Appendix C	North Coast		Table C_7																						
TAC	Del Norte	Humboldt	Mendocino	Sonoma	Trinity																				
Acetaldehyde	20	87	75	27	23																				
Benzene	11	66	58	47	22																				
"1,3-Butadiene"	35	88	25	10	90																				
Carbon Tetrachloride	0	< .01	0	0	0																				
Chromium (Hexavalent)	< .01	< .01	0.02	0.01	< .01																				
para-DiChlorobenzene	1	5	4	3	< 1																				
Formaldehyde	29	151	128	54	40																				
Methylene Chloride	4	17	12	13	1																				
Perchloroethylene	4	19	15	9	2																				
Diesel PM	17	149	154	61	31