2002 Almanac (page 443)  Table C-7  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin					
North Coast Air Basin					

TAC	Del Norte	Humboldt	Mendocino	Sonoma*	Trinity
Acetaldehyde	23	94	71	30	22
Benzene	34	135	122	110	40
"1,3-Butadiene"	17	29	20	16	15
Carbon Tetrachloride	0	0	0	0	0
Chromium (Hexavalent)	< .01	< .01	< .01	< .01	< .01
para-Dichlorobenzene	2	7	5	3	< 1
Formaldehyde	39	179	144	79	46
Methylene Chloride	5	18	14	12	2
Perchloroethylene	22	78	58	11	9
Diesel PM	39	213	159	82	12

* This Air Basin includes only a portion of this county.