301 CMR 41.03
Toxic or Hazardous Substance List
(1) For calendar year reporting period 2002 and thereafter, the toxic or hazardous substance list
shall consist of the substances identified on the toxic chemical list pursuant to section 313 of
EPCRA as of January 1, 2002 and the substances listed pursuant to sections 101(14) and 102 of
CERCLA as of January 1, 2002, excluding the following substances:
(a) copper, nickel, chromium, cobalt or manganese in a solid or molten metal alloy, but not
including aerosols, where aerosol is defined as airborne particles less than 50 μm in diameter;
(b) chromium III oxide;
(c) hydroquinone, provided however that hydroquinone shall not be delisted for toxics users
who manufacture hydroquinone;
(d) acetic acid at concentrations less than or equal to 12%;
(e) zinc oxide;
(f) radionuclides;
(g) silver-copper mixture when contained in an alloy form, but not including aerosols of the
alloy where aerosol is defined as airborne particles less than 50 μm in diameter;
(h) zero valance silver and copper, but not including aerosols of silver-copper alloy where
aerosol is defined as airborne particles less than 50 μm in diameter; and
(i) zinc stearate.
(2) For calendar year reporting period 2002 and thereafter, the toxic or hazardous substance list
shall include crystalline silica less than ten microns in size and used in the following processes:
abrasive blasting and molding.
(3) For calendar year reporting period 2008, the substances listed pursuant to sections 101(14)
and 102 of CERCLA as of January 1, 2002, shall be retained on the toxic or hazardous substance
list, excluding the substances specified in 301 CMR 41.03(1)(a) through (I).
(4) For calendar year reporting period 2009, the substances listed pursuant to sections 101(14)
and 102 of CERCLA as of January 1, 2008, shall be retained on the toxic or hazardous substance
list, excluding the substances specified in 301 CMR 41.03(1)(a) through (i) and 301 CMR
41.03(6).
(5) For calendar year reporting period 2010 and thereafter, the substances listed pursuant to
§§ 101(14) and 102 of CERCLA as of January 1, 2008, shall be retained on the toxic or
hazardous substance list, excluding:
(a) the substances specified in 301 CMR 41.03(1)(a) through (i);
(b) the substances specified in 301 CMR 41.03(6); and
(c) the following substances:
Adipic acid
Ammonium bicarbonate
Ammonium chloride
Ammonium sulfamate
Amyl acetate
Fumaric acid
Maleic acid
(6) The following substances shall no longer be individually retained on the toxic or hazardous
substance list, except that any substance that belongs to a chemical category listed pursuant to
§ 313 of EPCRA shall remain subject to reporting as part of the § 313 EPCRA category:
Ammonium bichromate
Ammonium chromate
Ammonium thiocyanate
Ammonium vanadate
Antimony pentachloride
Antimony potassium tartrate
Antimony tribromide
Antimony trichloride
Antimony trifluoride
Antimony trioxide
Aroclor 1260
Aroclor 1254
Aroclor 1221
Aroclor 1232
Aroclor 1248
Aroclor 1016
Aroclor 1242
Arsenic acid
Arsenic acid
Arsenic disulfide
Arsenic pentoxide
Arsenic trioxide
Arsenic trisulfide
Arsenous oxide
Arsenous trichloride
Barium cyanide
Benz[a]anthracene
Benzo[b]fluoranthene
Benzo[k]fluoranthene
Benzo[r,s,t]pentaphene
Benzo[a]phenanthrene
Benzo[a]pyrene
Beryllium chloride
Beryllium fluoride
Beryllium nitrate
Beryllium nitrate
Cadmium acetate
Cadmium bromide
Cadmium chloride
Calcium arsenate
Calcium arsenite
Calcium chromate
Calcium cyanide
Carbamodithioic acid, dimethyl-,tetraanhydrosulfid
with orthothioselenious acid (selenium, tetratis
(dimethyldithiocarbamate))
p-Chloro-m-cresol
2-Chlorophenol
4-Chlorophenyl phenyl ether
Chromic acetate
Chromic acid
Chromic acid
Chromic sulfate
Chromous chloride
Chrysene
Cobaltous bromide
Cobaltous formate
Cobaltous sulfamate
Copper cyanide
Copper, bis(dimethylcarbamodithioato-S-S)- (copper
dimethyldithiocarbamate)
Cupric acetate
Cupric acetoarsenite
Cupric chloride
Cupric nitrate
Cupric oxalate
Cupric sulfate
Cupric tartrate
Cupric sulfate, ammoniated
Cyanides (soluble salts and complexes)
Cyanogen
Cyanogen bromide
Cyanogen chloride ((CN)Cl)
Dibenz[a,h]anthracene
Dibenz[a,i]pyrene
2,6-Dichlorophenol
Dichlorophenylarsine
Diethylarsine
7,12-Dimethylbenz[a]anthracene
