(a) MCLGs are zero for the following contaminants:
(1) Benzene
(2) Vinyl chloride
(3) Carbon tetrachloride
(4) 1,2-dichloroethane
(5) Trichloroethylene
(6) Acrylamide
(7) Alachlor
(8) Chlordane
(9) Dibromochloropropane
(10) 1,2-Dichloropropane
(11) Epichlorohydrin
(12) Ethylene dibromide
(13) Heptachlor
(14) Heptachlor epoxide
(15) Pentachlorophenol
(16) Polychlorinated biphenyls (PCBs)
(17) Tetrachloroethylene
(18) Toxaphene
(19) Benzo[a]pyrene
(20) Dichloromethane (methylene chloride)
(21) Di(2-ethylhexyl)phthalate
(22) Hexachlorobenzene
(23) 2,3,7,8-TCDD (Dioxin)
(b) MCLGs for the following contaminants are as indicated: ------------------------------------------------------------------------
MCLG in
(1) 1,1-Dichloroethylene..................................... 0.007(2) 1,1,1-Trichloroethane.................................... 0.20(3) para-Dichlorobenzene..................................... 0.075(4) Aldicarb................................................. 0.001(5) Aldicarb sulfoxide....................................... 0.001(6) Aldicarb sulfone......................................... 0.001(7) Atrazine................................................. 0.003(8) Carbofuran............................................... 0.04(9) o-Dichlorobenzene........................................ 0.6(10) cis-1,2-Dichloroethylene................................ 0.07(11) trans-1,2-Dichloroethylene.............................. 0.1(12) 2,4-D................................................... 0.07(13) Ethylbenzene............................................ 0.7(14) Lindane................................................. 0.0002(15) Methoxychlor............................................ 0.04(16) Monochlorobenzene....................................... 0.1(17) Styrene................................................. 0.1(18) Toluene................................................. 1(19) 2,4,5-TP................................................ 0.05(20) Xylenes (total)......................................... 10(21) Dalapon................................................. 0.2(22) Di(2-ethylhexyl)adipate................................. .4(23) Dinoseb................................................. .007(24) Diquat.................................................. .02(25) Endothall............................................... .1
(26) Endrin.................................................. .002(27) Glyphosate.............................................. .7(28) Hexachlorocyclopentadiene............................... .05(29) Oxamyl (Vydate)......................................... .2(30) Picloram................................................ .5(31) Simazine................................................ .004(32) 1,2,4-Trichlorobenzene.................................. .07(33) 1,1,2-Trichloroethane................................... .003------------------------------------------------------------------------ [50 FR 46901, Nov. 13, 1985, as amended at 52 FR 20674, June 2, 1987; 52 FR 25716, July 8, 1987; 56 FR 3592, Jan. 30, 1991; 56 FR 30280, July 1, 1991; 57 FR 31846, July 17, 1992]