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 499 56% 8% Area-wide Sources 390 44% 6% 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 888 100% 14% Total Statewide 6244