Ethanedinitrile
Ferric nitrate
Fluoranthene
Lead acetate
Lead arsenate
Lead arsenate
Lead arsenate
Lead chloride
Lead fluoborate
Lead fluoride
Lead iodide
Lead nitrate
Lead phosphate
Lead stearate
Lead stearate
Lead stearate
Lead stearate
Lead subacetate
Lead sulfate
Lead sulfate
Lead sulfide
Lead thiocyanate
Lithium chromate
Manganese, bis(dimethylcarbamodithioato-S,S)-
(manganesedimethyldithiocarbamate)
Mercuric cyanide
Mercuric nitrate
Mercuric sulfate
Mercuric thiocyanate
Mercurous nitrate
Mercurous nitrate
Mercury fulminate
3-Methylcholanthrene
Nickel ammonium sulfate
Nickel carbonyl
Nickel chloride
Nickel chloride
Nickel cyanide
Nickel hydroxide
Nickel nitrate
Nickel sulfate
Nicotine
Nicotine and salts
Paris green
Phenyl dichloroarsine
Phenylmercuric acetate
Phenylmercury acetate
Potassium arsenate
Potassium arsenite
Potassium bichromate
Potassium chromate
Potassium cyanide
Potassium permanganate
Potassium silver cyanide
Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-
Selenious acid
Selenious acid, dithallium(1+) salt
Selenium dioxide
Selenium sulfide
Selenourea
Chemical Name (continued)
Silver cyanide
Silver nitrate
Strychnine, and salts
Sodium arsenate
Sodium arsenite
Sodium bichromate
Sodium chromate
Sodium cyanide (Na(CN))
Sodium selenite
Sodium selenite
Strontium chromate
2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD)
2,3,4,6-Tetrachlorophenol
Tetraethyl lead
Thallic oxide
Thallium chloride TlCl
Thallium sulfate
Thallium(I) acetate
Thallium(I) carbonate
Thallium(I) nitrate
Thallium(I) sulfate
Thallous carbonate
Thallous chloride
Thallous sulfate
Thiourea, (2-chlorophenyl)-
Trichlorophenol
2,3,4-Trichlorophenol
2,3,5-Trichlorophenol
2,3,6-Trichlorophenol
3,4,5-Trichlorophenol
Uranyl nitrate
Uranyl nitrate
Vanadium pentoxide
Vanadyl sulfate
Warfarin (also Warfarin and salts)
Zinc acetate
Zinc ammonium chloride
Zinc ammonium chloride
Zinc ammonium chloride
Zinc, bis(dimetylcarbomodithioato-S,S)-, (ziram)
Zinc, bis(diethylcarbamodithioato-S,S)-(ethyl ziram)
Zinc borate
Zinc bromide
Zinc carbonate
Zinc chloride
Zinc cyanide
Zinc fluoride
Zinc formate
Zinc hydrosulfite
Zinc nitrate
Zinc phenolsulfonate
Zinc phosphide
Zinc phosphide (conc. <= 10%)
Zinc phosphide (conc. > 10%)
Zinc silicofluoride
Zinc sulfate
Zirconium nitrate
(7) For calendar year reporting period 2010 and thereafter, the toxic or hazardous substance list
shall include the following substance:
n-Propyl bromide (1-bromopropane)
(8) For calendar year reporting period 2012 and thereafter, the toxic or hazardous substance list
shall include the following substances, consistent with changes in the toxic chemical list
established pursuant to section 313 of EPCRA:
1-Amino-2,4-dibromoanthraquinone
2,2-bis(Bromomethyl)-1,3 propanediol
Furan
Glycidol
Isoprene
Methyleugenol
o-Nitroanisole
Nitromethane
Phenolphthalein
Tetrafluoroethylene
Tetranitromethane
Vinyl Fluoride
Polycyclic Aromatic Compounds (PACs) category:
1,6-Dinitropyrene
1,8-Dinitropyrene
6-Nitrochrysene
4-Nitropyrene
(9) For calendar year reporting period 2017 and thereafter, the toxic or hazardous substance list
shall include the following substance category, consistent with changes in the toxic chemical list
established pursuant to section 313 of EPCRA:
The nonylphenols category consists of these substances:
4-Nonylphenol
Isononylphenol
Nonylphenol
4-Isononylphenol
4-Nonylphenol, branched
Nonylphenol, branched
(10) For calendar year reporting period 2018 and thereafter, the toxic or hazardous substance
list shall include the following substance category, consistent with changes in the toxic chemical
list established pursuant to section 313 of EPCRA:
The hexabromocyclododecane (HBCD) category consists of these substances:
Hexabromocyclododecane
1,2,5,6,9,10 hexabromocyclododecane
(11) For calendar year reporting period 2019 and thereafter, the toxic or hazardous
substance list shall include the following substance category:
The C1-C4 halogenated hydrocarbons/halocarbons not otherwise listed (C1-C4 NOL)
category consists of these substances:
C1-C4 NOL includes any chemical substance that has four or fewer carbons, at least one
halogen, and only hydrogen as the other constituent, that are not already individually listed.
