California Air Resources Board 2007 Almanac (web)			
Chapter 5	San Diego		Table 5-62
San Diego - Formaldehyde			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	35	2%	0%
Area-wide Sources	56	4%	0%
On-Road Mobile	463	33%	2%
   Gasoline Vehicles	267	19%	1%
   Diesel Vehicles	197	14%	1%
Other Mobile	871	61%	4%
   Gasoline Fuel	202	14%	1%
   Diesel Fuel	448	31%	2%
   Other Fuel	221	16%	1%
Natural Sources	0	0%	0%
Total	1426	100%	6%
Total Statewide	23154