40 CFR Appendix II to Part 258, List of Hazardous Inorganic and Organic Constituents

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Appendix II to Part 258 - List of Hazardous Inorganic and Organic Constituents
Common name 1 CAS RN 2 Chemical abstracts service index name 3
Acenaphthene 83-32-9 Acenaphthylene, 1,2-dihydro-
Acenaphthylene 208-96-8 Acenaphthylene
Acetone 67-64-1 2-Propanone
Acetonitrile; Methyl cyanide 75-05-8 Acetonitrile
Acetophenone 98-86-2 Ethanone, 1-phenyl-
2-Acetylaminofluorene; 2-AAF 53-96-3 Acetamide, N-9H-fluoren-2-yl-
Acrolein 107-02-8 2-Propenal
Acrylonitrile 107-13-1 2-Propenenitrile
Aldrin 309-00-2 1,4:5,8-Dimethanonaphthalene, 1,2,3,4,10,10-hexachloro-1,4,4a,5,8,8a-hexahydro-(1,4,4a,5,8,8a)-
Allyl chloride 107-05-1 1-Propene, 3-chloro-
4-Aminobiphenyl 92-67-1 [1,1′-Biphenyl]-4-amine
Anthracene 120-12-7 Anthracene
Antimony (Total) Antimony
Arsenic (Total) Arsenic
Barium (Total) Barium
Benzene 71-43-2 Benzene
Benzo[a]anthracene; Benzanthracene 56-55-3 Benz[a]anthracene
Benzo[b]fluoranthene 205-99-2 Benz[e]acephenanthrylene
Benzo[k]fluoranthene 207-08-9 Benzo[k]fluoranthene
Benzo[ghi]perylene 191-24-2 Benzo[ghi]perylene
Benzo[a]pyrene 50-32-8 Benzo[a]pyrene
Benzyl alcohol 100-51-6 Benzenemethanol
Beryllium (Total) Beryllium
alpha-BHC 319-84-6 Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2α,3β,4α,5β,6β)-
beta-BHC 319-85-7 Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2β,3α,4β,5α,6β)-
delta-BHC 319-86-8 Cyclohexane, 1,2,3,4,5,6-hexachloro-,(1α,2α,3α,4β,5α,6β)-
gamma-BHC; Lindane 58-89-9 Cyclohexane, 1,2,3,4,5,6- hexachloro-,(1α,2α, 3β, 4α,5α,6β)-
Bis(2-chloroethoxy)methane 111-91-1 Ethane, 1,1′-[methylenebis (oxy)]bis [2-chloro-
Bis(2-chloroethyl)ether; Dichloroethyl ether 111-44-4 Ethane, 1,1′-oxybis[2-chloro-
Bis(2-chloro-1-methylethyl) ether; 2,2′-Dichlorodiisopropyl ether; DCIP, See footnote 4 108-60-1 Propane, 2,2′-oxybis[1-chloro-
Bis(2-ethylhexyl) phthalate 117-81-7 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl)ester
Bromochloromethane; Chlorobromethane 74-97-5 Methane, bromochloro-
Bromodichloromethane; Dibromochloromethane 75-27-4 Methane, bromodichloro-
Bromoform; Tribromomethane 75-25-2 Methane, tribromo-
4-Bromophenyl phenyl ether 101-55-3 Benzene, 1-bromo-4-phenoxy-
Butyl benzyl phthalate; Benzyl butyl phthalate 85-68-7 1,2-Benzenedicarboxylic acid, butyl phenylmethyl ester
Cadmium (Total) Cadmium
Carbon disulfide 75-15-0 Carbon disulfide
Carbon tetrachloride 56-23-5 Methane, tetrachloro-
Chlordane See footnote 5 4,7-Methano-1H-indene, 1,2,4,5,6,7,8,8-octachloro-2,3,3a,4,7,7a-hexahydro-
p-Chloroaniline 106-47-8 Benzenamine, 4-chloro-
Chlorobenzene 108-90-7 Benzene, chloro-
Chlorobenzilate 510-15-6 Benzeneacetic acid, 4-chloro-
