Sacramento Valley - Perchloroethylene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 607 81% 5% Area-wide Sources 140 19% 1% 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 747 100% 7% Total Statewide 11431