South Coast - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 26 1% 0% Area-WIDE Sources 363 13% 4% On-Road Mobile 1010 37% 11% Gasoline Vehicles 585 21% 6% Diesel Vehicles 425 15% 4% Other Mobile 1351 49% 14% Natural Sources 0 0% 0% Total 2749 100% 29% Total Statewide 9568