-(4-chlorophenyl)-
-hydroxy-, ethyl ester.
p-Chloro-m-cresol; 4-Chloro-3-methylphenol 59-50-7 Phenol, 4-chloro-3-methyl-
Chloroethane; Ethyl chloride 75-00-3 Ethane, chloro-
Chloroform; Trichloromethane 67-66-3 Methane, trichloro-
2-Chloronaphthalene 91-58-7 Naphthalene, 2-chloro-
2-Chlorophenol 95-57-8 Phenol, 2-chloro-
4-Chlorophenyl phenyl ether 7005-72-3 Benzene, 1-chloro-4-phenoxy-
Chloroprene 126-99-8 1,3-Butadiene, 2-chloro-
Chromium (Total) Chromium
Chrysene 218-01-9 Chrysene
Cobalt (Total) Cobalt
Copper (Total) Copper
m-Cresol; 3-Methylphenol 108-39-4 Phenol, 3-methyl-
o-Cresol; 2-Methylphenol 95-48-7 Phenol, 2-methyl-
p-Cresol; 4-Methylphenol 106-44-5 Phenol, 4-methyl-
Cyanide 57-12-5 Cyanide
2,4-D; 2,4-Dichlorophenoxyacetic acid 94-75-7 Acetic acid, (2,4-dichlorophenoxy)-
4,4′-DDD 72-54-8 Benzene 1,1′-(2,2-dichloroethylidene) bis[4-chloro-
4,4′-DDE 72-55-9 Benzene, 1,1′-(dichloroethenylidene) bis[4-chloro-
4,4′-DDT 50-29-3 Benzene, 1,1′-(2,2,2-trichloroethylidene) bis[4-chloro-
Diallate 2303-16-4 Carbamothioic acid, bis(1-methylethyl)-, S- (2,3-dichloro-2-propenyl) ester.
Dibenz[a,h]anthracene 53-70-3 Dibenz[a,h]anthracene
Dibenzofuran 132-64-9 Dibenzofuran
Dibromochloromethane; Chlorodibromomethane 124-48-1 Methane, dibromochloro-
1,2-Dibromo-3-chloropropane; DBCP 96-12-8 Propane, 1,2-dibromo-3-chloro-
1,2-Dibromoethane; Ethylene dibromide; EDB 106-93-4 Ethane, 1,2-dibromo-
Di-n-butyl phthalate 84-74-2 1,2-Benzenedicarboxylic acid, dibutyl ester
o-Dichlorobenzene; 1,2-Dichlorobenzene 95-50-1 Benzene, 1,2-dichloro-
m-Dichlorobenzene; 1,3-Dichlorobenzene 541-73-1 Benzene, 1,3-dichloro-
p-Dichlorobenzene; 1,4-Dichlorobenzene 106-46-7 Benzene, 1,4-dichloro-
3,3′-Dichlorobenzidine 91-94-1 [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dichloro-
trans-1,4-Dichloro-2-butene 110-57-6 2-Butene, 1,4-dichloro-, (E)-
Dichlorodifluoromethane; CFC 12 75-71-8 Methane, dichlorodifluoro-
1,1-Dichloroethane; Ethyldidene chloride 75-34-3 Ethane, 1,1-dichloro-
1,2-Dichloroethane; Ethylene dichloride 107-06-2 Ethane, 1,2-dichloro-
1,1-Dichloroethylene; 1,1-Dichloroethene; 75-35-4 Ethene, 1,1-dichloro-
Vinylidene chloride cis-1,2-Dichloroethylene; cis-1,2-Dichloroethene 156-59-2 Ethene, 1,2-dichloro-(Z)-
trans-1,2-Dichloroethylene; trans-1,2-Dichloroethene 156-60-5 Ethene, 1,2-dichloro-, (E)-
2,4-Dichlorophenol 120-83-2 Phenol, 2,4-dichloro-
2,6-Dichlorophenol 87-65-0 Phenol, 2,6-dichloro-
1,2-Dichloropropane 78-87-5 Propane, 1,2-dichloro-
1,3-Dichloropropane; Trimethylene dichloride 142-28-9 Propane, 1,3-dichloro-
2,2-Dichloropropane; Isopropylidene chloride 594-20-7 Propane, 2,2-dichloro-
1,1-Dichloropropene 563-58-6 1-Propene, 1,1-dichloro-
