Appendix C Mojave Desert Table C_4 TAC Kern Los Angeles Riverside San Bernardino Acetaldehyde 180 84 52 349 Benzene 106 81 21 397 "1,3-Butadiene" 59 21 4 111 Carbon Tetrachloride 0.01 < .01 0 0.07 Chromium (Hexavalent) 0.01 < .01 < .01 0.02 para-DiChlorobenzene 6 15 1 20 Formaldehyde 476 202 107 799 Methylene Chloride 15 105 5 80 Perchloroethylene 16 41 4 98 Diesel PM 495 269 289 1450