TCDD/TCDF levels in bioaccumulation test tissues and their corresponding sediments
Conference
·
OSTI ID:230850
- Battelle Memorial Inst., Columbus, OH (United States)
- Battelle/Marine Sciences Lab., Sequim, WA (United States)
- Army Corps of Engineers, New York, NY (United States)
Sediments from eight highly urbanized, industrial areas were analyzed for 2,3,7,8-tetrachlorodibenzo-p-dioxin and 2,3,7,8 tetrachlorodibenzofuran (TCDD/TCDF) contamination. The polychaete Nereis virens was exposed to the contaminated sediment for 28 days and then analyzed for TCDD/TCDF to evaluate the potential bioaccumulation of these contaminants, Levels of TCDD/TCDF accumulated in N. virens in general increased as the amount of sediment contamination increased and were significantly greater than levels in N. virens exposed to uncontaminated sediment. In addition, accumulation factors were calculated based on the levels of TCDD/TCDF in the test organisms and sediments, the organism lipid content, and the sediment total organic carbon content to predict the maximum amount of TCDD/TCDF likely to be accumulated from the sediments.
- OSTI ID:
- 230850
- Report Number(s):
- CONF-9511137--; ISBN 1-880611-03-1
- Country of Publication:
- United States
- Language:
- English
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