Chapter 2	Estimated Secondary Portion of PM2.5 (annual average)					Table 2-19

Air Basin	Secondary PM2.5 (%)					
Great Basin Valleys	30					
Lake County	30					
Lake Tahoe	40					
Mojave Desert	40					
Mountain Counties	30					
North Central Coast	40					
North Coast	30					
Northeast Plateau	30					
Sacramento Valley	30					
Salton Sea	40					
San Diego	50					
San Francisco Bay Area	40					
San Joaquin Valley	40					
South Central Coast	50
South Coast	60