2002 Almanac (page 280) Table 5-64 2001 Emission Inventory by Compound San Diego Air Basin - Diesel Particulate Matter Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 20 1% 0% Area-wide Sources 0 0% 0% On-Road Mobile 436 26% 2% Gasoline Vehicles 0 0% 0% Diesel Vehicles 436 26% 2% Other Mobile 1237 73% 5% Natural Sources 0 0% 0% Total 1693 100% 7% Total Statewide 24509