LEADER 02267oam 2200445Ia 450 001 9910697714103321 005 20081119152133.0 035 $a(CKB)5470000002391835 035 $a(OCoLC)233835521 035 $a(EXLCZ)995470000002391835 100 $a20080714d2008 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aFramework for application of the toxicity equivalence methodology for polychlorinated dioxins, furans, and biphenyls in ecological risk assessment$b[electronic resource] 210 1$aWashington, DC :$cOffice of the Science Advisor, Risk Assessment Forum, U.S. Environmental Protection Agency,$d[2008] 215 $axi, 80 pages $cdigital, PDF file 300 $aTitle from title screen (viewed on November 12, 2008). 300 $a"EPA/100/R-08/004." 300 $a"June 2008." 320 $aIncludes bibliographical references. 327 $aIntroduction -- Definitions -- Evolution of the toxicity equivalence methodology -- Toxicity equivalence methodology -- AHR-mediated mechanism and assignment of relative potency -- Selection of the appropriate relative potency factors -- Toxicity equivalence concentration -- Application of the toxicity equivalence methodology in ecological risk assessment -- Considerations in planning -- Considerations in problem formulation -- Considerations in analysis -- Considerations in risk characterization -- Conclusions. 606 $aEnvironmental risk assessment$xMathematical models 606 $aDioxins$xToxicology 606 $aFurans$xToxicology 606 $aPolychlorinated biphenyls$xToxicology 615 0$aEnvironmental risk assessment$xMathematical models. 615 0$aDioxins$xToxicology. 615 0$aFurans$xToxicology. 615 0$aPolychlorinated biphenyls$xToxicology. 712 02$aUnited States.$bEnvironmental Protection Agency.$bRisk Assessment Forum. 801 0$bEJB 801 1$bEJB 801 2$bGPO 906 $aBOOK 912 $a9910697714103321 996 $aFramework for application of the toxicity equivalence methodology for polychlorinated dioxins, furans, and biphenyls in ecological risk assessment$93137742 997 $aUNINA