California Air Resources Board 2009 Almanac (web)			
Chapter 5	San Diego		Table 5-57
San Diego - Benzene			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	42	5%	0%
Area-wide Sources	4	0%	0%
On-Road Mobile	415	54%	4%
   Gasoline Vehicles	391	51%	4%
   Diesel Vehicles	24	3%	0%
Other Mobile	310	40%	3%
   Gasoline Fuel	227	29%	2%
   Diesel Fuel	52	7%	0%
   Other Fuel	31	4%	0%
Natural Sources	0	0%	0%
Total	770	100%	7%
Total Statewide	10794