2003 Almanac (page 237)  Table 5-17  2002 Top Ten Counties:  Methylene Chloride			

Methylene Chloride			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	2580	33%
Orange	South Coast	1021	13%
Santa Clara	San Francisco Bay Area	458	6%
San Bernardino	South Coast	456	6%
San Diego	San Diego	393	5%
Alameda	San Francisco Bay Area	265	3%
Riverside	South Coast	253	3%
Sacramento	Sacramento Valley	182	2%
Ventura	South Central Coast	169	2%
Fresno	San Joaquin Valley	150	2%