling and mapping information.

Lake Forest Park, Ballinger Way - SLAMS AQS #530330024 Method code: 702/704 Address: 17171 Bothell Way NE, Lake Forest Park LAT/LONG: 047 45' 18" / 122 16' 50" Sampling: Continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Lake Forest Park is neighborhood scale site impact ed by smoke from home heating devices and mobile sources from two adjacent arterials. It is used for curtailment calls during the home heating season.

Longview, 30 th Ave - SLAMS AQS #530150015 Method code: 771 Address: 1324 30th Ave, Longview LAT/LONG: 046 08' 22" / 122 57' 43" Sampling: Continuous Monitoring objective: Population Exposure MSA: Longview, WA Comments Longview is a neighborhood scale site impacted by smoke from home heating. It is representative of the Longview/Kelso area and is used for curtai lment calls during the home heating season.

Lynnwood, 212th - SPMS AQS #530610005 Method code: 181 Address: 6120 212th SW, Lynnwood LAT/LONG: 047 48' 23" / 122 19' 00" Sampling: FEM continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Lynnwood is neighborhood scale site impacted by smoke during the home heating season. Lynnwood is representative of south Snohomish County.

Marysville, 7 th Ave – SLAMS/SPMS* AQS #530611007 Method code: 118/181 Address: 1605 7th ST, Marysville LAT/LONG: 048 03' 18" / 122 10' 33" Sampling: FRM 1/3 & FEM continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Marysville is a neighborhood scale site impacted by smoke during the home heating season, mobile sources, and light industry. It is representative of the Marysville/North Snohomish County area. The site has an FEM & FRM and is suitable for comparison to the PM 2.5 NAAQS. 

### *The new Marysville site is the result of an effort to satisfy both the Marysville School District and Marysville city (c odes). The original location was located on a building scheduled for demolition, and therefore no longer viable as a long-term site. Daily PM values at this site have been very close to the NAAQS, therefore Ecolo gy and the Puget Sound Clean Air Agency placed a high value retaining this site on school grounds.

### 23 Meadowdale, Blackbird Dr - SPMS AQS # 530351005 Method code: 771/181 Address: 7252 Blackbird Dr NE, Bremerton LAT/LONG: 047 37' 51" / 122 38' 28" Sampling: Nephelometer & FEM continuous Monitoring objective: Population Exposure MSA: Bremerton, WA Comments Meadowdale, Blackbird Dr is a middle-neighborhood scal e residential site which currently does not meet EPA siting criteria. PSCAA plans to relocate Meadowdale in 2011. It provides air quality information to a population of 280,000 Kitsap residents.

Mesa, Pepoit Way - SLAMS AQS #530210002 Method code: 771 Address: 200 Pepiot Way, Mesa LAT/LONG: 046 34' 32" / 119 00' 25" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area Comments Mesa is a neighborhood scale small-community site in Eastern Washington impacted by agricultural sources and smoke from home heating. It is used fo r daily agricultural burn decisions and curtailment calls during the home heating season.

Moses Lake, Balsam St - SLAMS AQS #530251002 Method code: 771 Address: 412 S Balsam St, Moses Lake LAT/LONG: 047 07' 50" / 119 16' 22" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area Comments Moses Lake is a neighborhood scale small-community site in Eastern Washington impacted by agricultural sources and smoke from home heating sources. It is used for daily ag ricultural burn decisions and curtailment calls during the home heating season.

Mt. Vernon, S Second St - SLAMS AQS #530570015 Method code: 771 Address: 1600 South Second St, Mount Ve rnon LAT/LONG: 048 24' 37" / 122 20' 16" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area Comments Mt. Vernon is a neighborhood scale small-community s ite impacted by home heating devices. Mt. Vernon is used for curtailment calls during the home heating season.

North Bend, North Bend Way - SLAMS AQS #530330017 Method code: 771 Address: 42404 SE North Bend Way, North Bend LAT/LONG: 047 29' 23" / 121 46' 24" Sampling: Continuous Monitoring objective: Population Exposure MSA: 

### Seattle-Bellevue-Everett, WA Comments North Bend is a neighborhood scale transport/background PM 2.5 site for the Puget Sound impacted by smoke from home heating devices. North Bend is used for curtailment calls during the home heating season. North Bend is collocated with ozone and meteorological equipment.

### 24 Port Angeles, W 14 th St - SLAMS AQS #530090009 Method code: 771 Address: 1139 W 14th St., Port Angel es LAT/LONG: 048 06' 59" / 123 27' 52" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an MSA Comments Port Angeles is a neighborhood scale site adjacent to Olympic National Park, a Class 1 Area and impacted by smoke from home heating sources. Port Angeles is used for curtailment calls during the home heating

season.

