California Air Resources Board 2007 Almanac (web)			
Chapter 5	Table 5-18		Statewide
Methylene Chloride			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	2078	32%
Orange	South Coast	938	14%
San Diego	San Diego	367	6%
San Bernardino	South Coast	271	4%
Santa Clara	San Francisco Bay Area	265	4%
Riverside	South Coast	226	3%
Alameda	San Francisco Bay Area	216	3%
Sacramento	Sacramento Valley	182	3%
Ventura	South Central Coast	161	2%
Contra Costa	San Francisco Bay Area	123	2%