California Air Resources Board 2006 Almanac (web)			
Chapter 5	Table 5-3		Statewide
Acetaldehyde			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	992	13%
San Diego	San Diego	497	6%
Alameda	San Francisco Bay Area	334	4%
Orange	South Coast	325	4%
Santa Clara	San Francisco Bay Area	270	4%
Fresno	San Joaquin Valley	251	3%
Sacramento	Sacramento Valley	232	3%
San Bernardino	South Coast	214	3%
Riverside	South Coast	213	3%
Kern	San Joaquin Valley	193	3%