Ecological risk characterization based on exposure to contaminants through the Rocky Mountain Arsenal aquatic food chains

Conference · Sat Dec 31 04:00:00 EST 1994

OSTI ID:33556

Toll, J E; Cothern, K A; Pavlou, S ^[1]; Tate, D J ^[2]; Armstrong, J P ^[3]

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1. Enserch Environmental Corp., Bellevue, WA (United States)
2. Enserch Environmental Corp., Lakewood, CO (United States)
3. Rocky Mountain Arsenal, Commerce City, CO (United States)

This paper describes ecological risk characterization methods and results for characterizing potential risk from exposure to bioaccumulative contaminants of concern (aldrin, dieldrin, endrin, DDT, DDE, and mercury) through the lake food chains at Rocky Mountain Arsenal (RMA). Aquatic risks were estimated for the bald eagle, great blue heron, shorebird, and water bird using a prey-tissue-concentration-based food web model. Methods for estimating missing tissue concentration data were developed on a case-by-case basis and will be described. A sediment-based food web model was also considered and the reasons for its rejection will be described. Generalizable insights from the aquatic ecological risk characterization will be discussed.

• OSTI ID: 33556
• Report Number(s): CONF-9410273--
• Country of Publication: United States
• Language: English

Related Subjects

54 ENVIRONMENTAL SCIENCES
56 BIOLOGY AND MEDICINE
APPLIED STUDIES
BIOLOGICAL ACCUMULATION
BIRDS
COLORADO
CONTAMINATION
ENVIRONMENTAL IMPACTS
FOOD CHAINS
MATHEMATICAL MODELS
MERCURY
MILITARY FACILITIES
PESTICIDES
REMEDIAL ACTION
RISK ASSESSMENT
SENSITIVITY
TOXICITY
WATER POLLUTION