8:30 AM - 30-01 - Pitfalls of toxicity reduction evaluation based on biotests for contaminated groundwater.
Küster, Eberhard^*,1, Dorusch, Falk¹, Weiss, Holger¹, Altenburger, Rolf¹, ¹ UFZ Centre for Environmental Research Leipzig-Halle, Leipzig, Germany

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8:50 AM - 30-02 - Controlled Toxicant Delivery: A Novel in vivo Approach for Embryotoxicity Testing.
Kiparissis, Yiannis^*,1,2, Akhtar, Parveen¹, Alexander, Alexa¹, Brown, Stephen¹, Hodson, Peter¹, ¹ School of Environmental Studies, Queen's University, Kingston, ON² Environmental and Resource Studies, Trent University, Peterborough, ON

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9:10 AM - 30-03 - Evaluation of a battery of prokaryotic stress gene assays for environmental toxicity screening purposes.
Dardenne, Freddy^*,1,2, Vlaeminck, Andrea¹, Willems, Kris^1,2, Decoen, Wim¹, Blust, Ronny¹, ¹ Department of Biology, Antwerp, Belgium, Belgium² Food and Environmental Toxicology, Sint-Katelijne-Waver, Belgium, Belgium

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9:30 AM - 30-04 - Earthworm avoidance test for soil assessment - results of a laboratory comparison test.
Hund-Rinke, Kerstin^*,1, Römbke, Jörg², Achazi, Rudolf³, ¹ Fraunhofer IME, 57377 Schmallenberg, Germany² ECT Oekotoxikologie, 65439 Flörsheim, Germany³ FU Berlin, 14195 Berlin, Germany

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9:50 AM - 30-05 - Biotest-directed fractionation and identification: a suitable tool for determination of realistic exposure situations?
Grote, Matthias^*,1, Walter, Helge¹, Brack, Werner¹, Vrana, Branislav¹, Schüürmann, Gerrit¹, Blanck, Hans², Altenburger, Rolf¹, ¹ UFZ - Center for Environmental Research, Leipzig, Germany² Botanical Institute, Göteborg, Sweden

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10:40 AM - 30-06 - Interpretation of existing fish bioconcentration guidelines and proposal for optimization.
Volz, Ernst^*,1, Rufli, Hans², Hamer, Mick³, Dorgerloh, Michael⁴, Zok, Sabine⁵, Kohl, Werner⁶, Gonzalez-Valero, Juan⁷, ¹ Syngenta Crop Protection AG, Basel, Switzerland² Syngenta Crop Protection AG, Basel, Switzerland³ Syngenta Crop Protection AG, Jealotts Hill, UK⁴ Bayer AG, Monheim, Germany⁵ BASF AG, Ludwigshafen, Germany⁶ BASF AG, Limburgerhof, Germany⁷ Syngenta Crop Protection, Inc., Greensboro, NC, USA

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11:00 AM - 30-07 - Toxicity of PAH - Is the bioluminescence inhibition test an appropriate measure?
Hirmann, Doris^*,1, Rost, Helmut¹, Braun, Rudolf¹, Loibner, Andreas¹, ¹ IFA-Tulln, Konrad Lorenz Strasse 20, Tulln, Austria

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11:20 AM - 30-08 - Bioavailability in Standardized Soil Toxicity Tests: Fact or Fiction?
Lanno, Roman^*,1, Basta, Nick², Bradham, Karen³, Booth, Lynn¹, ¹ Department of Entomology, Columbus, OH, USA² Department of Plant and Soil Sciences, Stillwater, OK, USA³ Department of Zoology, Stillwater, OK, USA

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11:40 AM - 30-09 - Confounding factors in sediment toxicity tests with Chironomus riparius: Experiences from tests with Lindane.
Goedkoop, Willem^*,1, ¹ Department of Environmental Assessment, Uppsala, Sweden

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12:00 PM - 30-10 - Octanol-water partition coefficient and presence of gills influence uptake route of PAH compounds from sediment.
Gaskell, Paul^*,1, Maltby, Lorraine¹, Marshall, Stuart², ¹ University of Sheffield, Sheffield, South Yorkshire, UK² Unilever Research, Sharnbrook, Bedfordshire

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