2003 Almanac (page 221)  Table 5-9  2002 Top Ten Counties:  Carbon Tetrachloride			

Carbon Tetrachloride			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	1.83	53%
Contra Costa	San Francisco Bay Area	1.31	37%
San Diego	San Diego	0.09	3%
Orange	South Coast	0.08	2%
Sacramento	Sacramento Valley	0.06	2%
Ventura	South Central Coast	0.05	2%
Riverside	South Coast	0.02	<1%
San Bernardino	South Coast	0.01	<1%
Fresno	San Joaquin Valley	0.01	<1%
El Dorado	Lake Tahoe	0.00	<1%