California Air Resources Board 2008 Almanac (web)																
Appendix C	Lake Tahoe	Table C_3														
TAC	El Dorado	Placer														
Acetaldehyde	42	21														
Benzene	24	11														
"1,3-Butadiene"	7	3														
Carbon Tetrachloride	< .01	0														
Chromium (Hexavalent)	< .01	< .01														
para-DiChlorobenzene	2	< 1														
Formaldehyde	74	30														
Methylene Chloride	5	4														
Perchloroethylene	5	2														
Diesel PM	42	14