STP1252

    Toxicity of Oil and Dispersed Oil to the Eggs and Larvae of Seven Marine Fish and Invertebrates from the Gulf of Mexico

    Published: Jan 1995


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    Abstract

    The early life stages of seven invertebrate and vertebrate species from the Gulf of Mexico were exposed to two oils, Corexit 9527, and dispersed oil mixtures. Chemical analyses found that hydrocarbon concentrations between exposures were relatively consistent. The hydrocarbon concentrations were initially highest in the dispersed oil mixtures compared to the water accommodated fractions (WAF) of the oils. However, hydrocarbon concentrations in both dispersed oil and WAF exposures were generally similar after 24 hours. The levels of toxicity in the dispersed oil mixtures were not proportionately greater than that in the WAF.

    Keywords:

    dispersed oil, water accommodated fraction, invertebrates, vertebrates, eggs, larvae, Gulf of Mexico


    Author Information:

    Fucik, KW
    President and Lab Manager, The Sea Crest Group, Broomfield, CO.,

    Carr, KA
    President and Lab Manager, The Sea Crest Group, Broomfield, CO.,

    Balcom, BJ
    Senior Scientist, Continental Shelf Associates Inc., Ventura, CA


    Paper ID: STP15390S

    Committee/Subcommittee: F20.23

    DOI: 10.1520/STP15390S


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