Sacramento Valley - Benzene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 171 6% 1% Area-wide Sources 409 14% 1% On-Road Mobile 1286 43% 4% Gasoline Vehicles 1256 42% 4% Diesel Vehicles 30 1% 0% Other Mobile 1132 38% 4% Natural Sources 0 0% 0% Total 2998 100% 10% Total Statewide 30778