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Priority Substances

• Environmental Assessments of Priority Substances Under the Canadian Environmental Protection Act. Guidance Manual Version 1.0 - March 1997
  This manual provides detailed guidance for conducting assessments of priority substances in Canada. Beginning with the collection and generation of data, the manual goes on to cover problem formulation and the characterization of entry, exposure, effects, and risk. A final chapter deals with complex substances.
  
  
• Priority Substances List (PSL1) - Assessment Reports, Series 1
  The Canadian Environmental Protection Act, 1999 (CEPA 1999, section 76) requires the Ministers of the Environment and of Health to establish a Priority Substances List (PSL) that identifies substances to be assessed on a priority basis to determine whether they are toxic (as defined under Section 64 of the Act) and pose a risk to the health of Canadians or to the environment. Assessments of substances placed on the PSL are the shared responsibility of Environment Canada and Health Canada. A Priority Substance may be a chemical, a group or class of chemicals, effluents or wastes. Assessments of the first 44 substances placed on the list (PSL1) were completed by February 1994.
  Following the recommendations of a multi-stakeholder Expert Advisory Panel, 25 substances were added to the list (PSL2).
  NOTE: When ordering hard copies, please quote the PSL Report number(s) in the "Notes" field.

  PSL-1     Polychlorinated Dibenzodioxins and Polychlorinated Dibenzofurans
  PSL-2     Effluents from Pulp Mills Using Bleaching
  PSL-3     Chlorobenzene (Out of print)
  PSL-4     Toluene
  PSL-5     Methyl tertiary-butyl Ether
  PSL-7     Hexachlorobenzene (Out of print)
  PSL-8     Bis (Chloromethyl) Ether and Chloromethyl Methyl Ether
  PSL-9     Bis (2-Chloroethyl) Ether
  PSL-10   Methyl Methacrylate
  PSL-11   Benzene
  PSL-12   Chlorinated Wastewater Effluents
  PSL-13   Creosote-impregnated Waste Materials
  PSL-14   Arsenic and Its Compounds (Out of print)
  PSL-15   3,3'-Dichlorobenzidine
  PSL-16   3,5'-Dimethylaniline
  PSL-17   Chlorinated Paraffins
  PSL-18   Non-pesticidal Organotin Compounds
  PSL-19   1,1,2,2-Tetrachloroethane
  PSL-20   Benzidine
  PSL-21   Di-n-octylphthalate
  PSL-22   Xylenes (Out of print)
  PSL-23   1,4-Dichlorobenzene (Out of print
  PSL-24   Styrene (Out of print)
  PSL-25   Trichlorobenzenes (Out of print)
  PSL-26   Pentachlorobenzene
  PSL-27   Trichloroethylene(Out of print)
  PSL-28   Tetrachloroethylene (Out of print)
  PSL-29   Dichloromethane (Out of print)
  PSL-30   Mineral Fibres (Out of print)
  PSL-31   Tetrachlorobenzenes(Out of print)
  PSL-32   Inorganic Fluorides
  PSL-33   1,2 Dichlorobenzene
  PSL-34   Dibutyl Phthalate
  PSL-35   Aniline
  PSL-36   Waste Crankcase Oils
  PSL-37   Bis (2-Ethylhexyl Phthalate)
  PSL-38   1,2-Dichloroethane
  PSL-39   Chromium and its Compounds
  PSL-40   Cadmium and its Compounds
  PSL-42   Polycyclic Aromatic Hydrocarbons
  PSL-43   Nickel and its Compounds
  
  
  

• Priority Substances List (PSL2) Assessment Reports, Series 2
  The second Priority Substances List of the Canadian Environmental Protection Act,1999 was published in 1995. This list identifies substances that will be given priority for assessment to determine whether they are "toxic" under Section 64 of the Act. A substance is defined as "toxic" if it enters or may enter the environment in amounts or under conditions that pose or may pose a risk to human health, the environment or its biological diversity, or to the environment that supports life. The list contains 25 substances, including single chemicals as well as mixtures and effluents.
  

  NOTE: When ordering hard copies, please quote the PSL Report number(s) in the "Notes" field

  PSL-44   Butylbenzylphthalate
  PSL-45   Phenol
  PSL-46   Carbon Disulfide
  PSL-47   Respirable Particulate Matter Less Than Or Equal To 10 Microns
  PSL-48   Acrolein
  PSL-49   Acrylonitrile
  PSL-50   Acetaldehyde
  PSL-51   Ethylene Oxide
  PSL-52   1,3-Butadiene
  PSL-53   N-Nitrosodimethylamine
  PSL-54   N,N-Dimethylformamide
  PSL-55   Ammonia in the Aquatic Environment
  PSL-56   Chloroform
  PSL-57   Nonylphenol and its Ethoxylates
  PSL-58   Hexachlorobutadiene
  PSL-59   Textile Mill Effluents
  PSL-60   Inorganic Chloramines
  PSL-61   Formaldehyde
  PSL-62   Releases from Primary and Secondary Copper Smelters and Copper Refineries. Releases from Primary and Secondary Zinc Smelters and Zinc Refineries
  PSL-63   Road Salts
  PSL-64   2-Ethoxyethanol
  PSL-65   2-Methoxy Ethanol
  PSL-66   2-Butoxy Ethanol PSL-67   Releases of Radionuclides from Nuclear Facilities (Impact on Non-human Biota)
  
  

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