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This contributor has added 92 volumes from 84 titles, containing 12914 pages.
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  1. By: Ontario. Ministry of the Environment.
    Publication info: [Ottawa, Ministry of the Environment], 1994
    Holding Institution: Ontario Ministry of the Environment
  2. By: Ontario. Ministry of the Environment.
    Publication info: [Toronto], Ontario Ministry of the Environment,
    Holding Institution: Ontario Ministry of the Environment
  3. By: Kinch, James Craig, - Ontario. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1993
    Holding Institution: Ontario Ministry of the Environment
  4. By: Pearson, R. G. - Ontario. Air Resources Branch. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Air Resources Branch, 1990
    Holding Institution: Ontario Ministry of the Environment
  5. By: Pearson, R. G.
    Publication info: [Toronto], Ontario Ministry of the Environment, 1988
    Holding Institution: Ontario Ministry of the Environment
  6. By: Ontario. Phytotoxicology Section.
    Publication info: [Toronto], The Section, 1991
    Holding Institution: Ontario Ministry of the Environment
  7. By: Gizyn, W. I. - Ontario. Ministry of the Environment. Phytotoxicology Section.
    Publication info: [Toronto], Standards Development Branch, Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
  8. By: McIlveen, W. D. - Ontario. Phytotoxicology Section.
    Publication info: [Toronto], Phytotoxicology Section, Ontario Ministry of Environment and Energy, 1993
    Holding Institution: Ontario Ministry of the Environment
  9. By: Ontario. Ministry of Environment and Energy. - Emerson, R. N.
    Publication info: Toronto, Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
  10. By: Concord Scientific Corporation - Beak Consultants. - Ontario. Hazardous Contaminants Branch.
    Publication info: [Toronto], Environment Ontario, 1992
    Holding Institution: Ontario Ministry of the Environment
  11. By: Lewis, David C. - Whitby, G. E. - Aquatic Sciences, Inc. - Ontario. Ministry of Environment and Energy. - Ontario. Ministry of Natural Resources.
    Publication info: [Toronto], Queen's Printer for Ontario, c1995
    Holding Institution: Ontario Ministry of the Environment
  12. By: Richman, Lisa A. - Ontario. Ministry of Environment and Energy
    Publication info: [Toronto], Ontario Ministry of Environment and Energy, 1994
    Holding Institution: Ontario Ministry of the Environment
  13. By: Ontario. Ministry of the Environment.
    Publication info: [Toronto], Ministère de l'environnement, 1980
    Holding Institution: Ontario Ministry of the Environment
  14. By: Deloitte, Haskins & Sells. - Ontario. Ministry of the Environment.
    Publication info: [Toronto], Queen's Printer of Ontario, c1988
    Holding Institution: Ontario Ministry of the Environment