California Air Resources Board 2009 Almanac (web)			
Chapter 5	San Diego		Table 5-62
San Diego - Formaldehyde			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	49	4%	0%
Area-wide Sources	56	4%	0%
On-Road Mobile	397	31%	2%
   Gasoline Vehicles	221	17%	1%
   Diesel Vehicles	176	14%	1%
Other Mobile	779	61%	4%
   Gasoline Fuel	187	15%	1%
   Diesel Fuel	385	30%	2%
   Other Fuel	208	16%	1%
Natural Sources	0	0%	0%
Total	1282	100%	6%
Total Statewide	20951