cis-1,3-Dichloropropene 10061-01-5 1-Propene, 1,3-dichloro-, (Z)-
trans-1,3-Dichloropropene 10061-02-6 1-Propene, 1,3-dichloro-, (E)-
Dieldrin 60-57-1 2,7:3,6-Dimethanonaphth [2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1aα,2β,2aα,3β,6β,6aα,7β,7aα)-
Diethyl phthalate 84-66-2 1,2-Benzenedicarboxylic acid, diethyl ester
O,O-Diethyl O-2-pyrazinyl phosphorothioate; Thionazin 297-97-2 Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester.
Dimethoate 60-51-5 Phosphorodithioic acid, O,O-dimethyl S-[2-(methylamino)-2-oxoethyl] ester
p-(Dimethylamino)azobenzene 60-11-7 Benzenamine, N,N-dimethyl-4-(phenylazo)-
7,12-Dimethylbenz[a]anthracene 57-97-6 Benz[a]anthracene, 7,12-dimethyl-
3,3′-Dimethylbenzidine 119-93-7 [1,1′-Biphenyl]-4,4′-diamine, 3,3′-dimethyl-
alpha, alpha-Dimethylphenethylamine 122-09-8 Benzeneethanamine, α,α-dimethyl-
2,4-Dimethylphenol; m-Xylenol 105-67-9 Phenol, 2,4-dimethyl-
Dimethyl phthalate 131-11-3 1,2-Benzenedicarboxylic acid, dimethyl ester
m-Dinitrobenzene 99-65-0 Benzene, 1,3-dinitro-
4,6-Dinitro-o-cresol; 4,6-Dinitro-2-methylphenol 534-52-1 Phenol, 2-methyl-4,6-dinitro-
2,4-Dinitrophenol 51-28-5 Phenol, 2,4-dinitro-
2,4-Dinitrotoluene 121-14-2 Benzene, 1-methyl-2,4-dinitro-
2,6-Dinitrotoluene 606-20-2 Benzene, 2-methyl-1,3-dinitro-
Dinoseb; DNBP; 2-sec-Butyl-4,6-dinitrophenol 88-85-7 Phenol, 2-(1-methylpropyl)-4,6-dinitro-
Di-n-octyl phthalate 117-84-0 1,2-Benzenedicarboxylic acid, dioctyl ester
Diphenylamine 122-39-4 Benzenamine, N-phenyl-
Disulfoton 298-04-4 Phosphorodithioic acid, O,O-diethyl S-[2- (ethylthio)ethyl] ester
Endosulfan I 959-98-8 6,9-Methano-2,4,3-benzodiox-athiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3-oxide,
Endosulfan II 33213-65-9 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro- 1,5,5a,6,9,9a-hexahydro-, 3-oxide, (3α,5aα,6β,9β, 9aα)-
Endosulfan sulfate 1031-07-8 6,9-Methano-2,4,3-benzodioxathiepin, 6,7,8,9,10,10-hexachloro-1,5,5a,6,9,9a-hexahydro-, 3,3-dioxide
Endrin 72-20-8 2,7:3,6-Dimethanonaphth[2,3-b]oxirene, 3,4,5,6,9,9-hexachloro-1a,2,2a,3,6,6a,7,7a-octahydro-, (1aα, 2β,2aβ, 3α,6α,6aβ,7β,7aα)-
Endrin aldehyde 7421-93-4 1,2,4-Methenocyclo-penta[cd]pentalene-5-carboxaldehyde,2,2a,3,3,4,7-hexachlorodecahydro- (1α,2β,2aβ,4β,4aβ,5β,6aβ,6bβ,7R*)-
Ethylbenzene 100-41-4 Benzene, ethyl-
Ethyl methacrylate 97-63-2 2-Propenoic acid, 2-methyl-, ethyl ester
Ethyl methanesulfonate 62-50-0 Methanesulfonic acid, ethyl ester
Famphur 52-85-7 Phosphorothioic acid, O-[4-[(dimethylamino)sulfonyl]phenyl]-O,O-dimethyl ester
Fluoranthene 206-44-0 Fluoranthene
Fluorene 86-73-7 9H-Fluorene
Heptachlor 76-44-8 4,7-Methano-1H-indene,1,4,5,6,7,8,8-heptachloro-3a,4,7,7a-tetrahydro-
Heptachlor epoxide 1024-57-3 2,5-Methano-2H-indeno[1,2-b]oxirene,
