California Air Resources Board 2007 Almanac (web)																	
Appendix C	Salton Sea																
TAC	Imperial	Riverside															
Acetaldehyde	113	129															
Benzene	163	98															
"1,3-Butadiene"	27	22															
Carbon Tetrachloride	0	< .01															
Chromium (Hexavalent)	0.05	< .01															
para-DiChlorobenzene	7	16															
Formaldehyde	273	281															
Methylene Chloride	19	69															
Perchloroethylene	22	51															
Diesel PM	451	807