California Air Resources Board 2009 Almanac (web)			
Chapter 5	Table 5-16		Statewide
Formaldehyde			
County	Air Basin	tons/year	Percent
Los Angeles	South Coast	2870	14%
Kern	San Joaquin Valley	1301	6%
San Diego	San Diego	1282	6%
Orange	South Coast	947	5%
San Bernardino	Mojave Desert	799	4%
Fresno	San Joaquin Valley	688	3%
Santa Clara	San Francisco Bay Area	629	3%
San Bernardino	South Coast	604	3%
Alameda	San Francisco Bay Area	599	3%
San Joaquin	San Joaquin Valley	565	3%