2002 Almanac (page 286) Table 5-70 2001 Emission Inventory by Compound Sacramento Valley Air Basin - Chromium (Hexavalent) Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 0.06 70% 3% Area-wide Sources <.01 2% <1% On-Road Mobile 0 0% 0% Gasoline Vehicles 0 0% 0% Diesel Vehicles 0 0% 0% Other Mobile 0.02 28% 1% Natural Sources <.01 <1% <1% Total 0.09 100% 4% Total Statewide 2.2