2002 Almanac (page 97) Table 2-16 Carbon Monoxide: Maximum Peak 8-Hour Indicator by Air Basin 2000 Maximum Peak Number of Days Number of Days 8-Hour Indicator in in 2000 above in 2000 above AIR BASIN parts per million State 8-Hour Standard National 8-Hour Standard Great Basin Valleys Air Basin 2.9 0 0 Lake County Air Basin Incomplete Data Incomplete Data Incomplete Data Lake Tahoe Air Basin 2.1 0 0 Mojave Desert Air Basin 4.6 0 0 Mountain Counties Air Basin 5.7 0 0 North Central Coast Air Basin 1.6 0 0 North Coast Air Basin 3.4 0 0 Northeast Plateau Air Basin Incomplete Data Incomplete Data Incomplete Data Sacramento Valley Air Basin 7 0 0 Salton Sea Air Basin 14.8 7 6 San Diego Air Basin 5.3 0 0 San Francisco Bay Area Air Basin 7.1 0 0 San Joaquin Valley Air Basin 8.3 0 0 South Central Coast Air Basin 4.7 0 0 South Coast Air Basin 12.6 6 3