Port Townsend, San Juan Ave - SLAMS AQS #530310003 Method code: 771 Address: 3939 San Juan Avenue, Port To wnsend LAT/LONG: 048 07' 45" / 122 46' 46" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an MSA Comments Port Townsend is neighborhood scale SLAMS site imp acted by smoke from home heating devices. Port Townsend is used for curtailment calls during the ho me heating season. It is representative of the east Jefferson County area.

Pullman, Dexter Ave - SLAMS AQS #530750003 Method code: 771 Address: 240 SE Dexter, Pullman LAT/LONG: 046 43' 28" / 117 10' 46" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an MSA Comments Pullman is a neighborhood scale site is in Eastern Washington impacted by smoke from burning. Pullman is used for daily agricultural burn decisions and curt ailment calls during the home heating season.

Puyallup, 128 th St - SLAMS AQS #530531018 Method code: 771 Address: 9616 128th St E, Puyallup LAT/LONG: 047 08' 24" / 122 18' 01" Sampling: Continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Puyallup is a neighborhood scale site impacted by smoke from home heating devices in the Pierce County South Hill area.

Ritzville, Alder St - SLAMS AQS #530010003 Method code: 771 Address: 109 W Alder, Ritzville LAT/LONG: 047 07' 43" / 118 22' 55" Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area

Comments Ritzville is a neighborhood scale small-community lo cated in Eastern Washington impacted by smoke from burning activities in the area. Ritzville is used for making daily agricultural burn decisions and curtailment calls during the home heating season.

### 25 Rosalia, Josephine St - SLAMS AQS #530750006 Method code: 771 Address: 906 S Josephine Avenue, Rosa lia LAT/LONG: 047 13' 52" / 117 22' 08" Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area Comments Rosalia is a neighborhood scale small-community site located in Eastern Washington impacted by smoke from burning in the area. Rosalia is used for making da ily agricultural burning decisions and curtailment calls during the home heating season.

Seattle, Beacon Hill - NCore AQS #530330080 Method code: 118/181 Address: 4103 Beacon Avenue S., Sea ttle LAT/LONG: 047 34' 58" / 122 18' 30" Sampling: FRM 1/3 & FEM continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Seattle, Beacon Hill is an urban scale NCORE site. S eattle Beacon Hill is collocated with an FEM, FRM, meteorological equipment as well as toxics and speciation monitoring.

Seattle/Duwamish - SPMS AQS #530330057 Method code: 181 Address: 4401 E Marginal Way S., Sea ttle LAT/LONG: 047 56' 32" / 122 34' 05" Sampling: FEM continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Seattle, E Marginal Way is a neighborhood scale site located in the Duwamish River Valley impacted by mobile source diesel emissions and industrial sources. This site is equipped with an FEM and suitable for comparison to the PM 2.5 NAAQS.

Seattle, Olive St - SLAMS AQS #530330048 Method code: 771 Address: 1624 Boren Avenue, Seattle LAT/LONG: 047 36' 55" / 122 19' 48" Sampling: Continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Seattle, Olive Street was established in 2002 as a micro scale PM 2.5 site adjacent to Interstate 5 designed to measure effects of mobile source diesel emissions. This site is not suitable for comparison to the PM 2.5 NAAQS.

Shelton, W. Franklin - SLAMS - Relocated AQS #530450007 Method code: 771 Address: 122 W. Franklin, Shelton LAT/LONG: 047 213' 55" / 123 100' 81" Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an MSA

### 26 Comments Shelton is a neighborhood scale site established in 2001 and relocated in April of 2011. Shelton is impacted by smoke from home heating devices and u sed for curtailment calls during the home heating

season.

Spokane, Augusta - SLAMS AQS #530630021 Method code: 118/702/704 Address: 3104 E. Augusta Ave., Spokane LAT/LONG: 047 39' 39" / 117 21' 26" Sampling: FRM 1/3 & continuous Monitoring objective: Population Exposure MSA: Spokane, WA Comments Spokane Augusta Ave. is a neighborhood scale site impacted by smoke from home heating devices and light industrial sources. The site is equipped w ith an FRM and suitable for comparison to the PM 2.5 NAAQS.

Spokane, Monroe Street - SLAMS AQS #530630047 Method code: 771 Address: N 4601 Monroe St., Spokane LAT/LONG: 047 42' 03" / 117 25' 30" Sampling: Continuous Monitoring objective: Population Exposure MSA: Spokane, WA Comments Spokane, Monroe St. is a neighborh ood scale site impacted by smoke from home heating devices and is representative of the area.

