Sediment Characteristics and Bioavailability of Sorbed Neutral Organic Compounds

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Several sediment characteristics were analyzed to determine their suitability for use as potential normalization factors for the bioavailability of neutral organic compounds sorbed to sediments. Percent organic carbon, cation exchange capacity and particle surface area were measured sediment characteristics that varied sufficiently to encompass the range in observed sediment toxicity. Laboratory sediment toxicity test data using fluoranthene suggest that there is no biologically significant correlation between sediment toxicity and sediment characteristics (organic carbon, cation exchange capacity, particle size distribution, particle surface area). Fluoranthene amended sediments with similar organic carbon contents do not yield similar toxicities due to sorbed fluoranthene and … continued below

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vi, 144 leaves : ill., maps

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Suedel, Burton C. (Burton Craig) December 1989.

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  • Suedel, Burton C. (Burton Craig)

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Several sediment characteristics were analyzed to determine their suitability for use as potential normalization factors for the bioavailability of neutral organic compounds sorbed to sediments. Percent organic carbon, cation exchange capacity and particle surface area were measured sediment characteristics that varied sufficiently to encompass the range in observed sediment toxicity. Laboratory sediment toxicity test data using fluoranthene suggest that there is no biologically significant correlation between sediment toxicity and sediment characteristics (organic carbon, cation exchange capacity, particle size distribution, particle surface area). Fluoranthene amended sediments with similar organic carbon contents do not yield similar toxicities due to sorbed fluoranthene and thus do not support the organic carbon normalization approach for evaluating sediment quality or for sediment criteria development.

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vi, 144 leaves : ill., maps

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  • December 1989

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  • March 9, 2015, 8:15 a.m.

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  • Oct. 20, 2017, 1:20 p.m.

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Suedel, Burton C. (Burton Craig). Sediment Characteristics and Bioavailability of Sorbed Neutral Organic Compounds, thesis, December 1989; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc500652/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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