San Joaquin Valley - Chromium (Hexavalent) Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 0.2712 84% 11% Area-wide Sources 0.0117 4% 0% On-Road Mobile 0 0% 0% Gasoline Vehicles 0 0% 0% Diesel Vehicles 0 0% 0% Other Mobile 0.0398 12% 2% Natural Sources < .0001 0% 0% Total 0.3227 100% 13% Total Statewide 2.4651