California Air Resources Board 2009 Almanac (web)			
Chapter 5	San Francisco Bay Area		Table 5-40
San Francisco Bay Area - Formaldehyde			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	217	7%	1%
Area-wide Sources	354	11%	2%
On-Road Mobile	792	25%	4%
   Gasoline Vehicles	453	14%	2%
   Diesel Vehicles	339	11%	2%
Other Mobile	1776	57%	8%
   Gasoline Fuel	308	10%	1%
   Diesel Fuel	1071	34%	5%
   Other Fuel	397	13%	2%
Natural Sources	0	0%	0%
Total	3138	100%	15%
Total Statewide	20951