California Air Resources Board 2007 Almanac (web)									
Appendix C	Mojave Desert		Table C_4						
TAC	Kern	Los Angeles	Riverside	San Bernardino					
Acetaldehyde	189	92	57	387					
Benzene	113	91	23	425					
"1,3-Butadiene"	59	21	4	109					
Carbon Tetrachloride	0.01	< .01	0	0.03					
Chromium (Hexavalent)	0.29	0.03	< .01	0.02					
para-DiChlorobenzene	6	14	1	19					
Formaldehyde	495	219	117	915					
Methylene Chloride	16	103	5	79					
Perchloroethylene	16	39	4	94					
Diesel PM	583	334	351	1759