2002 Almanac (page 241)  Table 5-17  2001 Top Ten Counties:  Methylene Chloride			

Methylene Chloride			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	2562	32%
Orange	South Coast	1009	13%
Santa Clara	San Francisco Bay Area	855	11%
San Bernardino	South Coast	462	6%
San Diego	San Diego	378	5%
Alameda	San Francisco Bay Area	312	4%
Riverside	South Coast	248	3%
Sacramento	Sacramento Valley	178	2%
Ventura	South Central Coast	170	2%
San Mateo	San Francisco Bay Area	149	2%