California Air Resources Board 2008 Almanac (web)											
Appendix C	South Coast		Table C_16								
TAC	Los Angeles	Orange	Riverside	San Bernardino							
Acetaldehyde	1343	420	249	290							
Benzene	2143	683	353	400							
"1,3-Butadiene"	437	135	84	110							
Carbon Tetrachloride	0.07	0.54	0.09	0.05							
Chromium (Hexavalent)	0.07	0.02	0.01	< .01							
para-DiChlorobenzene	383	121	59	60							
Formaldehyde	3350	1064	584	669							
Methylene Chloride	2078	938	226	271							
Perchloroethylene	1263	419	199	212							
Diesel PM	6525	1587	1058	1075