Tacoma, Alexander Ave - SLAMS AQS #530530031 Method code: 771 Address: 2301 Alexander Avenue, Tacoma LAT/LONG: 047 15' 56" / 122 23' 09" Sampling: Continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Tacoma, Alexander Ave is a neighborhood scale site impacted by smoke from home heating devices and industrial point sources on the Tacoma Tide flats. The site is representative of the NE Tacoma/Fife area.

Tacoma, S L St - SLAMS/SPMS AQS #530530029 Method code: 118/181 Address: 7802 South L St., Tacoma LAT/LONG: 047 11' 11" / 122 27' 06" Sampling: FRM 1/1 & FEM continuous Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA Comments Tacoma, L Street is a neighborhood scale site impacted by smoke from home heating devices. The site is equipped with an FEM & FRM and suitable for comparison to the PM 2.5 NAAQS.

Vancouver, 4 th Plain – SLAMS/SPMS AQS #530110013 Method code: 118/771 Address: 8205 E 4th Plain Boulevard, Vancouver LAT/LONG: 045 38' 55" / 122 35' 16" Sampling: FRM 1/3 & continuous – FEM in 2011 Monitoring objective: Population Exposure MSA: 

### Portland-Vancouver, OR-WA Comments Vancouver, 4 th Plain is a neighborhood scale site impacted by smoke from home heating devices. The site is equipped with an FRM a nd suitable for comparison to the PM 2.5 NAAQS.

### 27 Walla Walla, 12 th St - SLAMS AQS #530710005 Method code: 771 Address: 200 S 12 th , Walla-Walla LAT/LONG: 046 03' 32" / 118 21' 06" Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area Comments Walla Walla is a neighborhood scale small-community site located in Eastern Washington impacted by smoke from burning activities in the area.

Wenatchee, Alaska Way - SLAMS AQS # 530070006 Method code: 771 Address: 600 Alaska Street, Wenatchee LAT/LONG: 047 25' 06" / 120 19' 14" Sampling: Continuous Monitoring objective: Population Exposure UA: Not in an urban area Comments Wenatchee, Alaska Way is a neighborh ood scale site established in 1994 as a PM 10 site and converted to
PM 2.5 in 2006. It is located in a residential area of Wenatchee impacted by smoke from multiple sources including home heating devices and wildfires.

Yacolt, Yacolt Rd. – SLAMS AQS #530110022 Method code: 771 Address: 406 W. Yacolt Rd., Yacolt LAT/LONG: 045 86' 63" / 122 40' 88" Sampling: Continuous Monitoring objective: Population Exposure MSA: Vancouver, WA Comments Yacolt is a neighborhood scale site impacted by sm oke from home heating devices and is representative of the area.

Yakima, S 4 th Ave – SLAMS/SPMS AQS #530770009 Method code: 118/771 Address: 402 South 4th Avenue, Yakima LAT/LONG: 046 35' 42" / 120 30' 44" Sampling: FRM 1/3 & continuous - FEM in 2011 Monitoring objective: Population Exposure MSA: Yakima, WA Comments Yakima is a neighborhood scale site impacted by smoke from burning sources in the area. The site is equipped with an FRM and suitable for comparison to the PM 2.5 NAAQS.

### 28 

## Other – Contracted Sites USFS

Table 8: Other Contracted Sites USFS

AQS# Site Name Est. Type Scale Sampling Type Action for 2011

530070007 Chelan 2002 SLAMS Neighborhood Continuous Continue
530070010 Leavenworth 2002 SLAMS Neighborhood Continuous Continue 530770007 Naches 2008 SLAMS Neighborhood Continuous Continue 530470009 Twisp 2002 SLAMS Neighborhood Continuous Continue 530470010 Winthrop 2002 SLAMS Neighborhood Continuous Continue

Additional Monitors: None Recommendations/Modifications: Continue all listed sites.



### Chelan, Woodin Ave - SLAMS AQS#530070007- USFS Method code: 771 Address: 428 W. Woodin Avenue, Chelan LAT/LONG: 047 50' 18” / 120 01' 23” Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area



### Leavenworth, Evans St. - SLAMS AQS#530070010- USFS Method code: 771 Address: 330 Evans Street, Leavenwort h LAT/LONG: 047 35' 56” / 120 39' 53” Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area



### Naches, Hwy 12 - SPMS AQS#530770007- USFS Method code: 771 Address: 10237 Hwy 12, Naches LAT/LONG: 046 43' 47” / 120 42' 13” Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area