This includes fully halogenated chemicals that contain no hydrogen.
(12) For calendar year reporting period 2020 and thereafter, the toxic or hazardous
substance list shall include the following substance category, consistent with changes in the
toxic chemical list established pursuant to EPCRA § 313:
The nonylphenol ethoxylates (NPE) category consists of these substances:
Ethanol, 2-[2-[2-[2-(4-nonylphenoxy)ethoxy]ethoxy]ethoxy]-
Poly(oxy-1,2-ethanediyl), α-(nonylphenyl)-ω-hydroxy-
Ethanol, 2-[2-(4-nonylphenoxy)ethoxy]-
Poly(oxy-1,2-ethanediyl), α-(4-nonylphenyl)-ω-hydroxy-
3,6,9,12,15,18,21,24-Octaoxahexacosan-1-ol, 26-(nonylphenoxy)-
Ethanol, 2-[2-(nonylphenoxy)ethoxy]-
3,6,9,12,15,18,21-Heptaoxatricosan-l-ol, 23-(nonylphenoxy)-
3,6,9,12,15,18,21,24,27-Nonaoxanonacosan-1-ol, 29-(nonylphenoxy)-
Ethanol, 2-(nonylphenoxy)-
Poly(oxy-1,2-ethanediyl), α-(isononylphenyl)-ω-hydroxy-
Poly(oxy-1,2-ethanediyl), α-(2-isononylphenyl)-ω-hydroxy-
Poly(oxy-1,2-ethanediyl), α-(nonylphenyl)-ω-hydroxy-, branched
Poly(oxy-1,2-ethanediyl), α-(4-nonylphenyl)-ω-hydroxy-, branched
(13) For calendar year reporting period 2021 and thereafter, the toxic or hazardous substance
list shall include the following substances, consistent with changes in the toxic chemical list
established pursuant to EPCRA § 313:
Perfluorooctylsulfonyl fluoride
Perfluorododecanoic acid
Octanoyl fluoride, pentadecafluoro-
Perfluorooctanoic acid
1-Heptanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-
pentadecafluoro-
Perfluorodecanoic acid
Sodium perfluorooctanoate
Perfluorohexanesulfonic acid
Perfluorononanoic acid
Perfluorotetradecanoic acid
2-[Ethyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl methacrylate
Methyl perfluorooctanoate
2-[Butyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl acrylate
2-[Ethyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl acrylate
1-Decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro-
1-Dodecanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-
heneicosafluoro-
3-[[(Heptadecafluorooctyl)sulfonyl]amino]-N,N,N-trimethyl-1-
propanaminium iodide
N-Ethyl-N-(2-hydroxyethyl)perfluorooctanesulfonamide
Perfluorooctane sulfonic acid
2-Propenoic acid, 2-methyl-, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluorodecyl ester
Decane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-heptadecafluoro-10-iodo-
Dodecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10-heneicosafluoro-
12-iodo-
2-Propenoic acid, 2-methyl-,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-
heneicosafluorododecyl ester
1-Octanesulfonamide, N-butyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-N-(2-hydroxyethyl)-
Potassium perfluorooctanesulfonate
Glycine, N-ethyl-N-[(heptadecafluorooctyl)sulfonyl]-, potassium salt
Cyclohexanesulfonic acid, undecafluoro-, potassium salt
Ammonium perfluorooctanoate
1-Hexanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-,
potassium salt
1-Pentanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,5-undecafluoro-, potassium
salt
Sulfluramid
2-Propenoic acid, 2-methyl-,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
16-nonacosafluorohexadecyl ester
2-Propenoic acid, 2-methyl-,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-
pentacosafluorotetradecyl ester
Hexafluoropropylene oxide dimer acid
Octadecanoic acid, pentatriacontafluoro-
1-Nonanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-
nonadecafluoro-, ammonium salt
1,1,2,2-Tetrahydroperfluorododecyl acrylate
Perfluorooctyl Ethylene
1-Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-N-(2-hydroxyethyl)-N-methyl-
2-[[(Heptadecafluorooctyl)sulfonyl]methylamino]ethyl acrylate
1-Decanesulfonyl chloride, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluoro-
