California Air Resources Board 2006 Almanac (web) Appendix C San Joaquin Valley Table C_14 TAC Fresno Kern Kings Madera Merced San Joaquin Stanislaus Tulare Acetaldehyde 251 193 108 65 78 168 124 150 Benzene 304 742 69 82 93 221 152 157 "1,3-Butadiene" 76 51 40 24 38 51 49 109 Carbon Tetrachloride < .01 < .01 0 0 0 0 0 0 Chromium (Hexavalent) 0.05 0.04 0.02 < .01 < .01 0.03 0.03 0.01 para-DiChlorobenzene 58 45 10 10 16 42 34 27 Formaldehyde 558 1184 316 161 174 382 273 335 Methylene Chloride 129 68 15 16 26 74 61 45 Perchloroethylene 183 94 23 28 43 119 94 68 Diesel PM 977 726 181 213 298 668 441 509