California Air Resources Board 2009 Almanac (web) Appendix C Outer Continental Shelf 3-24 Miles Table C_10 Ocean Going Vessels and Commercial Harbor Craft TAC Del Norte Humboldt Los Angeles Marin Mendocino Monterey Orange San Diego San Francisco San Luis Obispo San Mateo Santa Barbara Santa Cruz Sonoma Ventura Acetaldehyde 0 1 10 1 1 2 4 7 6 1 2 3 1 1 2 Benzene 0 2 9 2 3 6 2 3 5 1 4 8 2 2 3 "1,3-Butadiene" < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 0 0 Carbon Tetrachloride 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 Chromium (Hexavalent) 0 0 0 0 0 0 0 0 0 0 0 0 0 0.00 0.00 para-DiChlorobenzene 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Formaldehyde < 1 2 21 2 3 4 8 14 12 2 3 6 3 2 3 Methylene Chloride 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Perchloroethylene 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Diesel PM 3 173 626 175 216 498 183 138 363 92 316 721 156 124 218