### Twisp, Glover St - SLAMS AQS#530470009- USFS Method code: 771 Address: 118 South Glover Street, Twis p LAT/LONG: 48° 21' 51” / 120 12' 40” Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area



### Winthrop, W Chewuch Rd. - SLAMS AQS#530470010-FS Method code: 771 Address: 24 West Chewuch Road, Winthr op LAT/LONG: 048 28' 38” / 120 11' 26” Sampling: Continuous Monitoring objective: Population Exposure MSA: Not in an urban area

### 29 

## Other – Contracted Sites Tribal/EPA

Table 9: Other - Contracted Sites Tribal/EPA

AQS# Site Name (Tribe) Es t. Type Scale Sampling Type Action for 2011

530090014 Neah Bay (Makah) 2008 SLAMS Neighborhood Continuous Continue
530270008 Oakville (Chehalis) 2006 SLAMS Neighborhood Continuous Continue 530470013 Omak (Colville) 2010 SLAMS Neighborhood Continuous Continue 530530022 Puyallup (Puyallup) 2008 SLAMS Neighborhood Continuous Continue 530270009 Taholah (Quinault) 2004 SLAMS Neighborhood Continuous Continue 530770015 Toppenish (Yakama) 2006 SLAMS Neighborhood Continuous Continue 530510007 Usk (Kalispel) 2006 SLAMS Neighborhood Continuous Discontinue
530650002 Wellpinit (Spokane) 2006 SLAMS Neighborhood Continuous Continue
530770016 White Swan (Yakama) 2009 SLAMS Neighborhood Continuous Continue

Additional Monitors: Recommendations/Modifications: EPA Tribal Section has recommended and Ecology concurs in Discontinuing the Usk site. Continue all other contracted Trib al sites as listed. Ecology is discussing additional Tribal sites with EPA. If additional Tribal sites are added, they will be included in the 2012 network report.

Neah Bay, (Makah) - SLAMS AQS#530090014 Method code: 771 Address: 159 Waada View, Neah Bay LAT/LONG: 048 22' 19” / 124 35' 43” Sampling: Continuous PM 2.5 Monitoring objective: Population Exposure

Oakville, (Chehalis) - SLAMS AQS#530270008 Method code: 771 Address: 252 Howanut Drive, Oakville LAT/LONG: 046 49' 23” / 123 09' 40" Sampling: Continuous PM 2.5 & meteorology Monitoring objective: Population Exposure

Omak, Howanut Dr (Colville) - SLAMS AQS#530470013 Method code: 771 Address: 8 th Ave & Omak/Okanogan Rd LAT/L ONG: 048. 39’99” / 119 518’' 96” Sampling: Continuous PM 2.5 & meteorology Monitoring objective: Population Exposure

Puyallup, 66th Ave (Puyallup) - SLAMS AQS#530530022 Method code: 771 Address: 5722 66 th Avenue E. Puyallup LAT/LONG: 047 12' 19” / 122 20' 19” Sampling: Continuous PM 2.5 Monitoring objective: Population Exposure

Taholah, Chitwhin Dr (Quinault) - SLAMS AQS#530270009 Method code: 771 Address: 600 Chitwin Drive, Taholah LAT/LONG: 047 20' 37” / 124 17' 13” Sampling: Continuous PM 2.5 Monitoring objective: Population Exposure

Toppenish, Ward Rd (Yakama) - SLAMS AQS#530770015 Method code: 771 Address: 141 Ward Road, Toppenish LAT/LONG: 046 23’ 07” / 120 18' 49”

### 30 Sampling: Continuous PM 2.5 & meteorology Monitoring objective: Population Exposure

Usk, LeClerc Rd N (Kalispel) – SLAMS - Discontinue AQS# 530510007 Method code: 771 Address: 1981 LeClerc Road North, Usk LAT/LONG: 048 20' 45” / 117 16' 20” Sampling: Continuous Monitoring objective: Population Exposure

Wellpinit, Ford-Wellpinit Rd (Spokane) - SLAMS AQS#530650002 Method code: 771 Address: 5298 Ford-Wellpinit Road, Wellpinit LAT/LONG: 047 53' 19” / 117 59' 19” Sampling: Continuous PM 2.5 Monitoring objective: Population Exposure

White Swan (Yakama) - SLAMS AQS#530770016 Method code: 771 Address: 621 Signal Peak Rd, White Swan LAT/LONG: 046.37’54”/120 72’ 93: Sampling: Continuous PM 2.5 & meteorology Monitoring objective: Population Exposure

### 31 

## Other – Contracted Local Air Agencies

Table 10: Other - Contracted Local Air Agencies AQS# Site Name Est. Type Scale Sampling Type DV(2011) Continuous Action for 2011

530090013 Cheeka Peak 2006 Rural NCore Regional Continuous 6.5 Continue

530630021 Spokane Augusta 2010 SLAMS Urban Continuous N/A Continue

Additional Monitors: None

Recommendations/Modifications: Note: Ecology provides technical support for both Cheeka Peak and Spokane Augusta ozone. Technical support can incl ude repair and calibration, quality assurance, telemetry and data management.

