Chemical 



CASRN 



RfD CAR HA 



Heptachlor 76-44-8 



Heptachlor Epoxide 1024-57-3 



Hexabromobenzene 87-82-1 



Hexachlorobutadiene 87-68-3 



alpha-Hexachlorocyclohexane 319-84-6 



(alpha-HCH) 



beta-Hexachlorocyclohexane 319-85-7 



(beta-HCH) 



delta-HexachlorocycIohexane 319-86-8 



(delta-HCH) 



epsilon-Hexachlorocyclohexane 6108-10-7 



(epsilon-HC) 



gamma-Hexachlorocyclohexane 58-89-9 



(gamma-HCH) 



technical Hexachlorocyclohexane 608-73-1 



(t-HCH) 

 Hexachlorocyclopentadiene (HCCPD) 77-47-4 



Hexachlorodibenzo-p-dioxin, 19408-74-3 



mixture (HxCDD) 



Hexachloroethane 67-72-1 



Hexazinone 51235-04-2 



Hydrogen Cyanide 74-90-8 



Hydrogen Sulfide 7783-06-4 









