California Air Resources Board 2009 Almanac (web)			
Chapter 5	Statewide		Table 5-5
Benzene			
Emissions Source	tons/year	Percent State	
Stationary Sources	1284	12%	
Area-wide Sources	117	1%	
On-Road Mobile	5024	47%	
   Gasoline Vehicles	4494	42%	
   Diesel Vehicles	530	5%	
Other Mobile	4323	40%	
   Gasoline Fuel	3127	29%	
   Diesel Fuel	870	8%	
   Other Fuel	326	3%	
Natural Sources	46	0%	
Total Statewide	10794	100%