Cheeka Peak (ORCAA) NCore Nephelometer, ozone, trace gas and meteorological support AQS#530090013 Method code: 771, 056, Address: Cheeka Peak, Clallam County LAT/LONG: 048 17’ 12”/ 124 37' 13” Sampling: Continuous Monitoring objective: Rural NC ore MSA: Not in an MSA

Spokane, Augusta - SLAMS AQS #530630021 Method code: 056 Address: 3104 E. Augusta Ave., Spokane LAT/LONG: 047 39' 39" / 117 21' 26" Sampling: Continuous Monitoring objective: Population Exposure MSA: Spokane, WA

### 32 

## Meteorological Monitoring

Table 11: Meteorological Monitoring AQS# Site Name Est. Type Scale Sampling Type Action for 2011 530170006 Burbank 11/05/02 WS, WD, Ta Middle Continuous Relocate 530090013 Cheeka Peak 5/06 WS, WD, Ta Regional Continuous Continue 530650004 Colville 3/11 WS, WD, Ta Neighborhood Continuous Continue 530330023 Enumclaw Mud Mtn. 7/08/98 WS, WD, Ta Urban Continuous Continue 530330017 North Bend 6/1/98 WS, WD, Ta Regional Continuous Continue
530330080 Seattle Beaco n Hill 6/4/79 WS, WD, Ta Urban Continuous Continue 530630021 Spokane Augusta Ave. 3/09 WS, WD, Ta Neighborhood Continuous Continue 530531016 Tacoma Tower 1/1/91 WS, WD, Ta Urban Continuous Continue 530110011 Vancouver Blairmount 12/19/07 WS, WD, Ta Neighborhood Continuous Continue

Additional Monitors: A meteorological site at Colville has been established.

Recommendations/Modifications: Relocation of Burbank meteorology to the Kennewick site . Continue all other listed sites as described.

Burbank, Maple St – SLAMS – Relocation to Kennewick in 2011 AQS#530710006 Method code: 61101, 61102, 621101 Address: 755 Maple Street, Burbank LAT/LONG: 046 12' 00" / 119 00' 30" Monitoring objective: Population Exposure MSA: Not in an urban area

Cheeka Peak, Rural NCore AQS #530090013 Method code: 61101, 61102, 621101 Address: Cheeka Peak LAT/LONG: 048 29’ 78”/124 62’ 49” Monitoring objective: Special Studies MSA: Not in an MSA

Colville – SLAMS – NEW! AQS # 530650004 Method code: 61101, 61102, 621101 Address: 215 S. Oak Street LAT/LONG: 048 32' 41" / 122 54' 13" Monitoring objective: Population Exposure UA: Not in an urban area

Enumclaw, Mud Mountain Dam - SLAMS AQS # 530330023 Method code: 61101, 61102, 621101 Address: 30525 SE Mud Mountain Road, Enumcl aw LAT/LONG: 047 08' 28" / 121 56' 09" Monitoring objective: Regional Transpor t MSA: Seattle-Bellevue-Everett, WA

North Bend, North Bend Way - SLAMS AQS #530330017 Method code: 61101, 61102, 621101 Address: 42404 SE North Bend Way, North Bend LAT/LONG: 047 29' 23" / 121 46' 24" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA

Seattle, Beacon Hill - NCore AQS # 530330080 Method code: 61101, 61102, 621101 Address: 4103 Beacon Avenue S., Seattle LAT/LONG: 047 34' 58" / 122 18' 30" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA

### 33 Spokane, Augusta Ave. - SLAMS AQS #530630021 Method code: 61101, 61102, 621101 Address: 3104 E. Augusta Ave., Spokane LAT/LONG: 047 39' 39" / 117 21' 26" Monitoring objective: Population Exposure MSA: Spokane, WA

Tacoma, Tower Drive - SLAMS AQS #530531016 Method code: 61101, 61102, 621101 Address: Tower Drive, Tacoma LAT/LONG: 47.30444”/ 122.4120 Monitoring objective: Population exposure MSA: Seattle-Bellevue, Everett, WA

