2002 Almanac (page 270) Table 5-48 2001 Emission Inventory by Compound San Joaquin Valley Air Basin - Chromium (Hexavalent) Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 0.31 86% 14% Area-wide Sources <.01 <1% <1% On-Road Mobile 0 0% 0% Gasoline Vehicles 0 0% 0% Diesel Vehicles 0 0% 0% Other Mobile 0.05 14% 2% Natural Sources <.01 <1% <1% Total 0.36 100% 16% Total Statewide 2.2