||Toxicity of Acenaphthene and Isophorone to Early Life Stages of Fathead Minnows (Journal Version).
Cairns, M. A. ;
Nebeker, A. V. ;
||Corvallis Environmental Research Lab., OR.
Lethal dosage ;
Water pollution effects(Animals) ;
Fathead minnows ;
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Flow-through 96-hr and early-life stage toxicity tests were conducted with acenaphthene and isophorone, using fathead minnows (Pimephales promelas) as test animals. The 96-hr LC50's were 608 micro/L for acenaphthene and 145 and 255 micro/L for isophorone, depending on fish age. No-efect concentrations from early-life-stage exposures were 413 g acenaphthene/L and 14 mg isophorone/L; these showed good agreement with published toxicity data.