Vancouver, Blairmount - SLAMS AQS # 530110011 Method code: 61101, 61102, 621101 Address: 1500 SE Blairmount Drive, Vancouver LAT/LONG: 045 36' 37" / 122 30' 59" Monitoring objective: Population Exposure MSA: Portland-Vancouver, OR-WA

### 34 

## Lead (Pb 11351)

Table 12: Pb Lead (11351)

AQS# Site Name Est. Type Scale Sampling Type Action for 2011

530330080 Seattle, Beaco n Hill 2010 NCore Urban 1/6 Continue
TBD Auburn Municipal 12/11 Special Studies Urban 1/6 Document
TBD Collocated 12/11 Special Studies Urban 1/12 Document
TBD Harvey Field 12/11 Special Studies Urban 1/6 Document

Additional Monitors: Based on the EPA Proposed Rule signed December 23, 2009, Ecology established a Seattle area Pb population based monitor as required starting January 1, 2011 at the Seattle, Beacon Hill NCore site. Ecology anticipates establishing 2 source-based lead project airport site(s) in the fall of 2011. This is part of an EPA 12 month study at 15 airports in the United States. Washington airports are: Auburn Municipal Airport in Auburn and Harvey Field in Snohomish.

Recommendations/Modifications:

Seattle, Beacon Hill - NCore AQS #530330080 Method code: TBD Address: 4103 Beacon Avenue S., Seattle LAT/LONG: 047 34' 58" / 122 18' 30" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA

Auburn Municipal – Special Studies AQS #TBD Method code: TBD Address: 400 23 rd St., Auburn LAT/LONG: TBD Monitoring objective: Special Studies MSA: Seattle-Bellevue-Everett, WA

Harvey Field – Special Studies AQS #TBD Method code: TBD Address: 9900 Airport Way, Snohomish LAT/LONG: TBD Monitoring objective: Special Studies MSA: Seattle-Bellevue-Everett, WA

### 35 

## Trace Gas Monitoring

NCore – Precursor Gas & Multi-Pollutant Monitoring – From an emission source perspective, multiple pollutants and their precursors are released simultaneously (e.g., a combustion plume with nitrogen, carbon, hydrocarbon, mercury, sulfur g ases, and particulate matter). Meteorological processes that shape pollutant movement, atmospheric tran sformations, and removal act on all pollutants. Numerous chemical and physical interactions underlie the dynamics of particle and ozone formation and the adherence of air toxics on surfaces of particles.
Overwhelming programmatic and scientific interac tions across pollutants have demanded a movement toward integrated air quality management. Multi-poll utant air monitoring benefits health assessments and emissions strategy development. Health studies with access to multi-pollutant data will be better positioned to identify effects of different pollutants, particularly when concentration, composition, and population types are included. Air quality models a nd source attribution methods used for strategy development also benefit from the multi-pollutant appr oach. Modelers will be able to perform more robust evaluations by checking performance on several variables to ensure the model produces results for correct reasons and not through compensating erro rs. As emission sources are characterized by a multiplicity of pollutant releases, related source appor tionment models yield more conclusive results from use of multi-pollutant measurements. Multi-pollu tant measurements also streamline monitoring operations and offer increased diagnostic capabiliti es to improve instrument performance.
The multi-pollutant monitoring provided for these needs by starting to fill the measurement gaps that have accumulated over the years. The objective of this strate gy is to provide for the following important needs:

• Improved data flow and timely reporting to the public

• Future NAAQS compliance determinations and revisions

• Support for development of emissions strategies

• Assess effectiveness of air pollution control programs

• Data for scientific and health-based studies



## Table 13: Trace Gas Monitoring

AQS# Site Name Est. Type Scale Sampling Type Action for 2011

530330080 Seattle Beacon H ill 4/1997 NCore Urban Continuous Continue 530090013 Cheeka Peak 5/2006 Rural NCore Regional Continuous Continue

Additional Monitors: None Recommendations/Modifications: Continue listed sites as described.

### 36 Seattle, Beacon Hill - NCore AQS #530330080 Address: 4103 Beacon Avenue S., Seattle LAT/LONG: 047 34' 58" / 122 18' 30" Monitoring objective: Special Studies MSA: Seattle-Bellevue-Everett, WA Comments Seattle Beacon Hill is an Urban scale site for trace level CO, SO 2 , NO 2 , PM 2.5 , air toxics, speciation and other studies. Seattle Beacon Hill also measures chem ical speciated particulate matter, volatile organic air toxics, carbonyls and semi-volatile (PAH) toxics. Da ta from this site supports Particulate Research Center activities.