1-Dodecanesulfonyl chloride,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heneicosafluoro-
1,1,2,2-Tetrahydroperfluorodecyl acrylate
1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-, ammonium salt
Poly(oxy-1,2-ethanediyl), α-[2-
[ethyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl]-ω-hydroxy-
Lithium (perfluorooctane)sulfonate
Tetradecane, 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12-
pentacosafluoro-14-iodo-
1-Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-N-methyl-
1,1,2,2-Tetrahydroperfluorohexadecyl acrylate
1,1,2,2-Tetrahydroperfluorotetradecyl acrylate
Poly[oxy(methyl-1,2-ethanediyl)], α-[2-
[ethyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl]-ω-hydroxy-
1-Propanaminium, 3-[[(heptadecafluorooctyl)sulfonyl]amino]-N,N,N-
trimethyl-, chloride
1-Tetradecanol,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-
pentacosafluoro-
1-Propanaminium, N,N,N-trimethyl-3-
[[(tridecafluorohexyl)sulfonyl]amino]-, chloride
Glycine, N-[(heptadecafluorooctyl)sulfonyl]-N-propyl-, potassium salt
Poly(oxy-1,2-ethanediyl), α-[2-
[ethyl[(tridecafluorohexyl)sulfonyl]amino]ethyl]-ω-hydroxy-
Ethanaminium, N,N,N-triethyl-, salt with
1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-1-octanesulfonic acid
(1:1)
2-Propenoic acid, 2-
[ethyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl ester
1-Heptanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-,
potassium salt
1-Hexadecanol,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
16-nonacosafluoro-
1-Octanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-N-[3-(trimethoxysilyl)propyl]-
Pyridinium, 1-(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluorodecyl)-, salt with 4-methylbenzenesulfonic acid (1:1)
Hexafluoropropylene oxide dimer acid ammonium salt
1-Eicosanol,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
17,17,18,18,19,19,20,20,20-heptatriacontafluoro-
1-Octadecanol,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,
17,17,18,18,18-tritriacontafluoro-
Hexadecane,
1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14-
nonacosafluoro-16-iodo-
Poly(difluoromethylene), α-fluoro-ω-(2-hydroxyethyl)-, 2-hydroxy-
1,2,3-propanetricarboxylate (3:1)
Poly(difluoromethylene), α-fluoro-ω-[2-(phosphonooxy)ethyl]-
Poly(difluoromethylene), α,α'-[phosphinicobis(oxy-2,1-
ethanediyl)]bis[ω-fluoro-
Ethanol, 2,2'-iminobis-, compd. with α-fluoro-ω-[2-
(phosphonooxy)ethyl]poly(difluoromethylene) (2:1)
Ethanol, 2,2'-iminobis-, compd. with α,α'-[phosphinicobis(oxy-2,1-
ethanediyl)]bis[ω-fluoropoly(difluoromethylene)] (1:1)
Poly(difluoromethylene), α-fluoro-ω-[2-[(1-oxooctadecyl)oxy]ethyl]-
Poly(difluoromethylene), α-fluoro-ω-[2-[(2-methyl-1-oxo-2-
propenyl)oxy]ethyl]-
Poly(difluoromethylene), α-[2-[(2-carboxyethyl)thio]ethyl]-ω-fluoro-,
lithium salt
Poly(difluoromethylene), α,α'-[phosphinicobis(oxy-2,1-
ethanediyl)]bis[ω-fluoro-, ammonium salt
Poly(difluoromethylene), α-fluoro-ω-[2-(phosphonooxy)ethyl]-,
monoammonium salt
Poly(difluoromethylene), α-fluoro-ω-[2-(phosphonooxy)ethyl]-,
diammonium salt
Ethanol, 2,2'-iminobis-, compd. with α-fluoro-ω-[2-
(phosphonooxy)ethyl]poly(difluoromethylene) (1:1)
Poly(difluoromethylene), α-[2-[(2-carboxyethyl)thio]ethyl]-ω-fluoro-
Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, ether with α-fluoro-ω-
(2-hydroxyethyl)poly(difluoromethylene) (1:1)
Poly(difluoromethylene), α-fluoro-ω-(2-hydroxyethyl)-, dihydrogen 2-
hydroxy-1,2,3-propanetricarboxylate
Poly(difluoromethylene), α-fluoro-ω-(2-hydroxyethyl)-, hydrogen 2-
hydroxy-1,2,3-propanetricarboxylate
2-Propenoic acid, esters, 2-methyl-, dodecyl ester, polymer with α-
fluoro-ω-[2-[(2-methyl-1-oxo-2-propen-1-
yl)oxy]ethyl]poly(difluoromethylene)
2-Propenoic acid, 2-methyl-, dodecyl ester, polymer with α-fluoro-ω-
