### Appendix A

– Nonattainment and Maintenance Receptor List

State County 2006 24-hr PM2.5 NAAQS designated nonattainment area Site 24-hr standard

2008- 2010 2009- 2011 2010-2012 Receptor Type

California Butte Chico 060070008 51 NA 35 A 34 A Maintenance California Fresno San Joaquin Valley 060190011 54 NA 58 NA 59 NA Nonattainment California Fresno San Joaquin Valley 060195001 47 NA 54 NA 54 NA Nonattainment California Fresno San Joaquin Valley 060195025 43 NA 48 NA 53 NA Nonattainment California Imperial Imperial County 060250005 32 NV 38 NA 32 A Maintenance California Inyo 060271003 36 NA 36 NA 33 A Maintenance California Kern San Joaquin Valley 060290010 64 NA 65 NV 62 NV Nonattainment California Kern San Joaquin Valley 060290014 62 NA 62 NA 58 NA Nonattainment California Kern San Joaquin Valley 060290016 65 NA 55 NA 47 NA Nonattainment California Kings San Joaquin Valley 060310004 49 NA 46 NA 43 NA Nonattainment California Kings San Joaquin Valley 060311004 49 NV 57 NV 54 NA Nonattainment

California Los Angeles Los Angeles-South Coast Air Basin 060370002 38 NA 36 NA 31 NV Maintenance California Madera San Joaquin Valley 060392010 51 NV 55 NV 51 NA Nonattainment California Merced San Joaquin Valley 060470003 41 NV 43 NA 41 NA Nonattainment California Merced San Joaquin Valley 060472510 45 NA 39 NA 40 NA Nonattainment

California Riverside Los Angeles-South Coast Air Basin 060658001 38 NA 35 A 34 A Maintenance

California Riverside Los Angeles-South Coast Air Basin 060658005 41 NA 39 NA 37 NA Nonattainment California SacramentoSacramento 060670006 40 NA 35 A 31 A Maintenance California SacramentoSacramento 060674001 36 NA 35 A 31 A Maintenance

California San Bernardino Los Angeles-South Coast Air Basin 060710025 37 NA 34 A 32 A Maintenance

California San Bernardino Los Angeles-South Coast Air Basin 060712002 37 NA 31 A 32 A Maintenance California San Joaquin San Joaquin Valley 060771002 44 NA 38 NA 36 NA Nonattainment California San Joaquin San Joaquin Valley 060772010 44 NV 41 NV 38 NA Nonattainment California Stanislaus San Joaquin Valley 060990005 49 NA 50 NA 44 NA Nonattainment California Stanislaus San Joaquin Valley 060990006 55 NA 51 NA 49 NA Nonattainment California Sutter Yuba City-Marysville 061010003 36 NA 27 A 26 A Maintenance California Tulare San Joaquin Valley 061072002 51 NA 47 NA 47 NA Nonattainment Idaho Franklin Logan 160410001 46 NA 50 NA 47 NA Nonattainment Idaho Lemhi 160590004 35 NV 38 NA 38 NA Nonattainment Idaho Shoshone 160790017 36 NA 38 NA 38 NA Nonattainment

Montana Lewis and Clark Helena 300490026 35 NV 37 NA 33 A Maintenance Montana Silver Bow Butte-Silver Bow 300930005 38 NA 39 NA 34 A Maintenance Nevada Washoe 320310016 38 NA 26 A 18 A Maintenance Oregon Klamath Klamath Falls 410350004 44 NA 39 NA 35 A Maintenance Oregon Lake 410370001 38 NA 36 NA 34 A Maintenance Oregon Lane Oakridge 410392013 38 NA 39 NA 38 NA Nonattainment Utah Box Elder Salt Lake City 490030003 42 NA 40 NA 37 NA Nonattainment Utah Cache Logan 490050004 43 NA 42 NA 37 NA Nonattainment Utah Davis Salt Lake City 490110004 38 NA 40 NA 34 A Maintenance Utah Salt Lake Salt Lake City 490350003 45 NA 50 NA A Maintenance Utah Salt Lake Salt Lake City 490353006 44 NA 45 NA 38 NA Nonattainment Utah Salt Lake Salt Lake City 490353007 46 NV NV A Maintenance Utah Salt Lake Salt Lake City 490353008 42 NV NV A Maintenance Utah Salt Lake Salt Lake City 490353010 41 NA 41 NA 35 A Maintenance

### Appendix A

– Nonattainment and Maintenance Receptor List

State County 2006 24-hr PM2.5 NAAQS designated nonattainment area Site 24-hr standard

2008- 2010 2009- 2011 2010-2012 Receptor Type

Utah Utah Provo 490490002 36 NA 35 A 29 A Maintenance Utah Utah Provo 490494001 41 NA 41 NA 32 NV Maintenance Utah Utah Provo 490495008 33 A 38 NA 41 NV Nonattainment Utah Utah Provo 490495010 39 NA 42 NA 35 A Maintenance Utah Weber Salt Lake City 490570002 37 NA 41 NA 37 NA Nonattainment Utah Weber Salt Lake City 490570007 39 NV NV A Maintenance Utah Weber Salt Lake City 490571003 36 NA 37 NA 33 A Maintenance Washington Pierce Seattle-Tacoma, WA 530530029 38 NA 35 A 28 A Maintenance Washington Yakima 530770009 37 NA 35 A 31 A Maintenance 

### NA = not attaining; A = attaining; NV = incomplete data; Blank = monitor not operating

Data sources: AirTrends http://www.epa.gov/airtrends/values.html and AirData http://www.epa.gov/airquality/airdata/