California Air Resources Board 2004 Almanac (web)			Table C-5																					
Appendix C	County Emissions for Ten Toxic Air Contaminants - Mountain Counties  Air Basin																							
TAC	Amador	Calaveras	El Dorado	Mariposa	Nevada	Placer	Plumas	Sierra	Tuolumne															
Acetaldehyde	34	44	81	24	107	18	67	12	57															
Benzene	51	77	90	43	89	24	151	37	102															
"1,3-Butadiene"	17	24	21	11	22	6	47	11	26															
Carbon Tetrachloride	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00															
Chromium (Hexavalent)	< .01	< .01	< .01	< .01	< .01	< .01	< .01	< .01	0.08															
para-DiChlorobenzene	2	2	7	< 1	5	1	1	< 1	3															
Formaldehyde	71	98	146	54	177	37	177	38	136															
Methylene Chloride	5	5	17	2	20	6	2	< 1	9															
Perchloroethylene	5	7	18	3	15	5	4	< 1	9															
Diesel PM	33	37	57	16	72	36	54	4	53