[2-[(2-methyl-1-oxo-2-propen-1-yl)oxy]ethyl]poly(difluoromethylene)
and N-(hydroxymethyl)-2-propenamide
Poly(difluoromethylene), α-fluoro-ω-[2-[(1-oxo-2-
propenyl)oxy]ethyl]-, homopolymer
Ethanaminium, N,N-diethyl-N-methyl-2-[(2-methyl-1-oxo-2-
propenyl)oxy]-, methyl sulfate, polymer with 2-ethylhexyl 2-methyl-2-
propenoate, α-fluoro-ω-[2-[(2-methyl-1-oxo-2-
propenyl)oxy]ethyl]poly(difluoromethylene), 2-hydroxyethyl 2-
methyl-2-propenoate and N-(hydroxymethyl)-2-propenamide
Cyclohexanesulfonic acid, decafluoro(pentafluoroethyl)-, potassium
salt
Glycine, N-ethyl-N-[(undecafluoropentyl)sulfonyl]-, potassium salt
Glycine, N-ethyl-N-[(tridecafluorohexyl)sulfonyl]-, potassium salt
2-Propenoic acid, 2-
[methyl[(undecafluoropentyl)sulfonyl]amino]ethyl ester
2-Propenoic acid, 2-[methyl[(tridecafluorohexyl)sulfonyl]amino]ethyl
ester
1-Propanaminium, N,N,N-trimethyl-3-
[[(pentadecafluoroheptyl)sulfonyl]amino]-, iodide
Glycine, N-ethyl-N-[(pentadecafluoroheptyl)sulfonyl]-, potassium salt
Perfluoropalmitic acid
1-Decanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heneicosafluoro-, ammonium salt
1-Octanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-N-[2-(phosphonooxy)ethyl]-, diammonium salt
2-Propenoic acid, 2-
[methyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl ester
Thiols, C4-10, γ-ω-perfluoro
Thiols, C6-12, γ-ω-perfluoro
Thiols, C10-20, γ-ω-perfluoro
Chromium(III) perfluorooctanoate
Cyclohexanesulfonic acid, nonafluorobis(trifluoromethyl)-, potassium
salt
Cyclohexanesulfonic acid, decafluoro(trifluoromethyl)-, potassium
salt
Butanoic acid, 4-[[3-(dimethylamino)propyl]amino]-4-oxo-, 2(or 3)-
[(γ-ω-perfluoro-C6-20-alkyl)thio] derivs.
1-Propanesulfonic acid, 2-methyl-, 2-[[1-oxo-3-[(γ-ω-perfluoro-C4-
16-alkyl)thio]propyl]amino] derivs., sodium salts
Alkyl iodides, C4-20, γ-ω-perfluoro
2-Propenoic acid, butyl ester, telomer with 2-
[[(heptadecafluorooctyl)sulfonyl]methylamino]ethyl 2-propenoate, 2-
[methyl[(nonafluorobutyl)sulfonyl]amino]ethyl 2-propenoate, α-(2-
methyl-1-oxo-2-propenyl)-ω-hydroxypoly(oxy-1,4- butanediyl), α-(2-
methyl-1-oxo-2-propenyl)-ω-[(2-methyl-1-oxo-2-
propenyl)oxy]poly(oxy-1,4-butanediyl), 2-
[methyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl 2-propenoate, 2-
[methyl[(tridecafluorohexyl)sulfonyl]amino]ethyl 2- propenoate, 2-
[methyl[(undecafluoropentyl)sulfonyl]amino]ethyl 2-propenoate and
1-octanethiol
2-Propenoic acid, 2-methyl-, 2-ethylhexyl ester, polymer with α-
fluoro-ω-[2-[(2-methyl-1-oxo-2-propen-1-
yl)oxy]ethyl]poly(difluoromethylene), 2-hydroxyethyl 2-methyl-2-
propenoate and N-(hydroxymethyl)-2-propenamide
1-Heptanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-,
ammonium salt
1-Hexanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-,
ammonium salt
1-Pentanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,5-undecafluoro-,
ammonium salt
Poly[oxy(methyl-1,2-ethanediyl)], α-[2-
[ethyl[(tridecafluorohexyl)sulfonyl]amino]ethyl]-ω-hydroxy-
Poly[oxy(methyl-1,2-ethanediyl)], α-[2-
[ethyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl]-ω-hydroxy-
2-Propenoic acid, 2-
[butyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl ester, telomer with
2-[butyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl 2-propenoate,
methyloxirane polymer with oxirane di-2-propenoate, methyloxirane
polymer with oxirane mono-2-propenoate and 1-octanethiol
Poly(oxy-1,2-ethanediyl), α-[2-
[ethyl[(undecafluoropentyl)sulfonyl]amino]ethyl]-ω-hydroxy-
Poly(oxy-1,2-ethanediyl), α-[2-
[ethyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl]-ω-hydroxy-
Poly[oxy(methyl-1,2-ethanediyl)], α-[2-
[ethyl[(undecafluoropentyl)sulfonyl]amino]ethyl]-ω-hydroxy-
Alcohols, C8-14, γ-ω-perfluoro
Phosphonic acid, perfluoro-C6-12-alkyl derivs.
