Appendix C Mountain Counties Table C_5 TAC Amador Calaveras El Dorado Mariposa Nevada Placer Plumas Sierra Tuolumne Acetaldehyde 34 44 81 24 106 18 67 12 57 Benzene 50 73 87 41 87 23 151 37 99 "1,3-Butadiene" 17 23 21 10 22 6 47 11 26 Carbon Tetrachloride 0 0 0 0 0 0 0 0 0 Chromium (Hexavalent) < .01 < .01 < .01 < .01 < .01 < .01 < .01 < .01 0.08 para-DiChlorobenzene 2 2 7 < 1 5 1 1 < 1 3 Formaldehyde 70 95 144 52 175 37 177 37 133 Methylene Chloride 5 5 17 2 21 6 2 < 1 9 Perchloroethylene 5 7 18 3 15 5 4 < 1 9 Diesel PM 32 36 55 16 70 35 54 4 51