2003 Almanac (page 444) Table C-2 County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin Lake County Air Basin TAC Lake Acetaldehyde 41 Benzene 80 "1,3-Butadiene" 20 Carbon Tetrachloride 0.00 Chromium (Hexavalent) < .01 para-Dichlorobenzene 3 Formaldehyde 93 Methylene Chloride 8 Perchloroethylene 12 Diesel PM 54