G A~L I RTTR'N ,L7T Sacramento County * Reno planning area CNEVADA Mammoth Lake planning area 0 25 50 I I I I I I I I I o Mono Basin / Owens Valley \s— planning area Coso Junction x area planning Indian Wells Valley anninii area East K Trona planning San Bernardino (part) DINKrVYIK )\S IN US EPA REGION 9 FOR THE 24-HOUR PARTICULATE MATTER PMi0 NATIONAL AMBIENT AIR QUALITY STANDARDS m Nonattainment/Serious | | Nonattainment/Moderate Attainment (Maintenance) Attainment/Unclassifiable The primary and secondary national ambient air quality standards (NAAQS) for particulate matter less than 10 micrometers in diameter (PM-10) are 150 micro- grams per cubic meter (p.g/m3). Areas violating the NAAQS are designated "Non- attainment." Other Pacific territories under EPA Region 9 jurisdiction (not shown on map) are designated "Unclassifiable/Attainment." Sources: Title 40 CFR Part 81, §303, 305, 312, 329, 352, 353, TANA (2006). AIR1300053_l.mxd (September 26, 2013) REGION 9 - AIR 100 Miles HAWAII GUAM if SouthjCoast Air Basin *6. Imperial Valley ^ planning area Coachella Valley planning area Las Vegas planning area 'Bullhead City ARIZONA Phoenix planning West Pinal Miami planning area Hayden —planning -Yuma planning area' V Ajo •planning area« cO RiHito / Nogales R,aul SPur/ planning' /planning Douglas area / area / planning vtarea—- ------- |