San Joaquin Valley - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 84 6% 1% Area-wide Sources 193 13% 2% On-Road Mobile 370 25% 4% Gasoline Vehicles 179 12% 2% Diesel Vehicles 191 13% 2% Other Mobile 816 56% 9% Natural Sources 0 0% 0% Total 1463 100% 15% Total Statewide 9568