California Air Resources Board 2009 Almanac (web) Chapter 5 San Joaquin Valley Table 5-53 San Joaquin Valley - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 399 65% 8% Area-wide Sources 218 35% 4% 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 617 100% 12% Total Statewide 4982