2003 Almanac (page 283) Table 5-72 2002 Emission Inventory by Compound Sacramento Valley Air Basin - Formaldehyde Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 248 13% 1% Area-wide Sources 325 17% 2% On-Road Mobile 479 25% 2% Gasoline Vehicles 309 16% 1% Diesel Vehicles 170 9% 1% Other Mobile 878 46% 4% Natural Sources 0 0% 0% Total 1930 100% 9% Total Statewide 21033