California Air Resources Board 2004 Almanac (web) Table 5-66 Chapter 5 Sacramento Valley Acetaldehyde Emissions Sacramento Valley - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 29 4% 0% Area-wide Sources 289 35% 4% On-Road Mobile 147 18% 2% Gasoline Vehicles 64 8% 1% Diesel Vehicles 83 10% 1% Other Mobile 355 43% 5% Natural Sources 0 0% 0% Total 820 100% 11% Total Statewide 7507