Comparative evaluation of the sensitivity of Hyallela azteca and Chironomus tentans for use in freshwater toxicity tests
Conference
·
OSTI ID:31784
- Parametrix, Inc., Kirkland, WA (United States)
Laboratory studies were conducted to assess the bioavailability of contaminants in a creek located in western Washington. Bioassays were conducted on eighteen sediment samples using the amphipod Hyallela azteca and the midge Chironomus tentans. The Hyallela test was a standard 10-day acute test with survival as the test endpoint. The Chironomus test was a 30-day chronic test evaluating both survival and adult emergence. Results from these bioassays showed Chironomus emergence to be the most sensitive endpoint, followed by Chironomus survival and Hyallela survival, respectively.
- OSTI ID:
- 31784
- Report Number(s):
- CONF-9410273--
- Country of Publication:
- United States
- Language:
- English
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