2,3,4,5,6,7,7-heptachloro-1a,1b,5,5a,6,6a,-hexahydro-,(1aα,1bβ,2α,5α,5aβ,6β,6aα)
Hexachlorobenzene 118-74-1 Benzene, hexachloro-
Hexachlorobutadiene 87-68-3 1,3-Butadiene, 1,1,2,3,4,4-hexachloro-
Hexachlorocyclopentadiene 77-47-4 1,3-Cyclopentadiene, 1,2,3,4,5,5-hexachloro-
Hexachloroethane 67-72-1 Ethane, hexachloro-
Hexachloropropene 1888-71-7 1-Propene, 1,1,2,3,3,3-hexachloro-
2-Hexanone; Methyl butyl ketone 591-78-6 2-Hexanone
Indeno(1,2,3-cd)pyrene 193-39-5 Indeno[1,2,3-cd]pyrene
Isobutyl alcohol 78-83-1 1-Propanol, 2-methyl-
Isodrin 465-73-6 1,4,5,8-Dimethanonaphthalene,1,2,3,4,1 0,10-hexachloro-1,4,4a,5,8,8a hexahydro-(1α, 4α, 4aβ,5β,8β,8aβ)-
Isophorone 78-59-1 2-Cyclohexen-1-one, 3,5,5-trimethyl-
Isosafrole 120-58-1 1,3-Benzodioxole, 5-(1-propenyl)-
Kepone 143-50-0 1,3,4-Metheno-2H-cyclobuta-[cd]pentalen-2-one, 1,1a,3,3a,4,5,5,5a,5b,6-decachlorooctahydro-
Lead (Total) Lead
Mercury (Total) Mercury
Methacrylonitrile 126-98-7 2-Propenenitrile, 2-methyl-
Methapyrilene 91-80-5 1,2,Ethanediamine, N,N-dimethyl-N′-2-pyridinyl-N′-(2-thienylmethyl)-
Methoxychlor 72-43-5 Benzene, 1,1′-(2,2,2,trichloroethylidene)bis [4-methoxy-
Methyl bromide; Bromomethane 74-83-9 Methane, bromo-
Methyl chloride; Chloromethane 74-87-3 Methane, chloro-
3-Methylcholanthrene 56-49-5 Benz[j]aceanthrylene, 1,2-dihydro-3-methyl-
Methyl ethyl ketone; MEK; 2-Butanone 78-93-3 2-Butanone
Methyl iodide; Iodomethane 74-88-4 Methane, iodo-
Methyl methacrylate 80-62-6 2-Propenoic acid, 2-methyl-, methyl ester
Methyl methanesulfonate 66-27-3 Methanesulfonic acid, methyl ester
2-Methylnaphthalene 91-57-6 Naphthalene, 2-methyl-
Methyl parathion; Parathion methyl 298-00-0 Phosphorothioic acid, O,O-dimethyl
4-Methyl-2-pentanone; Methyl isobutyl ketone 108-10-1 2-Pentanone, 4-methyl-
Methylene bromide; Dibromomethane 74-95-3 Methane, dibromo-
Methylene chloride; Dichloromethane 75-09-2 Methane, dichloro-
Naphthalene 91-20-3 Naphthalene
1,4-Naphthoquinone 130-15-4 1,4-Naphthalenedione
1-Naphthylamine 134-32-7 1-Naphthalenamine
2-Naphthylamine 91-59-8 2-Naphthalenamine
Nickel (Total) Nickel
o-Nitroaniline; 2-Nitroaniline 88-74-4 Benzenamine, 2-nitro-
m-Nitroaniline; 3-Nitroaniline 99-09-2 Benzenamine, 3-nitro-
p-Nitroaniline; 4-Nitroaniline 100-01-6 Benzenamine, 4-nitro-
Nitrobenzene 98-95-3 Benzene, nitro-
o-Nitrophenol; 2-Nitrophenol 88-75-5 Phenol, 2-nitro-
p-Nitrophenol; 4-Nitrophenol 100-02-7 Phenol, 4-nitro-
N-Nitrosodi-n-butylamine 924-16-3 1-Butanamine, N-butyl-N-nitroso-
N-Nitrosodiethylamine 55-18-5 Ethanamine, N-ethyl-N-nitroso-
N-Nitrosodimethylamine 62-75-9 Methanamine, N-methyl-N-nitroso-
N-Nitrosodiphenylamine 86-30-6 Benzenamine, N-nitroso-N-phenyl-
N-Nitrosodipropylamine; N-Nitroso-N-dipropylamine; Di-n-propylnitrosamine 621-64-7 1-Propanamine, N-nitroso-N-propyl-
