San Diego - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 1455 89% 13% Area-wide Sources 175 11% 2% On-Road Mobile 0 0% 0% Gasoline Vehicles 0 0% 0% Diesel Vehicles 0 0% 0% Other Mobile 0 0% 0% Natural Sources 0 0% 0% Total 1631 100% 14% Total Statewide 11431