STP1018

    Dispersants in the Freshwater Environment

    Published: Jan 1989


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    Abstract

    During the past four years, a research program to investigate the effect of oil and dispersant chemicals on a freshwater ecosystem has been carried out. Laboratory experiments were used to select a suitable dispersant for a field trial and to develop monitoring techniques which would be capable of detecting chronic and sublethal effects in selected species of the freshwater ecosystem. The field trial demonstrated that a spill of light oil covering 5 to 10% of the surface of a small shallow freshwater lake had no long-term measurable effects and that the application of a dispersant ameliorated some short-term effects even in this low energy system.

    Keywords:

    freshwater ecosystem, dispersants, oil spills, field trial


    Author Information:

    Brown, HM
    Research chemists, Esso Resources Canada Limited, Calgary,

    Goodman, RH
    Research chemists, Esso Resources Canada Limited, Calgary,


    Paper ID: STP18647S

    Committee/Subcommittee: F20.13

    DOI: 10.1520/STP18647S


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