Pesticide Monitoring in the Prairies of Western Canada

  • Wm. D. Gummer
Part of the Environmental Science Research book series (ESRH, volume 16)

Abstract

Pesticide monitoring programs conducted by the Water Quality Branch of the Department of Fisheries and the Environment during the period 1971 to 1977 revealed a widespread distribution of 2,4-D; 2,4,5-T; γ-BHC (lindane); and α-BHC as well as a more limited distribution of 2,4-DP (dichloroprop); aldrin; and β-Endosulfan in surface waters of western Canada.

Atmospheric transportation and deposition are the mechanisms believed responsible for the wide distribution of lindane and a-BHC in western Canada. It is speculated that isomerization of lindane to the α-BHC isomer accounts for the abundance of α-BHC. Concentrations of both lindane and a-BHC at times exceeded 0.01 µg/1. The herbicide 2,4-D was observed to be prevalent in the agricultural areas at concentrations above 0.01 µg/1 and as high as 4.33 µg/1. In addition to agriculture, industries and municipalities were found to contribute pesticides to the aquatic environment.

Keywords

Biodegradation Methylene Chloride Epoxide Volatility Bioaccumulation 

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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • Wm. D. Gummer
    • 1
  1. 1.Water Quality BranchFisheries & Environment CanadaReginaCanada

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