Appendix C South Central Coast Table C_14 TAC San Luis Obispo Santa Barbara Ventura Acetaldehyde 83 102 126 Benzene 122 336 280 "1,3-Butadiene" 35 56 51 Carbon Tetrachloride 0 < .01 0.05 Chromium (Hexavalent) < .01 < .01 0.03 para-DiChlorobenzene 14 22 39 Formaldehyde 202 540 380 Methylene Chloride 44 107 158 Perchloroethylene 64 81 75 Diesel PM 246 264 469