2002 Almanac (page 287) Table 5-72 2001 Emission Inventory by Compound Sacramento Valley Air Basin - Formaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 161 8% 1% Area-wide Sources 335 17% 2% On-Road Mobile 583 29% 3% Gasoline Vehicles 421 21% 2% Diesel Vehicles 161 8% 1% Other Mobile 904 46% 4% Natural Sources 0 0% 0% Total 1982 100% 9% Total Statewide 21771