2003 Almanac (page 276) Table 5-63 2002 Emission Inventory by Compound San Diego Air Basin - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 436 70% 7% Area-wide Sources 188 30% 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 624 100% 10% Total Statewide 6027