Seven-day acute renewal toxicity_ tests were conducted using the fathead minnow (Pimephales promelas) or a cladoceran (Ceriodaphnia dubia) by exposing them to several concentrations of either ammonia, aniline, methyl ...

PROJECT OBJECTIVES This study will provide information for an assessment of (1) the hazard po­tential of selected organic compounds for freshwater organisms, and (2) the use of aquatic organisms as biological screening ...