California Air Resources Board 2009 Almanac (web) Chapter 5 Sacramento Valley Table 5-75 Sacramento Valley - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 200 56% 4% Area-wide Sources 155 44% 3% 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 355 100% 7% Total Statewide 4982