Selective removal of organic contaminants from sediments: A methodology for toxicity identification evaluations (TIEs)
- J.A. Lebo, J.N. Huckins, J.D. Petty, K.T. Ho, and E.A. Stern
Aqueous slurries of a test sediment spiked with dibenz[a,h]anthracene, 2,4,5,2′,4′,5′-hexachlorobiphenyl, p,p′-DDE, or phenanthrene were subjected to decontamination experimentation. The spiked sediments were agitated at elevated temperatures for at least 96 h in the presence of either of the two contaminant-absorbing media: clusters of polyethylene membrane or lipid-containing semipermeable membrane devices (SPMDs). The effects of treatment temperature and surface area of media on the removal of contaminants were explored. This work is part of a larger methodology for whole-sediment toxicity identification evaluation (TIE). A method is being sought that is capable of detoxifying sediments with respect to organic contaminants while leaving toxicity attributable to inorganic contaminants unaffected.
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- Journal Article
- Selective removal of organic contaminants from sediments: A methodology for toxicity identification evaluations (TIEs)
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- Columbia Environmental Research Center
- 9 p.
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