Appendix C Mountain Counties Table C_5 TAC Amador Calaveras El Dorado Mariposa Nevada Placer Plumas Sierra Tuolumne Acetaldehyde 31 47 85 26 119 39 50 15 62 Benzene 26 59 70 38 63 38 52 37 85 "1,3-Butadiene" 12 32 34 18 42 25 91 27 106 Carbon Tetrachloride 0 0 0 0 0 0 0 0 0 Chromium (Hexavalent) < .01 < .01 < .01 < .01 < .01 < .01 < .01 < .01 < .01 para-DiChlorobenzene 2 2 6 < 1 4 1 < 1 < 1 2 Formaldehyde 51 87 132 50 178 79 89 37 125 Methylene Chloride 5 5 16 2 21 7 2 < 1 9 Perchloroethylene 5 3 18 2 7 5 3 < 1 8 Diesel PM 25 36 37 11 122 122 42 4 47