Sediment toxicity testing using large water-sediment ratios: an alternative to water renewal.

@article{Borgmann1999SedimentTT,
  title={Sediment toxicity testing using large water-sediment ratios: an alternative to water renewal.},
  author={Uwe Borgmann and Warren P Norwood},
  journal={Environmental pollution},
  year={1999},
  volume={106 3},
  pages={333-9}
}
Deterioration of overlying water quality during toxicity tests with benthic invertebrates is a serious problem with some sediments. One solution is periodic renewal of overlying water. However, this is either labour intensive or requires construction and maintenance of special equipment. Furthermore, water renewal has the potential for flushing toxic chemicals out of the test chamber and establishes nonequilibrium conditions between the water and sediment. An alternative is testing under static… CONTINUE READING

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