## Table 14: NCore Parameters Seattle Beacon Hill

Parameter Parameter Code Sampling/ Analysis
Method Sampling
schedule Spatial Scale Instrument Type Action for 2011

Ozone 44201 Continuous Urban API 440 E Continue

SO 2 trace 42401 Continuous Urban Thermo 42C Continue

CO trace 42101 Continuous Urban API 300EU Continue NOy trace 42600 Continuous Urban Thermo 42C-Y Continue

PM 2.5 mass 88101 Manual 1/3 Urban R&P 2025 Continue

PM 2.5 Continuous 88502 Continuous Urban R&P FDMS TEOM Continue

PM 2.5 Speciation 88502 Continuous & Manual 1/3 Urban Met One SSAS & URG 3000N Carbon , Sunset Labs OCEC Continue

PM 10-2.5 86101 Manual 1/3 Urban R&P 2025 Continue

PM 10-2.5 Speciation Not sampling None TBD

Wind speed & direction 61101/61102 Continuous Urban RM Young 05305 Continue

Ambient temperature 62101 Continuous Urban RM Young Platinum probe Continue

Delta Temperature 62106 Continuous Urban RM Young Continue

Ambient

pressure 64101 Continuous Urban RM Young Continue

Relative humidity 62201 Continuous Urban Rotronics Continue

### 37 Cheeka Peak, Rural NCore AQS #530090013 Address: Cheeka Peak LAT/LONG: 048 29’ 78”/124 62’ 49” Monitoring objective: Special Studies MSA: Not in an MSA Comments Cheeka Peak is a Regional scale Rural NCore site in Clallam County. Cheeka Peak measures PM 2.5 , ozone, trace level CO, SO 2 , NO 2 , PM 2.5 , and meteorology.



## Table 15: NCore Parameters Cheeka Peak

Parameter Parameter Code Sampling/ Analysis
Method Sampling
schedule Spatial Scale Instrument Type Action for 2011

Ozone 44201 Continuous Continuous Rural API T400 Continue

SO 2 trace 42401 Continuous Continuous Rural API T100U Continue

CO trace 42101 Continuous Continuous Rural API 300EU Continue NOy trace 42600 Continuous Continuous Rural API T200U Continue

PM 2.5 mass 88101 Manual IMPROVE Rural IMPROVE Continue

PM 2.5 Continuous 88502 Continuous Continuous Rural Radiance Research M903 Nephelometer Correlated Continue

Light Scatter 11203 Continuous Continuous Rural “ “ Continue Visibility 63101 Continuous Continuous Rural “ “ Continue

PM 2.5 Speciation 88502 Manual IMPROVE Rural IMPROVE Continue

PM 10-2.5 IMPROVE Rural IMPROVE Continue

PM 10-2.5 Speciation IMPROVE Rural IMPROVE Continue

Wind speed, direction & sigma 61101/61102 /61106 Continuous Continuous Rural RM Young PSD Quality Continue

Ambient temperature 62101 Continuous Continuous Rural RM Young Platinum probe Continue

Ambient

pressure 64101 Continuous Continuous Rural RM Young Continue

Relative humidity 62201 Continuous Continuous Rural Rotronics Continue

### 38 

## Toxics

Toxics

Collocated National Air Toxics Trend Site (NATTS) - In addition to the STN and NCore Precursor Gas Monitoring Programs, Beacon Hill is also a d esignated National Air Toxics Trend Site (NATTS). The primary objectives of Washington’s National Air Toxics Trends Site Monitoring Program include but are not limited to:

• Provide long-term air toxic monitoring data in order to establish and track trends.

• Evaluate the air toxic program’s progress by characterizing air toxics concentrations, and determining their spatial and temporal differe nces between cities and regions over time.

• Provide representative air toxic data to support exposure assessments (i.e. determine health risks).

• Determine where air toxics emissions come from (source apportionment).

• Provide air toxic data for evaluating modeling r esults that are used fo r exposure assessments.

• Assess the effectiveness of the air toxic program’s emission reduction and control strategies.



## Table 16: Toxics

AQS# Site Name Est. Type Scale Sampling Type Action for 2011

530330080 Seattle Beaco n Hill 4/1997 NCore Urban Manual Continue

Additional Monitors: None

Recommendations/Modifications: Continue listed site as described.

Seattle, Beacon Hill - NCore AQS #530330080 Method code: 593/560/574 Address: 4103 Beacon Avenue S., Seattle LAT/LONG: 047 34' 58" / 122 18' 30" Monitoring objective: Special Studies MSA: Seattle-Bellevue-Everett, WA Comments
Seattle Beacon Hill is a designated National Air T oxics Trends Site (NATTS). Seattle Beacon Hill monitoring station was nominated by the National Air Toxics Committee and chosen by EPA headquarters to represent urban scale air toxics in th e Pacific Northwest. It is currently the only designated urban scale NATTS located in the Pacific Northwest.

