2002 Almanac (page 440)  Table C-1  County Emissions (tons/year) for Ten Toxic Air Contaminants by Air Basin			
Great Basin Valleys Air Basin			

TAC	Alpine	Inyo	Mono
Acetaldehyde	7	16	32
Benzene	25	27	60
"1,3-Butadiene"	6	5	14
Carbon Tetrachloride	0	0	0
Chromium (Hexavalent)	< .01	< .01	0.02
para-Dichlorobenzene	< 1	< 1	< 1
Formaldehyde	24	31	74
Methylene Chloride	< 1	2	1
Perchloroethylene	< 1	11	7
Diesel PM	1	18	15