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Acute cadmium toxicity studies upon nine species of aquatic insects

Journal Article · · Environ. Res.; (United States)
Continuous-flow bioassays were employed to determine 96-hour median tolerance limits (TLm), for the stonefly, Pteronarcella badia (Hagen)(TLm was 18.0 mg Cd/l) and the mayfly, Ephemerella grandis Eaton (TLm was 28.0 mg Cd/l). Ninety-six hours TLm values for other species of aquatic insects tested were not determined, since these species were relatively insensitive to cadmium. Insects exposed for four days in cadmium-containing water, then placed in tap water, show a linear rate of cadmium loss. This loss may lower or prevent mortality under ideal conditions. 11 references, 4 figures, 9 tables.
Research Organization:
Univ. of Utah, Salt Lake City
OSTI ID:
6863430
Journal Information:
Environ. Res.; (United States), Journal Name: Environ. Res.; (United States) Vol. 9:3; ISSN ENVRA
Country of Publication:
United States
Language:
English