California Air Resources Board 2006 Almanac (web)																									
Appendix C	Northeast Plateau		Table C_8																						
TAC	Lassen	Modoc	Siskiyou																						
Acetaldehyde	66	22	88																						
Benzene	97	11	96																						
"1,3-Butadiene"	22	3	65																						
Carbon Tetrachloride	0	0	0																						
Chromium (Hexavalent)	< .01	< .01	< .01																						
para-DiChlorobenzene	3	< 1	3																						
Formaldehyde	131	37	156																						
Methylene Chloride	4	< 1	6																						
Perchloroethylene	7	2	9																						
Diesel PM	60	52	120