DESIGNATIONS FOR Particulate Matter PM10 NATIONAL AMBIENT AIR QUALITY STANDARDS Nonattainment/Serious ~ Nonattainment/Moderate IZZI Atta in me nt/M a inte n a nee Attainment/Unclassifiable 6 EPA w 0 25 50 1 I I I I GUAM N 100 Miles I I I I South Coast Air Basin HAWAI I Imperial Valley/ planning area ------- |