2002 Almanac (page 271) Table 5-50 2001 Emission Inventory by Compound San Joaquin Valley Air Basin - Formaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 685 18% 3% Area-wide Sources 233 6% 1% On-Road Mobile 955 26% 4% Gasoline Vehicles 640 17% 3% Diesel Vehicles 315 8% 1% Other Mobile 1854 50% 9% Natural Sources 0 0% 0% Total 3727 100% 17% Total Statewide 21771