California Air Resources Board 2007 Almanac (web)																								
Appendix C	Mountain Counties		Table C_5																					
TAC	Amador	Calaveras	El Dorado	Mariposa	Nevada	Placer	Plumas	Sierra	Tuolumne															
Acetaldehyde	32	49	86	27	122	40	51	14	63															
Benzene	28	64	73	40	68	38	54	36	88															
"1,3-Butadiene"	7	26	18	15	20	22	84	25	99															
Carbon Tetrachloride	0	0	0	0	0	0	0	0	0															
Chromium (Hexavalent)	< .01	< .01	< .01	< .01	< .01	< .01	< .01	< .01	< .01															
para-DiChlorobenzene	1	2	6	< 1	4	1	< 1	< 1	2															
Formaldehyde	53	92	135	52	185	81	91	36	129															
Methylene Chloride	5	5	17	2	21	7	2	< 1	9															
Perchloroethylene	5	3	18	2	6	4	3	< 1	8															
Diesel PM	27	41	43	13	145	139	46	5	52