California Air Resources Board 2004 Almanac (web) Table 5-55 Chapter 5 San Diego Acetaldehyde Emissions San Diego - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 6 1% 0% Area-wide Sources 104 19% 1% On-Road Mobile 142 27% 2% Gasoline Vehicles 67 13% 1% Diesel Vehicles 75 14% 1% Other Mobile 281 53% 4% Natural Sources 0 0% 0% Total 533 100% 7% Total Statewide 7507