01637oam 2200433 a 450 991069893060332120100316124413.0(CKB)5470000002398572(OCoLC)556117294(EXLCZ)99547000000239857220100316d1991 uy 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierMethods for aquatic toxicity identification evaluations[electronic resource] phase I : toxicity characterization procedures /edited by T. Norberg-King ... [and others]2nd ed.Duluth, MN :U.S. Environmental Protection Agency, Office of Research and Development, Environmental Research Laboratory,[1991]1 online resource. (87 unnumbered pages)National Effluent Toxicity Assessment Center technical report ;18-90Title from PDF title screen (viewed on Mar. 16, 2010)."February 1991.""EPA-600/6-91/003."Includes bibliographical references.Methods for aquatic toxicity identification evaluations Toxicity testingUnited StatesWaterAnalysisToxicity testingWaterAnalysis.Norberg-King Teresa1403610Environmental Research Laboratory (Duluth, Minn.)GPOGPOGPOBOOK9910698930603321Methods for aquatic toxicity identification evaluations3549274UNINA