N-Nitrosomethylethalamine 10595-95-6 Ethanamine, N-methyl-N-nitroso-
N-Nitrosopiperidine 100-75-4 Piperidine, 1-nitroso-
N-Nitrosopyrrolidine 930-55-2 Pyrrolidine, 1-nitroso-
5-Nitro-o-toluidine 99-55-8 Benzenamine, 2-methyl-5-nitro-
Parathion 56-38-2 Phosphorothioic acid, O,O-diethyl-O-(4-nitrophenyl) ester
Pentachlorobenzene 608-93-5 Benzene, pentachloro-
Pentachloronitrobenzene 82-68-8 Benzene, pentachloronitro-
Pentachlorophenol 87-86-5 Phenol, pentachloro-
Phenacetin 62-44-2 Acetamide, N-(4-ethoxyphenyl)
Phenanthrene 85-01-8 Phenanthrene
Phenol 108-95-2 Phenol
p-Phenylenediamine 106-50-3 1,4-Benzenediamine
Phorate 298-02-2 Phosphorodithioic acid, O,O-diethyl S- [(ethylthio)methyl] ester
Polychlorinated biphenyls; PCBs See footnote 6 1,1′-Biphenyl, chloro derivatives
Pronamide 23950-58-5 Benzamide, 3,5-dichloro-N-(1,1-dimethyl-2-propynyl)-
Propionitrile; Ethyl cyanide 107-12-0 Propanenitrile
Pyrene 129-00-0 Pyrene
Safrole 94-59-7 1,3-Benzodioxole, 5-(2- propenyl)-
Selenium (Total) Selenium
Silver (Total) Silver
Silvex; 2,4,5-TP 93-72-1 Propanoic acid, 2-(2,4,5- trichlorophenoxy)-
Styrene 100-42-5 Benzene, ethenyl-
Sulfide 18496-25-8 Sulfide
2,4,5-T; 2,4,5-Trichlorophenoxyacetic acid 93-76-5 Acetic acid, (2,4,5- trichlorophenoxy)-
2,3,7,8-TCDD; 2,3,7,8-Tetrachlorodibenzo- p-dioxin 1746-01-6 Dibenzo[b,e][1,4]dioxin, 2,3,7,8-tetrachloro-
1,2,4,5-Tetrachlorobenzene 95-94-3 Benzene, 1,2,4,5-tetrachloro-
1,1,1,2-Tetrachloroethane 630-20-6 Ethane, 1,1,1,2-tetrachloro-
1,1,2,2-Tetrachloroethane 79-34-5 Ethane, 1,1,2,2-tetrachloro-
Tetrachloroethylene; Tetrachloroethene; Perchloroethylene 127-18-4 Ethene, tetrachloro-
2,3,4,6-Tetrachlorophenol 58-90-2 Phenol, 2,3,4,6-tetrachloro-
Thallium (Total) Thallium
Tin (Total) Tin
Toluene 108-88-3 Benzene, methyl-
o-Toluidine 95-53-4 Benzenamine, 2-methyl-
Toxaphene See footnote 7 Toxaphene
1,2,4-Trichlorobenzene 120-82-1 Benzene, 1,2,4-trichloro-
1,1,1-Trichloroethane; Methylchloroform 71-55-6 Ethane, 1,1,1-trichloro-
1,1,2-Trichloroethane 79-00-5 Ethane, 1,1,2-trichloro-
Trichloroethylene; Trichloroethene 79-01-6 Ethene, trichloro-
Trichlorofluoromethane; CFC-11 75-69-4 Methane, trichlorofluoro-
2,4,5-Trichlorophenol 95-95-4 Phenol, 2,4,5-trichloro-
2,4,6-Trichlorophenol 88-06-2 Phenol, 2,4,6-trichloro-
1,2,3-Trichloropropane 96-18-4 Propane, 1,2,3-trichloro-
O,O,O-Triethyl phosphorothioate 126-68-1 Phosphorothioic acid, O,O,O-triethyl ester
sym-Trinitrobenzene 99-35-4 Benzene, 1,3,5-trinitro-
Vanadium (Total) Vanadium
Vinyl acetate 108-05-4 Acetic acid, ethenyl ester
Vinyl chloride; Chloroethene 75-01-4 Ethene, chloro-
Xylene (total) See footnote 8 Benzene, dimethyl-
Zinc (Total) Zinc

