2002 Almanac (page 441)  Table C-3  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin		
Lake Tahoe Air Basin		

TAC	El Dorado*	Placer*
Acetaldehyde	39	18
Benzene	49	22
"1,3-Butadiene"	11	4
Carbon Tetrachloride	< .01	0
Chromium (Hexavalent)	< .01	< .01
para-Dichlorobenzene	2	< 1
Formaldehyde	78	30
Methylene Chloride	5	3
Perchloroethylene	23	8
Diesel PM	32	7

*  This Air Basin includes only a portion of this county.