Improving sediment-quality guidelines for nickel: development and application of predictive bioavailability models to assess chronic toxicity of nickel in freshwater sediments

Marnix L. U. Vangheluwe; Frederik A. M. Verdonck; John M. Besser; William G. Brumbaugh; Christopher G. Ingersoll; Christan E. Schlekat; Emily Rogevich Garman

doi:10.1002/etc.2373

USGS · 70140927

Improving sediment-quality guidelines for nickel: development and application of predictive bioavailability models to assess chronic toxicity of nickel in freshwater sediments

Marnix L. U. Vangheluwe·Frederik A. M. Verdonck·John M. Besser·William G. Brumbaugh·Christopher G. Ingersoll·Christan E. Schlekat·Emily Rogevich Garman

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Abstract

Within the framework of European Union chemical legislations an extensive data set on the chronic toxicity of sediment nickel has been generated. In the initial phase of testing, tests were conducted with 8 taxa of benthic invertebrates in 2 nickel-spiked sediments, including 1 reasonable worst-case sediment with low concentrations of acid-volatile sulfide (AVS) and total organic carbon. The following species were tested: amphipods ( Hyalella azteca , Gammarus pseudolimnaeus ), mayflies ( Hexagenia sp.), oligochaetes ( Tubifex tubifex , Lumbriculus variegatus ), mussels ( Lampsilis siliquoidea ), and midges ( Chironomus dilutus , Chironomus riparius ). In the second phase, tests were conducted with the most sensitive species in 6 additional spiked sediments, thus generating chronic toxicity data for a total of 8 nickel-spiked sediments. A species sensitivity distribution was elaborated based on 10% effective concentrations yielding a threshold value of 94 mg Ni/kg dry weight under reasonable worst-case conditions. Data from all sediments were used to model predictive bioavailability relationships between chronic toxicity thresholds (20% effective concentrations) and AVS and Fe, and these models were used to derive site-specific sediment-quality criteria. Normalization of toxicity values reduced the intersediment variability in toxicity values significantly for the amphipod species Hyalella azteca and G. pseudolimnaeus , but these relationships were less clearly defined for the mayfly Hexagenia sp. Application of the models to prevailing local conditions resulted in threshold values ranging from 126 mg to 281 mg Ni/kg dry weight, based on the AVS model, and 143 mg to 265 mg Ni/kg dry weight, based on the Fe model

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Marnix L. U. Vangheluwe, Frederik A. M. Verdonck, John M. Besser, William G. Brumbaugh, Christopher G. Ingersoll, Christan E. Schlekat, Emily Rogevich Garman. 2013-08-24. Improving sediment-quality guidelines for nickel: development and application of predictive bioavailability models to assess chronic toxicity of nickel in freshwater sediments. https://doi.org/10.1002/etc.2373

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