California Air Resources Board 2006 Almanac (web)			
Chapter 5	San Diego		Table 5-56
San Diego - Benzene			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	41	5%	0%
Area-wide Sources	4	0%	0%
On-Road Mobile	480	57%	4%
   Gasoline Vehicles	460	54%	4%
   Diesel Vehicles	20	2%	0%
Other Mobile	325	38%	3%
   Gasoline Fuel	253	30%	2%
   Diesel Fuel	41	5%	0%
   Other Fuel	31	4%	0%
Natural Sources	0	0%	0%
Total	849	100%	7%
Total Statewide	12293