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Prohibition of Certain Toxic Substances Regulations, 2012 (SOR/2012-285)

Regulations are current to 2024-10-14 and last amended on 2021-03-18. Previous Versions

SCHEDULE 2(Sections 1 to 3, 6, 7, 9 and 12 and Schedule 3)Permitted Uses, Concentration Limits and Reporting Thresholds

PART 1(Sections 1 and 2, subsection 6(1), paragraph 6(2)(a) and subsection 9(2))Permitted Uses — All Activities

ItemColumn 1Column 2
Toxic SubstancePermitted Uses
1Benzidine and benzidine dihydrochloride, which have the molecular formulae C12H12N2 and C12H12N2·2HCl, respectively

  • (a) Staining for microscopic examination, such as immunoperoxidase staining, histochemical staining or cytochemical staining;

  • (b) Reagent for detecting blood in biological fluids;

  • (c) Niacin test to detect certain micro-organisms; and

  • (d) Reagent for detecting chloralhydrate in biological fluids.

22-Methoxyethanol, which has the molecular formula C3H8O2

  • (a) Adhesives and coatings for aircraft refinishing; and

  • (b) Semiconductor manufacturing process.

3[Repealed, SOR/2017-247, s. 2]
4Perfluorooctane sulfonate and its salts and compounds that contain one of the following groups: C8F17SO2, C8F17SO3 or C8F17SO2N

  • (a) Photoresists or anti-reflective coatings for photolithography processes; and

  • (b) Photographic films, papers and printing plates.

PART 1.1(Sections 1 and 2 and subsections 6(1), (2.1) and (2.2) and 9(2))Permitted Uses — Certain Activities

ItemColumn 1Column 2
Toxic SubstancePermitted Uses
1Perfluorooctane sulfonate and its salts and compounds that contain one of the following groups: C8F17SO2, C8F17SO3 or C8F17SO2NIn aqueous film forming foam present in a military vessel or military fire-fighting vehicle contaminated during a foreign military operationFootnote for 1
2Perfluorooctanoic acid, which has the molecular formula C7F15CO2H, and its saltsIn aqueous film forming foam used in fire-fighting
3Compounds that consist of a perfluorinated alkyl group that has the molecular formula CnF2n+1 in which n = 7 or 8 and that is directly bonded to any chemical moiety other than a fluorine, chlorine or bromine atomIn aqueous film forming foam used in fire-fighting
4Perfluorocarboxylic acids that have the molecular formula CnF2n+1CO2H in which 8 ≤ n ≤ 20, and their saltsIn aqueous film forming foam used in fire-fighting
5Compounds that consist of a perfluorinated alkyl group that has the molecular formula CnF2n+1 in which 8 ≤ n ≤ 20 and that is directly bonded to any chemical moiety other than a fluorine, chlorine or bromine atomIn aqueous film forming foam used in fire-fighting

  • Return to footnote 1Military operation means any operation taken to protect national security, support humanitarian relief efforts, participate in multilateral military or peace-keeping activities under the auspices of international organizations or defend a member state of the North Atlantic Treaty Organization.

PART 1.2(Sections 1 and 2 and subsections 6(1) and (2.3))Permitted Uses — Use Only

ItemColumn 1Column 2
Toxic SubstancePermitted Uses
1Pentachlorobenzene, which has the molecular formula C6HCl5Use with chlorobiphenyls contained in equipment or liquids in the service of equipment in which their use is permitted under the PCB Regulations
2Tetrachlorobenzenes, which have the molecular formula C6H2Cl4Use with chlorobiphenyls contained in equipment or liquids in the service of equipment in which their use is permitted under the PCB Regulations

PART 2(Sections 1 and 2, subsection 6(1), paragraph 6(2)(b), subsections 6(2.4) and (4) and 7(1), paragraph 7(2)(a) and subsections 9(2) and (3))Temporary Permitted Uses

ItemColumn 1Column 2Column 3
Toxic SubstancePermitted UsesDate
1[Repealed, SOR/2017-247, s. 3]
2Perfluorooctanoic acid, which has the molecular formula C7F15CO2H, and its saltsWater-based inks and photo media coatingsJanuary 1, 2017
3Compounds that consist of a perfluorinated alkyl group that has the molecular formula CnF2n+1 in which n = 7 or 8 and that is directly bonded to any chemical moiety other than a fluorine, chlorine or bromine atomWater-based inks and photo media coatingsJanuary 1, 2017
4Perfluorocarboxylic acids that have the molecular formula CnF2n+1CO2H in which 8 ≤ n ≤ 20, and their saltsWater-based inks and photo media coatingsJanuary 1, 2017
5Compounds that consist of a perfluorinated alkyl group that has the molecular formula CnF2n+1 in which 8 ≤ n ≤ 20 and that is directly bonded to any chemical moiety other than a fluorine, chlorine or bromine atomWater-based inks and photo media coatingsJanuary 1, 2017

PART 3(Sections 1 and 2, subsection 6(1), paragraphs 6(2)(c) and 7(2)(b) and subsection 9(2))Permitted Concentration Limits

ItemColumn 1Column 2Column 3
Toxic SubstanceProduct Containing the Toxic SubstanceConcentration Limit of the Toxic Substance
12-Methoxyethanol, which has the molecular formula C3H8O2Diethylene glycol methyl ether, which has the molecular formula C5H12O30.5 % (w/w)
2Tributyltins, which contain the grouping (C4H9)3SnTetrabutyltin, which has the molecular formula (C4H9)4Sn30 % (w/w)

PART 3.1(Sections 1 and 2 and subsections 6(1) and (2.5), 7(3) and 9(2))Concentration Limit for Certain Uses

ItemColumn 1Column 2Column 3
Toxic SubstanceProduct Containing the Toxic SubstanceConcentration Limit of the Toxic Substance
1Perfluorooctane sulfonate and its salts and compounds that contain one of the following groups: C8F17SO2, C8F17SO3 or C8F17SO2NAqueous film forming foam10 ppm

PART 4(Sections 1 and 2, subsection 9(2) and section 12)Reporting Thresholds

ItemColumn 1Column 2Column 3Column 4
Toxic SubstanceAnnual QuantityAnnual Weighted Average ConcentrationAnnual Quantity and Annual Weighted Average Concentration
1Benzidine and benzidine dihydrochloride that have the molecular formulas C12H12N2 and C12H12N2·2HCl, respectively1 kg
2Chlorinated alkanes that have the molecular formula CnHxCl(2n+2-x) in which 10 ≤ n ≤ 131 kg and 0.5% (w/w)
  • SOR/2016-252, ss. 18 to 21
  • SOR/2017-247, ss. 2, 3
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