California Air Resources Board 2004 Almanac (web) Table 5-63 Chapter 5 San Diego Perchloroethylene Emissions San Diego - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 446 72% 7% Area-wide Sources 172 28% 3% 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 618 100% 10% Total Statewide 6078