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  1. By: Ontario. Ministry of the Environment. - Municipal Industrial Strategy for Abatement Program (Ontario)
    Publication info: [Toronto], Environment Ontario, c1990
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Environmental aspects  Environmental monitoring  Law and legislation  Metal castings industry  Ontario  Pollution  Waste disposal  Water  
  2. By: Ontario. Water Resources Branch.
    Publication info: [Toronto], Water Resources Branch, 1993
    Holding Institution: Ontario Ministry of the Environment
    Subjects: Effluent quality  Environmental aspects  Environmental monitoring  Measurement  Metal castings industry  Ontario  Quality control  Waste disposal