2003 Almanac (page 450)  Table C-14  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin			
South Central Coast Air Basin			

TAC	San Luis Obispo	Santa Barbara	Ventura
Acetaldehyde	84	115	127
Benzene	127	352	290
"1,3-Butadiene"	36	44	47
Carbon Tetrachloride	0.00	< .01	0.05
Chromium (Hexavalent)	< .01	0.02	0.03
para-Dichlorobenzene	13	22	40
Formaldehyde	206	597	385
Methylene Chloride	43	104	169
Perchloroethylene	61	81	109
Diesel PM	270	354	500