2003 Almanac (page 250) Table 5-26 2002 Emission Inventory by Compound South Coast Air Basin - Chromium (Hexavalent) Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 0.48 85% 19% Area-wide Sources 0 0 0 On-Road Mobile 0.05 8% 2% Gasoline Vehicles 0.05 8% 2% Diesel Vehicles < .01 0% 0% Other Mobile 0.04 6% 1% Natural Sources < .01 <0.1% <0.1% Total 0.57 100% 22% Total Statewide 2.56