Created by
Michael R. Meuser,

SVTC has identified 34 Hi-Tech chemicals of interest. Of these, only 17 have EPA cancer benchmarks (for the 1 in 1,000,000 risk) - the basis for our current maps. Others have benchmarks for chronic and/or acute effects. Also, 7 of the 34 HAPs below have no reported EPA Benchmark in any category.

HAP Chemical CAS No. HAP Threshold Cancer Chronic Acute
Acetaldehyde 75-07-0 X X X  
Allyl chloride 107-05-1 X X X  
Antimony compounds 7440-36-0        
Arsenic compounds 7440-38-2 X X X  
Beryllium compounds 7440-41-7 X X X  
Bis(2-ethylhexyl)phthalate 117-81-7 X X X  
cadmium compounds 7440-43-9 X X X  
Chromium compounds 18540-29-9 X X X X
Cyanide compounds 57-12-5        
dioxane(1,4)" 123-91-1 X X X  
Epichlorohydrin 106-89-8 X X X  
Ethylene glycol 107-21-1        
Formaldehyde 50-00-0 X X X  
Glycol ethers 107-21-1        
Hydrochloric acid 7647-01-0 X   X  
Hydrofluoric acid 7782-41-4 X   X X
Lead compounds 7439-92-1 X X X  
Maleic anhydride 108-31-6 X   X  
Mercury compounds 7439-97-6        
Methanol 67-56-1 X   X  
Methyl chloroform 67-56-1 X   X  
Methyl ethyl ketone 78-93-3        
Methyl isobutyl ketone 108-10-1        
Methyl methacrylate 80-62-6 X   X  
Methylene chloride 75-09-2 X X X  
various Nickel compounds (1) 13463-39-3 X X X  
various Nickel compounds (2) 12035-72-2 X X X  
p-dichlorobenzene 106-46-7 X X X  
Phenol 108-95-2 X   X  
Phthalic anhydride 85-44-9 X   X  
Tetrachloroethylene 127-18-4 X X X  
Toluene 108-88-3 X   X  
trichloroethane(1,1,2) 79-00-5 X X X  
Trichloroethylene 79-01-6 X X X  
Xylene 1330-20-7 X   X  

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Silicon Valley Toxics Coalition

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