2023年9月16日,加拿大政府发布了一则通知,根据《加拿大环境保护法》的规定,拟对加拿大本国物质清单(DSL)进行修订,将在145种聚合物的物质标识符中添加字母“P”。此修订提案目前正处于意见征询期,将持续120天。
背景
《加拿大本国物质清单》(DSL)记录了在加拿大以商业规模生产或进口的物质清单。未列入DSL清单的物质被视为新化学物质。根据《加拿大环境保护法》,在对其进行人类健康和环境的潜在影响评估之前,新化学物质不得进口至加拿大或在加拿大制造。新化学品和聚合物的通报要求在《新物质通报法规(化学品和聚合体)》中有详细规定。
一般情况下,DSL清单上的化学物质不受通报的约束,但当DSL清单上某一化学物质的物质标识符后面附带监管标志(即字母“S”、“S prime”或“P”)时,在某些情况下,该物质将受到通报的约束。
字母“P”的含义:
字母“P”表示这些聚合物经过评估,符合法规中降低法规要求(RRR)聚合物的标准。符合降低法规要求(RRR)聚合物标准的物质被认为是低关注度的,其监管要求会比不符合降低监管要求(非RRR)的聚合物要少。
修订原因:
目前,不符合RRR聚合物标准的这些聚合物的任何形式都不需要根据法规进行通报。因此,拟议在这些聚合物的物质标识符中添加字母“P”,以明确只有RRR形式的这些聚合物根据其评估包含在DSL清单中,而非RRR形式的并不包括在内。添加字母“P”将允许在其进口或在加拿大制造之前对不符合RRR聚合物标准的这些聚合物的任何形式进行环境和人类健康风险评估。
物质名单:
一、 建议对国内物质清单(DSL)第1部分进行修订,在以下物质标识符中添加字母“P”:
9010-94-0 T 25035-95-4 T 25053-13-8 T 25120-29-0 T 25135-73-3 T 25214-09-9 T 25214-38-4 T 25586-25-8 T 25988-90-3 T 26184-07-6 T 26282-28-0 T 26300-99-2 T 26636-08-8 T 26936-24-3 T 27322-65-2 N 27340-76-7 T 27496-67-9 T 28040-72-4 T 28377-44-8 T 28477-54-5 T 29160-13-2 T 30586-93-7 T 30795-23-4 T 32457-83-3 T 32677-47-7 T 33482-02-9 N 34268-75-2 T 34700-47-5 T 36731-52-9 T 38684-16-1 T 38702-21-5 T |
39921-03-4 N 40374-60-5 T 41941-17-7 T 42768-15-0 N 51259-75-7 T 52002-56-9 T 52660-91-0 N 53808-40-5 T 56602-76-7 T 57216-22-5 T 58831-60-0 T 59372-10-0 T 59809-01-7 T 60368-40-3 T 61809-81-2 T 64112-61-4 T 64653-86-7 T 65405-40-5 T 65421-56-9 T 65622-99-3 T 66028-25-9 T 66070-68-6 T 66071-73-6 T 67700-53-2 T 67892-80-2 T 67923-27-7 T 67923-35-7 T 68038-05-1 T 68070-96-2 T 68083-23-8 T |
68122-66-7 T 68131-29-3 T 68139-45-7 T 68152-88-5 T 68309-70-6 T 68333-62-0 T 68410-53-7 T 68492-71-7 T 68513-41-7 T 68513-45-1 T 68541-57-1 T 68554-98-3 T 68568-49-0 T 68604-15-9 T 68607-61-4 T 68649-21-8 T 68650-88-4 T 68928-70-1 T 68952-49-8 T 70290-02-7 N 70879-77-5 N 71010-58-7 T 71011-30-8 N 71243-64-6 T 71394-03-1 T 79770-94-8 T 79794-64-2 T 82539-93-3 T 88077-74-1 T |
108563-11-7 T 109961-42-4 T 111211-39-3 T 111325-20-3 N 113509-74-3 T 115593-69-6 T 116973-58-1 T 123322-39-4 T 126112-78-5 N 127104-69-2 T 127155-15-1 T 128509-06-8 T 128734-40-7 T 132778-11-1 T 134737-24-9 T 138879-92-2 T 150226-34-9 T 152187-50-3 T 152261-37-5 T 154530-33-3 T 154835-41-3 T 156042-31-8 T 156984-47-3 T 157937-81-0 T 158061-50-8 T 161346-97-0 T 170274-76-7 T 173967-78-7 T |
二、建议对对国内物质清单(DSL)第3部分进行修订,在以下物质标识符中添加字母“P”:
保密物质标识号 |
保密物质的隐名 |
11611-1 T |
Synthetic fatty acids, polymer with 3,5,5-trimethylhexanoic acid, trimethylolpropane, hexahydrophthalic anhydride, butyl methacrylate, hydroxyethyl methacrylate and styrene |
11683-1 T |
2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with butyl 2-propenoate, 2-hydroxyethyl 2-propenoate, methyl 2-methyl-2-propenoate, 2-oxo-heteromonocycle and 2-propenoic acid |
11930-5 T |
Fatty acids, C18-unsatd., dimers, polymer with ethylenediamine, hexamethylenediamine, alkylcarboxylic acid and tall-oil fatty acids |
11957-5 T |
Poly(oxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, alkylphenoxypropyl ether |
12234-3 T |
Ammonium salt of oil, polymer with linseed fatty acids, pentaerythritol, isophthalic acid and maleic anhydride |
12235-4 T |
Branched alkyldiol, polymer with isophthalic acid, 1,4-cyclohexanedicarboxylic acid and adipic acid |
12427-7 T |
C16-18 and C18-unsaturated fatty acids, polymer with trimethylolpropane, trimellitic anhydride, neopentyl glycol, alkyl biscycloalkyldiol and isophthalic acid |
12602-2 T |
Neopentyl glycol, polymer with trimethylolpropane, terephthalic acid, oxiranylmethyl ester of neodecanoic acid, and alkane diol |
