2003 Almanac (page 448)  Table C-9  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin											
Sacramento Valley Air Basin											

TAC	Butte	Colusa	Glenn	Placer*	Sacramento	Shasta	Solano*	Sutter	Tehama	Yolo	Yuba
Acetaldehyde	101	16	24	81	221	140	32	40	48	63	44
Benzene	135	35	41	118	372	157	88	68	38	73	53
"1,3-Butadiene"	39	19	17	25	75	44	13	11	11	15	20
Carbon Tetrachloride	0.00	0.00	0.00	0.00	0.06	0.00	< .01	0.00	< .01	0.00	0.00
Chromium (Hexavalent)	< .01	< .01	0.03	< .01	0.04	0.03	< .01	0.03	< .01	0.02	0.02
para-Dichlorobenzene	11	1	1	11	65	9	6	4	3	9	3
Formaldehyde	256	59	87	195	537	274	82	108	80	134	117
Methylene Chloride	33	2	3	48	182	22	16	10	7	25	8
Perchloroethylene	32	3	4	34	197	32	14	12	10	25	9
Diesel PM	230	75	89	182	784	211	129	206	112	320	79

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