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SUMMARY: EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for chemical substances that were the subject of premanufacture notices (PMNs). The SNURs require persons who intend to manufacture (defined by statute to include import) or process any of these chemical substances for an activity that is designated as a significant new use by this rule to notify EPA at least 90 days before commencing that activity. The required notification initiates EPA's evaluation of the use, under the conditions of use for that chemical substance, within the applicable review period. Persons may not commence manufacture or processing for the significant new use until EPA has conducted a review of the notice, made an appropriate determination on the notice, and has taken such actions as are required by that determination.

DATES: This rule is effective on May 5, 2023, published in the Federal Register March 6, 2023, page 13696.

View final rule.

§9.1 OMB approvals under the Paperwork Reduction Act.
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Part 721 Subpart E – Significant New Uses for Specific Chemical Substances
§721.11687 Fatty acids, tall-oil polymers with aminoalkyl, dialkyl alkane diamine, polyalkylene polyamine alkanepolyamine fraction, and tris-[(alkylamino) alkyl] phenol (generic).
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§721.11688 Isocyanic acid, polyalkylenepolycycloalkylene ester, 2-alkoxy alkanol and 1-alkoxy alkanol and alkylene diol blocked (generic).
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§721.11689 1,4-Cyclohexanedicarboxylic acid, 1,4-bis(2-ethylhexyl) ester.
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§721.11690 Carbomonocylic-oxazolidine (generic).
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§721.11691 Propoxylated, ethoxylated alkoxyalkyl ether (generic).
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§721.11692 Phosphoric acid, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol and 1,2- ethanediol.
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§721.11693 2-Propenoic acid, 2-(hydrogenated animal-based nitrogen-substituted)ethyl ester (generic).
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§721.11694 2-Propenoic acid, nitrogen-substituted alkyl, N-C16-18-acyl derivs.
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§721.11695 Modified graphene (generic).
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§721.11696 Maltodextrin, polymer with 2-propenoic acid and N,N,N-trimethyl-2-[(2-methyl-1- oxo-2-propen-1-yl)oxy]ethanaminium chloride (1:1), sodium salt, peroxydisulfuric acid ([(HO)S(O)2]2O2) sodium salt (1:2)-initiated.
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§721.11697 Ashes (residues), reactions products with dicarboxylic acid, silicic acid (H4SiO4) tetra-Et ester and 2-[[3-(trialkoxysilyl)alkoxy]methyl]oxirane (generic) (P-20-112).
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§721.11698 Ashes (residues), reactions products with substituted tricarboxylic acid, silicic acid (H4SiO4) tetra-Et ester and 2-[[3-(trialkoxysilyl)alkoxy]methyl]oxirane (generic) (P-20- 113).
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§721.11699 Ashes (residues), reactions products with dicarboxylic acid, silicic acid (H4SiO4) tetra-Et ester and 2-[[3-(trialkoxysilyl)alkoxy]methyl]oxirane (generic) (P-20-114).
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§721.11700 Ashes (residues), reactions products with substituted tricarboxylic acid, silicic acid (H4SiO4) tetra-Et ester and 2-[[3-(trialkoxysilyl)alkoxy]methyl]oxirane (generic) (P-20- 115).
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§721.11701 Ashes (residues), reactions products with dicarboxylic acid, silicic acid (H4SiO4) tetra-Et ester and 2-[[3-(trialkoxysilyl)alkoxy]methyl]oxirane (generic) (P-20-116).
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§721.11702 Ashes (residues), reactions products with dicarboxylic acid, silicic acid (H4SiO4) tetra-Et ester and 2-[[3-(trialkoxysilyl)alkoxy]methyl]oxirane (generic) (P-20-117).
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§721.11703 Silsesquioxanes, alkyl, alkoxy- and hydroxy- terminated (generic).
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§721.11704 1,3-Benzenedicarboxylic acid, polymer with 2,2-dimethyl-1,3-propanediol, 1,2- ethanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, hexanedioic acid, 1,6-hexanediol and 1,3-isobenzofurandione, N-[[1,3,3-trimethyl-5-[[[2-[(1-oxo-2- propen-1- yl)oxy]ethoxy]carbonyl]amino]cyclohexyl]methyl]carbamate N-[3,3,5-trimethyl-5-[[[[2- [(1-oxo-2-propen-1-yl)oxy]ethoxy]carbonyl]amino]methyl]cyclohexyl]carbamate.
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§721.11705 Methyl phenylethyl cyclopropanemethanol (generic).
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§721.11706 [(Substituted-carbomonocyclic)amino] oxoalkenoic acid, inorganic salt (generic).
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§721.11707 Sulfonium, triphenyl-, heterocyclic compound-carboxylate (1:1) (generic).
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§721.11708 Sulfonium, carbocyclic-, salt with 1-(alkyl) 2-[4-[polyhydro-2-carbomonocyclic-5- (polyfluoro-2-sulfoalkyl)-4,7-methano-1,3-benzodioxol-2-yl]carbomonocyclic oxy]acetate (1:1) (generic).
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§721.11709 Sulfonium, triphenyl-, polyfluoro-polyhydrospiro[9H-carbopolycyclic-9,2?- [4,7]methano[1,3]benzodioxole]-5?-alkenesulfonic acid (1:1) (generic).
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§721.11710 Heteropolycyclic, trihaloalkyl carbomonocycle-, hydroxy carbomonocyclic salt (generic).
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§721.11711 Sulfonium, tricarbocyclic-, 2-heteroatom-substituted-4-(alkyl)carbomonocyclic carboxylate (1:1) (generic).
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§721.11712 2-Propenoic acid, 2-methyl-, aminoalkyl ester, polymer with hydroxyalkyl alkenoate and octadecyl alkenoate, acetate (salts) (generic).
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§721.11713 Pyrazole-polycarboxylic acid, polyhaloaryl-polyhydro-alkyl-polyalkyl ester (generic).
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§721.11714 Alkenoic acid, reaction products with alkylamine-alkanediyl diacrylate polymer and [oxybis(alkylene)]bis[alkyl-alkanediol] (generic).
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§721.11715 Nonane, branched.
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