### 39 

## Speciation

Chemical Speciation Trends Network (CSN) - The PM 2.5 Chemical Speciation Program continues to have a significant role in the new Monitoring Strategy . Washington’s STN site is located at Jefferson Park on Beacon Hill in Seattle. The primary goal of the PM 2.5 speciation monitoring is to:

• Provide long-term data in orde r to establish and track trends

• Determine the spatial and temporal differences of PM 2.5 composition between cities and regions over time

• Provide representative PM 2.5 speciation data to support exposure assessments (i.e. determine health risks)

• Determine where PM 2.5 emissions come from (source apportionment)

• Evaluate modeling results that are used for exposure assessments

• Assess the effectiveness of the program’s emission reduction and control strategies



## Table 17: Speciation AQS# Site Name Est. Type Scale Sampling Type Action for 2011

530330080 Seattle Beaco n Hill 4/1997 NCore Urban 1/3 Continue
530611007 Marysville 2009 SLAMS Neighborhood 1/6 Continue 530530029 Tacoma L St 2008 SLAMS Neighborhood 1/6 Continue 530110013 Vancouver 2002 SLAMS Neighborhood 1/6 Continue 530770009 Yakima 2002 SLAMs Neighborhood 1/6 Continue

Additional Monitors: Based on the 2010 Network Assessment, we are recommending a Chemical Speciation sampler be installed in the Columbia Basin.

Recommendations/Modifications: Marysville was relocated within school grounds. A description is below in red. Continue all ot her listed sites as described.

Seattle, Beacon Hill -NCore AQS #530330080 Method code: Address: 4103 Beacon Avenue S., Seattle LAT/LONG: 047 34' 58" / 122 18' 30" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA
Supplemental Speciation Sites - In addition to the Beacon Hill STN site, the State operates four supplemental speciation sites. These supplemental sites are located at:
Marysville, 7 th Ave – (PSCAA) AQS #530611007 Method code: Address: 1605 7th ST, Marysville LAT/LONG: 048 03' 18" / 122 10' 33" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA The Marysville site is the result of an effort to satisfy both the Marysville school district and city of Marysville (codes) as we relocated the site. The original location was located on a school building scheduled to be demolished, and therefore no longer viable as a long-term site. As you know, daily PM values at this site have been very close to the NAAQS, and so we placed a high value on remaining on school grounds at this site.

### 40 Tacoma, L Street (PSCAA) AQS #530530029 Method code: Address: 7802 South L St., Tacoma LAT/LONG: 047 11' 11" / 122 27' 06" Monitoring objective: Population Exposur e MSA: Seattle-Bellevue-Everett, WA

Vancouver, 4 th Plain (SWCAA) AQS #530110013 Method code: Address: 8205 NE 4th Plain Boulevard, Vancouver LAT/LONG: 045 38' 55" / 122 35' 16" Monitoring objective: Population Exposure MSA: Portland-Vancouver, OR-WA

Yakima, S 4 th (YRCAA) AQS #530770009 Method code: Address: 402 South 4th Avenue, Yakima LAT/LONG: 046 35' 42" / 120 30' 44" Monitoring objective: Population Exposure MSA: Yakima, WA

### 41 

# References

1. Code of Federal Regulations, Title 40, Part 58, Appendix A,B,C,D,E, U.S. Government Printing Office, 1999.

2. Code of Federal Regulations, Title 40, Part 50, U.S. Government Printing Office, 1999.

3. Code of Federal Regulations, Title 40, Part 53, U.S. Government Printing Office, 1999.

4. Code of Federal Regulations, Title 40, Part 58, U.S. Government Printing Office, 1999.

5. U.S. EPA Revised Requirements for Designation of Reference and Equivalent Methods for PM 2.5 and Ambient Air Quality Surveillance for Particul ate Matter -Final Rule. 40 CFR, Parts 53 and 58. Federal Register, 62(138):38763-38853. July 18, 1997.

6. Guidance for Network Design and Optimum Site Exposure for PM 2.5 and PM 10 , J.G. Watson, et. Al., U.S. EPA/OAQPS, December 15, 1997.

7. SLAMS/NAMS/PAMS Network Review Guid ance, EPA-454/R-98-003, March 1998.

8. Ambient Monitoring Guidelines for Prevention of Significant Deterioration (PSD), EPA-450/4- 87-007, May 1987.



### 9. Guideline on Ozone Monitoring Site Se lection, EPA-454/R-98-002, August 1998.