California Air Resources Board 2008 Almanac (web) Chapter 5 San Diego Table 5-59 San Diego - Carbon Tetrachloride Emissions Source tons/year Percent Air Basin Percent State Stationary Sources 0.09 100% 5% Area-wide Sources 0 0% 0% On-Road Mobile 0 0% 0% Gasoline Vehicles 0 0% 0% Diesel Vehicles 0 0% 0% Other Mobile 0 0% 0% Gasoline Fuel 0 0% 0% Diesel Fuel 0 0% 0% Other Fuel 0 0% 0% Natural Sources 0 0% 0% Total 0.09 100% 5% Total Statewide 1.96