South Coast - Benzene Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 374 4% 1% Area-wide Sources 139 1% 0% On-Road Mobile 6110 63% 20% Gasoline Vehicles 5994 62% 19% Diesel Vehicles 116 1% 0% Other Mobile 3090 32% 10% Natural Sources 0 0% 0% Total 9712 100% 32% Total Statewide 30778