By-products of oxidative biocides: Toxicity to oyster larvae |
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| Authors: | ME Stewart WJ Blogoslawski RY Hsu GR Helz |
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| Institution: | 1. School of Forestry and Environmental Studies, Yale University, New Haven, CT 06520, USA;2. National Marine Fisheries Service, Northeast Fisheries Center, Milford Laboratory, Milford, CT 06460, USA;3. Department of Chemistry, University of Maryland, College Park, MD 20742, USA |
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| Abstract: | Selected by-products which are produced upon chlorination or ozonization of seawater were examined for their effect on eastern oyster (Crassostrea virginica) larvae. The compounds, bromate, bromoform, and chloroform, were studied at 0.05, 0.1, 1.0, and 10.0 mg/l. Repeated bioassays indicated that even at these low levels, all three substances produced some larval mortality. This preliminary study suggests that oxidation by-products formed during chlorination or ozonization of power plant cooling waters may have adverse effects upon the growth of marine invertebrates, such as C. virginica, during their delicate larval stages. |
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