1 Common names are those widely used in government regulations, scientific publications, and commerce; synonyms exist for many chemicals.

2 Chemical Abstracts Service registry number. Where “Total” is entered, all species in the ground water that contain this element are included.

3 CAS index names are those used in the 9th Cumulative Index.

4 This substance is often called bis(2-chloroisopropyl) ether, the name Chemical Abstracts Service applies to its noncommercial isomer, propane, 2,2″-oxybis[2-chloro-(CAS RN 39638-32-9).

5 Chlordane: This entry includes alpha-chlordane (CAS RN 5103-71-9), beta-chlordane (CAS RN 5103-74-2), gamma-chlordane (CAS RN 5566-34-7), and constituents of chlordane (CAS RN 57-74-9 and CAS RN 12789-03-6).

6 Polychlorinated biphenyls (CAS RN 1336-36-3); this category contains congener chemicals, including constituents of Aroclor-1016 (CAS RN 12674-11-2), Aroclor-1221 (CAS RN 11104-28-2), Aroclor-1232 (CAS RN 11141-16-5), Aroclor-1242 (CAS RN 53469-21-9), Aroclor-1248 (CAS RN 12672-29-6), Aroclor-1254 (CAS RN 11097-69-1), and Aroclor-1260 (CAS RN 11096-82-5).

7 Toxaphene: This entry includes congener chemicals contained in technical toxaphene (CAS RN 8001-35-2), i.e., chlorinated camphene.

8 Xylene (total): This entry includes o-xylene (CAS RN 96-47-6), m-xylene (CAS RN 108-38-3), p-xylene (CAS RN 106-42-3), and unspecified xylenes (dimethylbenzenes) (CAS RN 1330-20-7).

[70 FR 34556, June 14, 2005; 70 FR 44150, Aug. 1, 2005]

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Title 40 published on 2015-08-22

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  • 2016-11-28; vol. 81 # 228 - Monday, November 28, 2016
    1. 81 FR 85438 - Determination of Full Program Adequacy of Washington's Municipal Solid Waste Landfill Permitting Program
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      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule.
      This direct final rule will become effective February 27, 2017 without further notice, unless EPA receives adverse comments on or before January 27, 2017. If written adverse comments are received, the EPA will publish a timely withdrawal of the rule in the Federal Register .
      40 CFR Parts 239 and 258

Title 40 published on 2015-08-22.

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

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  • 2016-11-28; vol. 81 # 228 - Monday, November 28, 2016
    1. 81 FR 85438 - Determination of Full Program Adequacy of Washington's Municipal Solid Waste Landfill Permitting Program
      GPO FDSys: XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Direct final rule.
      This direct final rule will become effective February 27, 2017 without further notice, unless EPA receives adverse comments on or before January 27, 2017. If written adverse comments are received, the EPA will publish a timely withdrawal of the rule in the Federal Register .
      40 CFR Parts 239 and 258