2003 Almanac (page 445)  Table C-3  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin		
Lake Tahoe Air Basin		

TAC	El Dorado*	Placer*
Acetaldehyde	38	18
Benzene	37	13
"1,3-Butadiene"	10	3
Carbon Tetrachloride	< .01	0
Chromium (Hexavalent)	< .01	< .01
para-Dichlorobenzene	2	< 1
Formaldehyde	75	28
Methylene Chloride	5	3
Perchloroethylene	6	2
Diesel PM	32	5

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