Phosphinic acid, bis(perfluoro-C6-12-alkyl) derivs.
1,4-Benzenedicarboxylic acid, dimethyl ester, reaction products with
bis(2-hydroxyethyl)terephthalate, ethylene glycol, α-fluoro-ω-(2-
hydroxyethyl)poly(difluoromethylene),
hexakis(methoxymethyl)melamine and polyethylene glycol
1-Pentanesulfonamide, 1,1,2,2,3,3,4,4,5,5,5-undecafluoro-N-(2-
hydroxyethyl)-N-methyl-
1-Hexanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-N-(2-
hydroxyethyl)-N-methyl-
1-Heptanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-
N-(2-hydroxyethyl)-N-methyl-
1-Propanaminium, N,N,N-trimethyl-3-
[[(pentadecafluoroheptyl)sulfonyl]amino]-, chloride
2-Propenoic acid, 2-methyl-, 2-
[ethyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl ester, polymer with
2- [ethyl[(nonafluorobutyl)sulfonyl]amino]ethyl 2-methyl-2-
propenoate, 2-[ethyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl 2-
methyl-2-propenoate, 2-
[ethyl[(tridecafluorohexyl)sulfonyl]amino]ethyl 2-methyl-2-
propenoate, 2-[ethyl[(undecafluoropentyl)sulfonyl]amino]ethyl 2-
methyl-2-propenoate and octadecyl 2-methyl-2-propenoate
1-Tetradecanesulfonyl chloride,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-
pentacosafluoro-
2-Propenoic acid, 2-
[[(heptadecafluorooctyl)sulfonyl]methylamino]ethyl ester, polymer
with 2- [methyl[(nonafluorobutyl)sulfonyl]amino]ethyl 2-propenoate,
2-[methyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl 2- propenoate,
2-[methyl[(tridecafluorohexyl)sulfonyl]amino]ethyl 2-propenoate, 2-
[methyl[(undecafluoropentyl)sulfonyl]amino]ethyl 2-propenoate and
α-(1-oxo-2-propenyl)-ω-methoxypoly(oxy-1,2-ethanediyl)
1-Propanaminium, N,N,N-trimethyl-3-
[[(undecafluoropentyl)sulfonyl]amino]-, chloride
1-Propanaminium, N,N,N-trimethyl-3-
[[(undecafluoropentyl)sulfonyl]amino]-, iodide
1-Propanaminium, N,N,N-trimethyl-3-
[[(tridecafluorohexyl)sulfonyl]amino]-, iodide
1-Heptanesulfonamide, N-ethyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-
pentadecafluoro-
Poly(oxy-1,2-ethanediyl), α-[2-
[ethyl[(pentadecafluoroheptyl)sulfonyl]amino]ethyl]-ω-methoxy-
Poly(oxy-1,2-ethanediyl), α-[2-
[ethyl[(heptadecafluorooctyl)sulfonyl]amino]ethyl]-ω-methoxy-
1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-
heptadecafluoro-, compd. with 2,2'-iminobis[ethanol] (1:1)
1-Heptanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-,
compd. with 2,2'-iminobis[ethanol] (1:1)
1-Hexanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,6-tridecafluoro-,
compd. with 2,2'-iminobis[ethanol] (1:1)
1-Pentanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,5-undecafluoro-, compd.
with 2,2'-iminobis[ethanol] (1:1)
Thiols, C8-20, γ-ω-perfluoro, telomers with acrylamide
Poly(oxy-1,2-ethanediyl), α-methyl-ω-hydroxy-, 2-hydroxy-3-[(γ-ω-
perfluoro-C6-20-alkyl)thio]propyl ethers
1-Propanaminium, 2-hydroxy-N,N,N-trimethyl-, 3-[(γ-ω-perfluoro-
C6-20-alkyl)thio] derivs., chlorides
Pentanoic acid, 4,4-bis[(γ-ω-perfluoro-C8-20-alkyl)thio] derivs.
