California Air Resources Board 2006 Almanac (web)																									
Appendix C	Lake Tahoe		Table C_3																						
TAC	El Dorado	Placer																							
Acetaldehyde	42	21																							
Benzene	36	13																							
"1,3-Butadiene"	9	3																							
Carbon Tetrachloride	< .01	0																							
Chromium (Hexavalent)	< .01	< .01																							
para-DiChlorobenzene	3	< 1																							
Formaldehyde	78	31																							
Methylene Chloride	5	4																							
Perchloroethylene	6	3																							
Diesel PM	38	14