P335 Population Genetic Structure in Redbreast Sunfish from a Pulp Mill Contaminated River. Theodorakis, Chris*,1, Lee, K1, Adams, S1, 1 Texas Tech University, Lubbock, TX, USA

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P336 Biomarker Studies of Fish in Prince William Sound and the Gulf of Alaska:1999-2000. Huggett, Robert*,1, Page, David2, Parker, Keith3, Brown, John4, Bence, A. Edward5, 1 Michigan State University, East Lansing, MI, USA2 Bowdoin College, Brunswick, ME, USA3 Data Analysis Group, Cloverdale, CA, USA4 Battelle, Waltham, MA, USA5 Exxon Mobil Upstream Research Co, Houston, TX, USA

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P337 Effects of diesel oil on the expression and activity of P-glycoprotein in gills of the mussel Perna perna. Bresolin, Taise1, Trivella, Daniela1, Lemos, Priscila1, Marques, Marques*,1, Bainy, Afonso1, 1 Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil

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P338 CYP1A expression in longear sunfish as a biomarker of PCB exposure. Brammell, Ben*,1, Price, David1, Arzuaga, Xabier1, Birge, Wes1, Elskus, Adria1, 1 University of Kentucky, Lexington, Kentucky, United States

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P339 Relationships among environmental variables in alpine lakes using a GIS approach. Smith, Carrie*,1, McClain, J1, Mehling, Molly1, Oris, James1, 1 Miami University Center for Environmental Toxicology & Statistics, Oxford, OH, USA

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P340 Lead toxicity in the earthworm Eisenia fetida and the issue of bioavailability. Booth, Lynn*,1, Darling, Colin2, Palasz, Fil3, Lanno, Roman1, Wickstrom, Mark3, 1 Ohio State University, Columbus, Ohio, USA2 University of Guelph, Guelph, Ontaria, Canada3 University of Saskatchewan, Saskatoon, Saskatchewan, Canada

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P341 HPLC determination of phytoplankton pigments using a C16-Amide column. Santos, Antelmo*,1, 1 EPA-ORD-NHEERL-Atlantic Ecology Division, Narragansett, RI, USA

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P342 The Stoneroller Minnow as an in situ Monitor of PCB Contamination in Freshwater Systems. Birge, Wesley*,1, Price, David1, 1 University of Kentucky, Lexington, KY, USA

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P343 Correlations Between TEQs from a Biomarker and Chemical Methods for Sediments, Soil, Ash and Gas. Anderson, Jack*,1, McCoy, Daniel1, Fujita, Akira2, Yamamoto, Taichi2, Iijima, Satoshi2, 1 Columbia Analytical Services, Vista, CA, USA2 Nihon Environmental Services, Tokyo, Japan

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P344 Antisteroidogenic effects of modified polycyclic aromatic hydrocarbons and copper on rat corpora lutea. Nykamp, Julie*,1, Carlson, John1, Greenberg, Bruce1, Bols, Niels1, 1 University of Waterloo, Waterloo, ON, Canada

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P345 Electrophretic determination of adverse effect as vitellogenin induction in juvenile common carp (Cyprinus carpio) exposed to 17-estradiol (E2) and di-2-ethylhexyl phthalate.(DEHP). Seo, Jinwon*,1, Park, Kyung-Seo2, Moon, Woon-Ki2, Lee, Sung-Kyu1, 1 Ecotoxicology Research Team, Korea Institute of Toxicology, Taejon, Korea2 Fish Ecology Laboratory, Department of Biology, Chungnam National University, Taejon, Korea

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P346 Quantification of the toluene dioxygenase of Psudomonas putida F1 by Real-Time TaqMan PCR. Narasimmalu, Rajendran1, Aoyagi, Reiji1, Kanazawa, Nobuhiro2, Urushigawa, Yoshikuni*,2, Ito, Kiminori1, 1 Yokohama National University, Yokohama, Japan2 Akita Prefectural University, Honjo, Akita Pref., Japan

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P347 Quantitative Estimation of Expression and Substrate Specificity of Naphthalene Dioxygense of Pseudomonas putida by Real-Time PCR. Narasimmalu, Rajendran*,1, Urushigawa, Yoshikuni2, Kanazawa, Nobuhiro2, 1 Yokohama National University, Yokohama, Kanazawa Pref., Japan2 Akita Prefectural University, Honjo, Akita Pref., Japan

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P349 Identification and expression of cytochrome P450 in Capitella capitata sp.I. Li, Bo*,1, Bisgaard, Hanne2, Clausen, Jørgen1, Forbes, Valery1, 1 Roskilde University, Roskilde, Denmark2 Copenhagen University, Copenhagen, Denmark

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P350 Correlation of lethal and sublethal effects of 2,4,6-trinitrotoluene (TNT), phenanthrene, and lead with gene expression in the marine benthic amphipod Leptochierus plumulosus . Perkins, Edward*,1, Farrar, Danial1, Lotufo, Guilherme1, 1 US Army Engineering Research and Development Center, Environmental Laboratory, Vicksburg, MS, US

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