Fatty acids, C6-18, perfluoro, ammonium salts
Fatty acids, C7-13, perfluoro, ammonium salts
Phosphoric acid, γ-ω-perfluoro-C8-16-alkyl esters, compds. with
diethanolamine
Silane, trichloro(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluorodecyl)-
Poly(difluoromethylene), α-fluoro-ω-[2-sulphoethyl)-
Silane, (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluorodecyl)trimethoxy-
Poly(difluoromethylene), α-fluoro-ω-[2-(phosphonooxy)ethyl]-,
ammonium salt
Thiocyanic acid, γ-ω-perfluoro-C4-20-alkyl esters
Alkenes, C8-14 α-, δ-ω-perfluoro
Disulfides, bis(γ-ω-perfluoro-C6-20-alkyl)
Poly(difluoromethylene), α-[2-(acetyloxy)-3-
[(carboxymethyl)dimethylammonio]propyl]-ω-fluoro-, inner salt
Silicic acid (H4SiO4), disodium salt, reaction products with
chlorotrimethylsilane and 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluoro-1-decanol
Hexane, 1,6-diisocyanato-, homopolymer, γ-ω-perfluoro-C6-20-alc.-
blocked
2-Propenoic acid, 2-methyl-, octadecyl ester, polymer with
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heneicosafluorododecyl 2-
propenoate, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl 2-
propenoate and
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-
pentacosafluorotetradecyl 2-propenoate
Siloxanes and Silicones, (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-
heptadecafluorodecyl)oxy Me, hydroxy Me, Me octyl, ethers with
polyethylene glycol mono-Me ether
1,3-Propanediol, 2,2-bis[[(γ-ω-perfluoro-C4-10-alkyl)thio]methyl] derivs.,
phosphates, ammonium salts
1,3-Propanediol, 2,2-bis[[(γ-ω-perfluoro-C6-12-alkyl)thio]methyl] derivs.,
phosphates, ammonium salts
1,3-Propanediol, 2,2-bis[[(γ-ω-perfluoro-C10-20-alkyl)thio]methyl] derivs.,
phosphates, ammonium salts
2-Propenoic acid, 2-methyl-, 2-(dimethylamino)ethyl ester, polymers with
Bu acrylate, γ-ω-perfluoro-C8-14-alkyl acrylate and polyethylene glycol
monomethacrylate, 2,2'-azobis[2,4-dimethylpentanenitrile]-initiated
1-Octanesulfonamide, N-[3-(dimethyloxidoamino)propyl]-
1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt
Fatty acids, linseed-oil, γ-ω-perfluoro-C8-14-alkyl esters
Sulfonic acids, C6-12-alkane, γ-ω-perfluoro, ammonium salts
Ethaneperoxoic acid, reaction products with
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl thiocyanate and
3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl thiocyanate
2-Propenoic acid, 2-methyl-, 2-(dimethylamino)ethyl ester, polymers with
γ-ω-perfluoro-C10-16-alkyl acrylate and vinyl acetate, acetates
2-Propenoic acid, 2-methyl-, polymer with butyl 2-methyl-2-
propenoate, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10- heptadecafluorodecyl
2-propenoate, 2-hydroxyethyl 2-methyl-2-propenoate and methyl 2-
methyl-2-propenoate
Propanedioic acid, mono(γ-ω-perfluoro-C8-12-alkyl) derivs., di-me
esters
Propanedioic acid, mono(γ-ω-perfluoro-C8-12-alkyl) derivs., bis[4-
(ethenyloxy)butyl] esters
1,3-Propanediol, 2,2-bis[[(γ-ω-perfluoro-C6-12-alkyl)thio]methyl]
derivs., polymers with 2,2-bis[[(γ-ω-perfluoro-C10-20-
alkyl)thio]methyl]-1,3-propanediol, 1,6-diisocyanato-2,2,4(or 2,4,4)-
trimethylhexane, 2-heptyl-3,4-bis(9-isocyanatononyl)-1-
pentylcyclohexane and 2,2'-(methylimino)bis[ethanol]
Thiols, C4-20, γ-ω-perfluoro, telomers with acrylamide and acrylic
acid, sodium salts
1-Propanaminium, 3-amino-N-(carboxymethyl)-N,N-dimethyl-, N-[2-
[(γ-ω-perfluoro-C4-20-alkyl)thio]acetyl] derivs., inner salts
(14) For calendar year reporting period 2022 and thereafter, the toxic or hazardous substance
list shall include the following substance category:
The certain per- and polyfluoroalkyl substances not otherwise listed (Certain PFAS NOL)
category consists of these substances:
Certain PFAS NOL includes those PFAS that contain a perfluoroalkyl moiety with three or
more carbons (e.g., –CnF2n–, n ≥ 3; or CF3–CnF2n– , n ≥2) or a perfluoroalkylether moiety with
two or more carbons (e.g., –CnF2nOCmF2m- or –CnF2nOCmFm–, n and m ≥1), wherein for the
example structures shown, the dash (–) is not a bond to a hydrogen and may represent a straight
or branched structure, that are not otherwise listed.
