40 CFR 141.50 - Maximum contaminant level goals for organic contaminants.

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§ 141.50 Maximum contaminant level goals for organic contaminants.
(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:
Contaminant MCLG in mg/l
(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]

Title 40 published on 2013-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-06-27; vol. 79 # 124 - Friday, June 27, 2014
    1. 79 FR 36429 - Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures
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      ENVIRONMENTAL PROTECTION AGENCY
      40 CFR Part 141

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United States Code

Title 40 published on 2013-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR 141 after this date.

  • 2014-06-27; vol. 79 # 124 - Friday, June 27, 2014
    1. 79 FR 36429 - Expedited Approval of Alternative Test Procedures for the Analysis of Contaminants Under the Safe Drinking Water Act; Analysis and Sampling Procedures
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      40 CFR Part 141