California Air Resources Board 2009 Almanac (web) Chapter 5 Statewide Table 5-11 Chromium (Hexavalent) Emissions Source tons/year Percent State Stationary Sources 0.2836 48% Area-wide Sources 0.0118 2% On-Road Mobile 0.1652 28% Gasoline Vehicles 0.1584 27% Diesel Vehicles < .01 1% Other Mobile 0.1479 25% Gasoline Fuel 0.1406 24% Diesel Fuel < .01 1% Other Fuel < .01 0% Natural Sources 0 0% Total Statewide 0.6100 100%