2003 Almanac (page 256)  Table 5-34  2002 Emission Inventory by Compound			

San Francisco Bay Area Air Basin - Benzene			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	202	9%	1%
Area-wide Sources	17	1%	0%
On-Road Mobile	1468	64%	11%
   Gasoline Vehicles	1418	62%	10%
   Diesel Vehicles	50	2%	0%
Other Mobile	615	27%	4%
Natural Sources	0	0%	0%
Total	2302	100%	17%
Total Statewide	13912