2002 Almanac (page 442) Table C-6 County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin North Central Coast Air Basin TAC Monterey San Benito Santa Cruz Acetaldehyde 103 17 67 Benzene 347 40 156 "1,3-Butadiene" 63 13 21 Carbon Tetrachloride < .01 0 0 Chromium (Hexavalent) < .01 < .01 < .01 para-Dichlorobenzene 21 3 13 Formaldehyde 291 39 142 Methylene Chloride 74 8 51 Perchloroethylene 240 29 175 Diesel PM 283 60 137