Bioaccumulation and critical body burden of fluoranthene in estuarine amphipods
- Coll. of William and Mary, Gloucester Point, VA (United States). Virginia Inst. of Marine Science
A standard estuarine sediment toxicity test organism, the amphipod Leptocheirus plumulosus, was exposed to {sup 14}C-fluoranthene, a polycyclic aromatic hydrocarbon that is ubiquitous in contaminated coastal sediments. In water-only toxicity tests, the 10-d LC50 was 187.2 nmol/L and the critical body burden associated with 50% mortality on day 8 was 0.694 {micro}mol fluoranthene-equivalents/gww tissue. These results suggest that L. plumulosus is more sensitive to fluoranthene than other species of amphipods that have been examined. Also, the critical body burden measured in water-only tests for this species is lower than the predicted value that is associated with death by accumulation of nonpolar organic compounds such as fluoranthene in other organisms. Sediment toxicity, bioaccumulation, ability to metabolize fluoranthene, elimination rate, and critical body burden of fluoranthene in L. plumulosus will be compared to results previously determined for the freshwater amphipods, Diporeia sp. and Hyalella azteca.
- OSTI ID:
- 452063
- Report Number(s):
- CONF-961149--
- Country of Publication:
- United States
- Language:
- English
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