California Air Resources Board 2004 Almanac (web) Table 5-44 Chapter 5 San Joaquin Valley Acetaldehyde Emissions San Joaquin Valley - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 72 6% 1% Area-wide Sources 194 17% 3% On-Road Mobile 263 23% 3% Gasoline Vehicles 94 8% 1% Diesel Vehicles 169 15% 2% Other Mobile 596 53% 8% Natural Sources 0 0% 0% Total 1124 100% 15% Total Statewide 7507