Particulate Matter (PM10)			
Air Basin	Facility Name	City	Tons/Year
San Francisco Bay Area	ADM Inc. (Wood Products)	Benecia	1376
Mojave Desert	U.S. Borax	Boron	614
San Joaquin Valley	Kern Oil & Refining Co.	Bakersfield	544
San Joaquin Valley	Port Of Stockton	Stockton	536
Mojave Desert	"IMC Chemicals, Inc."	Trona	526
Mojave Desert	Mitsubishi Cement	Lucerne Valley	472
South Coast	Chevron Products Co.	El Segundo	472
South Coast	Arco Products Co.	Carson	452
Mountain Counties	Ampine (Wood Products)	Martell	447
San Francisco Bay Area	Martinez Refining Company	Martinez	433