12644-8 T |
Ethenylbenzene, polymer with 2-hydroxyethyl-2-propenoate, 2-methyl-2-propenoic acid, alkyl 2-methyl-2-propenoate, methyl 2-methyl-2-propenoate, 2-ethylhexyl 2-propenoate, 12-hydroxy-octadecanoic acid, methyl 2-methyl-2-propenoic acid, oxiranylmethyl 2-methyl-2-propenoate and 1-octanethiol, 2,2′-azobis[2-methyl-propanenitrile]-initiated |
12665-2 T |
Trimethylolpropane, polymer with 2,2-dimethyl-1,3-propanediol, 3-hydroxy-2,2-dimethylpropyl-3-hydroxyl-2,2-dimethylpropanoate, hexanedioic acid, 1,3-carbomonocycledicarboxylic acid, 2-oxepanone and dibutyltin oxide |
12666-3 T |
1,2-Ethanediamine, polymer with alkanedioic acid, 1,6-hexanediol, 2,2-dimethyl-1,3-propanediol, 1,1′-methylenebis[4-isocyanato]cyclohexane and N-butyl-1-butanamine |
12670-7 T |
Ethenylbenzene, polymer with 2-alkylhexyl 2-propenoate, 2-ethylhexyl 2-methyl-2-propenoate, 2-hydroxyethyl 2-methyl-2-propenoate and 2-methyl-2-propenoic acid, 1,1-dimethylethyl octaneperoxoate-initiated |
12672-0 T |
Butyl 2-propenoate, polymer with alkyl 2-methyl-2-propenoate, ethenylbenzene, butyl 2-methyl-2-propenoate, 2-propenoic acid, polymer of [2-hydroxyethyl 2-methyl-2-propenoate, isophorone diisocyanate, hydroxypropyl carbamate, butyl 2-methyl-2-propenoate, methyl 2-methyl-2-propenoate], tert-dodecanethiol and ammonium persulfate-initiated, neutralized with dimethylethanolamine |
12752-8 T |
Glycerol polymer with pentaerythritol, tetrahydrophthalic anhydride and toluene diisocyanate and vegetable oil |
12936-3 T |
Coconut oil, polymer with alkylated formaldehyde-melamine polymer, isophthalic acid, neopentyl glycol, phthalic anhydride and trimethylolethane |
12945-3 T |
2-Propenoic acid, 2-methyl-, alkyl ester, polymer with ethenylbenzene and 2-propenoic acid, t-butyl perbenzoate-initiated, neutralized with 2-dimethylaminoethanol |
12950-8 T |
2-Propenoic acid, 2-methyl-, alkyl ester, polymer with butyl 2-propenoate, ethenylbenzene, 2-hydroxyethyl 2-propenoate and 2-propenoic acid, compound with 2-(dimethylamino)ethanol |
13007-2 T |
Siloxanes and silicones, 3-hydroxypropyl Me, Me alkyl, ethers with polyether |
13024-1 T |
2-Propenoic acid, 2-methyl-, alkyl ester, telomer with tert-dodecanethiol, ethenylbenzene, 2-ethylhexyl 2-propenoate, 2-hydroxyethyl 2-methyl-2-propenoate and 2-propenoic acid |
13046-5 T |
1,3-Carbomonocycledicarboxylic acid, polymer with decanedioic acid, 2,2-dimethyl-1,3-propanediol and 2-ethyl-2-(hydroxyethyl)-1,3-propanediol |
13047-6 T |
1,4-Cyclohexanedimethanol, polymer with 2,2-dimethyl-1,3-propanediol, 2-ethyl-2-(hydroxymethyl)-1,3-propanediol, dimethylcyclohexane dicarboxylate, 1,3-carbomonocycledicarboxylic acid and 1,2-ethanediol |
13048-7 T |
2-Propenoic acid, 2-methyl-, dodecyl ester, polymer with ethenylbenzene, 2-hydroxyethyl-2-propenoate, alkyl 2-methyl-2-propenoate and 2-oxepanone homopolymer 2[(1-oxo-2-propenyl)oxy]ethyl ester |
13056-6 T |
2-Propenoic acid, 2-methyl-, alkyl ester, polymer with ethenylbenzene, oxiranylmethyl 2-methyl-2-propenoate and 1,2-propanediol, mono-2-propenoate, isooctadecanoate |
13079-2 N |
Rubber modified terpolymer of styrene-acrylonitrile |
13099-4 T |
1,4-Cyclohexanedimethanol polymer with neopentyl glycol, fumaric acid and aromatic dicarboxylic acid |
13451-5 N |
2-Propenoic acid, polymer with alkyl 2-propenoate, substituted 2-propenoic acid and 2-propenenitrile, salt |
13483-1 N |
2-Propenamide polymer with 2-propenoic acid and N-substituted 2-propenamide, potassium salt |
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