California Air Resources Board 2009 Almanac (web)			
Chapter 5	Table 5-18		Statewide
Methylene Chloride			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	2039	32%
Orange	South Coast	965	15%
San Diego	San Diego	359	6%
San Bernardino	South Coast	278	4%
Santa Clara	San Francisco Bay Area	251	4%
Riverside	South Coast	234	4%
Alameda	San Francisco Bay Area	201	3%
Sacramento	Sacramento Valley	175	3%
Ventura	South Central Coast	157	2%
Fresno	San Joaquin Valley	126	2%