2003 Almanac (page 248) Table 5-22 2002 Emission Inventory by Compound South Coast Air Basin - Acetaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 19 1% 0% Area-wide Sources 84 5% 1% On-Road Mobile 623 38% 8% Gasoline Vehicles 319 20% 4% Diesel Vehicles 304 19% 4% Other Mobile 906 55% 12% Natural Sources 0 0% 0% Total 1633 100% 22% Total Statewide 7543