2003 Almanac (page 446)  Table C-5  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin									
Mountain Counties Air Basin									

TAC	Amador	Calaveras	El Dorado*	Mariposa	Nevada	Placer*	Plumas	Sierra	Tuolumne
Acetaldehyde	34	45	81	25	106	17	66	12	58
Benzene	52	79	90	44	89	23	149	38	103
"1,3-Butadiene"	17	24	21	11	22	6	47	11	27
Carbon Tetrachloride	0	0	0	0	0	0	0	0	0
Chromium (Hexavalent)	< .01	< .01	< .01	< .01	< .01	< .01	< .01	< .01	0.09
para-Dichlorobenzene	2	2	7	< 1	5	1	1	< 1	3
Formaldehyde	71	100	145	56	176	35	174	38	137
Methylene Chloride	5	5	16	2	20	6	3	< 1	9
Perchloroethylene	5	7	18	3	15	5	4	< 1	9
Diesel PM	34	38	60	17	70	28	49	4	55

This Air Basin includes only a portion of this county.