California Air Resources Board 2006 Almanac (web)			
Chapter 5	San Francisco Bay Area		Table 5-41
San Francisco Bay Area - Perchloroethylene			
Emissions Source	tons/year	Percent Air Basin	Percent State
Stationary Sources	331	45%	6%
Area-wide Sources	400	55%	7%
On-Road Mobile	0	0%	0%
   Gasoline Vehicles	0	0%	0%
   Diesel Vehicles	0	0%	0%
Other Mobile	0	0%	0%
   Gasoline Fuel	0	0%	0%
   Diesel Fuel	0	0%	0%
   Other Fuel	0	0%	0%
Natural Sources	0	0%	0%
Total	730	100%	14%
Total Statewide	5361