California Air Resources Board 2007 Almanac (web) Chapter 5 San Diego Table 5-64 San Diego - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 245 58% 5% Area-wide Sources 177 42% 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 422 100% 9% Total Statewide 4865