California Air Resources Board 2004 Almanac (web)			Table C-15																
Appendix C	County Emissions for Ten Toxic Air Contaminants - South Coast Air Basin																		
TAC	Los Angeles	Orange	Riverside	San Bernardino															
Acetaldehyde	959	330	209	207															
Benzene	2588	917	417	431															
"1,3-Butadiene"	518	172	91	99															
Carbon Tetrachloride	0.51	< .01	< .01	< .01															
Chromium (Hexavalent)	0.37	0.05	0.04	0.04															
para-DiChlorobenzene	494	155	68	71															
Formaldehyde	3177	1051	607	568															
Methylene Chloride	2618	1061	260	473															
Perchloroethylene	1761	556	183	238															
Diesel PM	4570	1678	999	801