California Air Resources Board 2006 Almanac (web)			
Chapter 5	San Diego		Table 5-61
San Diego - Formaldehyde			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	35	3%	0%
Area-wide Sources	56	4%	0%
On-Road Mobile	397	32%	2%
   Gasoline Vehicles	250	20%	1%
   Diesel Vehicles	147	12%	1%
Other Mobile	753	61%	4%
   Gasoline Fuel	214	17%	1%
   Diesel Fuel	303	24%	2%
   Other Fuel	235	19%	1%
Natural Sources	0	0%	0%
Total	1240	100%	6%
Total Statewide	19078