1,1-Dichloroethane
1,1,1,2-Tetrachloroethane
1,1,2,2-Tetrachloroethane
1,2,3-Trichloropropane
2,4/2,6-Dinitrotoluene
4-Nitrophenol
Acrylonitrile
Aldehydes
Aldicarb sulfone
Aldicarb
Aldicarb sulfoxide
Aluminum
Bentazon
Boron
Bromacil
Bromate
Bromodichloromethane
Bromoform
Bromomethane
Chloral hydrate
Chloramine
Chlorate
Chlorine
Chlorine dioxide
Chlorite
Chloroform
Chloropicrin
cis/trans-1,3-Dichloropropene (Telone)
Cyanazine
Cyanogen chloride
Dacthal (DCPA)
Dibromochloromethane
Dicamba
Ethylene thiourea (ETU)
Hexachlorobutadiene
Iodate
Isophorone
Lactofen/Acifluorfen
Manganese
Methomyl
Methyl isobutyl ketone (MIBK)
Methyl tertiary butyl ether (MTBE)
Methyl ethyl ketone (MEK)
Metolachlor
Metribuzin
Molybdenum
Naphthalene
Pentachlorophenol
Prometron
Radon
Trifluralin
Uranium
Vanadium
Zinc
Effective as of:  August 1993
Sources:  Compiled from Status of Contaminants Regulated Under the Safe Drinking Water Act, U.S. Environmental Protection Agency, April 1991 and reprinted from the California Water Plan Update, Volume 1, California Water Commission, State of California, The Resources Agency, Department of Water Resources, November 1993, page 122.