California Air Resources Board 2004 Almanac (web)			Table C-11																						
Appendix C	County Emissions for Ten Toxic Air Contaminants - San Diego Air Basin																								
TAC	San Diego																								
Acetaldehyde	533																								
Benzene	966																								
"1,3-Butadiene"	229																								
Carbon Tetrachloride	0.12																								
Chromium (Hexavalent)	0.23																								
para-DiChlorobenzene	158																								
Formaldehyde	1400																								
Methylene Chloride	381																								
Perchloroethylene	618																								
Diesel PM	1704