(15) For calendar year reporting period 2023 and thereafter, the toxic or hazardous substance
list shall include the following substances, consistent with changes in the toxic chemical list
established pursuant to EPCRA § 313:
Potassium perfluorooctanoate
Silver(I) perfluorooctanoate
Perfluorooctyl iodide
2-Propenoic acid, 2-methyl-,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,12-heneicosafluorododec
yl ester, polymer with
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecyl
2-methyl-2-propenoate, methyl 2-methyl-2-propenoate,
3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-pentacos
afluorotetradecyl 2-methyl-2-propenoate and
3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl 2-methyl-2-propenoate
2-Propenoic acid, 2-methyl-, hexadecyl ester, polymers with
2-hydroxyethyl methacrylate, ã-ù-perfluoro-C10-16-alkyl acrylate and
stearyl methacrylate
Potassium perfluorobutane sulfonate
Perfluorobutane sulfonic acid
Perfluorobutanesulfonate
(16) For calendar year reporting period 2024 and thereafter, the toxic or hazardous substance
list shall include the following substances, consistent with changes in the toxic chemical list
established pursuant to EPCRA § 313:
Perfluorobutanoic acid
Sodium perfluorobutanoate
Potassium heptafluorobutanoate
Ammonium perfluorobutanoate
Perfluorobutanoate
Alcohols,
C8-16,
γ-ω-perfluoro,
reaction
products with
1,6-diisocyanatohexane, glycidol and stearyl alc.
Acetamide, N-[3-(dimethylamino)propyl]-, 2-[(γ-ω-perfluoro-
C4-20-alkyl)thio] derivs.
Acetamide, N-(2-aminoethyl)-, 2-[(γ-ω-perfluoro-C4-20-alkyl)thio] derivs.,
polymers with N1,N1-dimethyl-1,3-propanediamine, epichlorohydrin and
ethylenediamine, oxidized
Acetic acid, 2-[(γ-ω-perfluoro-C4-20-alkyl)thio] derivs., 2-hydroxypropyl
esters
Dibutyltin dichloride
1,3-Dichloro-2-propanol
Formamide
1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzop
yran
n-Hydroxyethylethylenediamine
Nitrilotriacetic acid trisodium salt
p-(1,1,3,3-Tetramethylbutyl)phenol
1,2,3-Trichlorobenzene
Triglycidyl isocyanurate
Tris(2-chloroethyl) phosphate
Tris(1,3-dichloro-2-propyl) phosphate
Tris(dimethylphenol) phosphate
Further, for calendar year reporting period 2024 and thereafter, the toxic or hazardous
substance list shall include the following substance category, consistent with changes in the toxic
chemical list established pursuant to EPCRA § 313:
The diisononyl phthalate (DINP) category includes all branched alkyl diesters of 1,2
benzenedicarboxylic acid in which alkyl ester moieties contain a total of nine carbons.
(17) For calendar year reporting period 2025 and thereafter, the toxic or hazardous substance
list shall include the following substances, consistent with changes in the toxic chemical list
established pursuant to EPCRA § 313:
Perfluorohexanoic acid
Perfluoropropanoic acid
Sodium perfluorohexanoate
Ammonium perfluorohexanoate
1,1,1-Trifluoro-N-[(trifluoromethyl)sulfonyl] methanesulfonamide
Lithium bis[(trifluoromethyl)sulfonyl] azanide
2816091-53-7 Betaines, dimethyl (.gamma.-.omega.-perfluoro-.gamma.-
hydro-C8-18-alkyl)
(18) For calendar year reporting period 2026 and thereafter, the toxic or hazardous substance
list shall include the following substances, consistent with changes in the toxic chemical list
established pursuant to EPCRA § 313:
Perfluoro-3-methoxypropanoic acid
Ammonium perfluorodecanoate (PFDA NH4)
Sodium perfluorodecanoate (PFDA-Na)
6:2 Fluorotelomer sulfonate acid
6:2 Fluorotelomer sulfonate anion
6:2 Fluorotelomer sulfonate potassium salt
6:2 Fluorotelomer sulfonate ammonium salt
6:2 Fluorotelomer sulfonate sodium salt
Acetic acid, [(γ-ω-perfluoro-C8-10-alkyl)thio] derivs., Bu esters