P073 Cholinesterase characterization in plasma of turtles, lizards, snakes, and crocodilians. Schmidt, Stephanie*,1, Hooper, Michael1, 1 Texas Tech University, Lubbock, Texas, USA

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P074 Examining embryological development in snapping turtle hatchlings from the St. Lawrence River Area of Concern. Ashpole, Sara*,1, Brooks, Ronald1, Bishop, Christine2, 1 University of Guelph, Guelph, Ontario, Canada2 Canadian Wildlife Service, Delta, British Columbia

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P075 Environmental impact on incubation and the embryological development of snapping turtles, Ontario, Canada. Ashpole, Sara*,1, Brooks, Ronald1, Bishop, Christine2, 1 University of Guelph, Guelph, Ontario, Canada2 Canadian Wildlife Service, Delta, British Columbia

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P076 Examining calcium homeostasis in hatchling Snapping Turtles. Ashpole, Sara*,1, McWilliams, Deborah2, Pauli, Bruce3, Fernie, Kim4, 1 University of Guelph, Guelph, Ontario, Canada2 American Zoological Association Nutrition Advisory Group (AZA-NAG), Guelph, Ontario, Canada3 Canadian Wildlife Service, National Wildlife Research Center, Hull, Quebec, Canada4 Canadian Wildlife Service, Environment Canada, Burlington, Ontario, Canada

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P077 Toxicity of Copper to the Northern Leopard Frog and American Toad in Water- and Sediment-Exposures. DuFresne, Doree*,1, Pillard, David1, Naddy, Rami1, Bleiler, John2, Barclift, David3, Speicher, Jason3, Fowler, Amy4, 1 ENSR International, Ft. Collins, CO, USA2 ENSR International, Westford, MA, USA3 U.S. Navy EFANE, Lester, PA, USA4 U.S. Navy NFESC, Port Hueneme, CA, USA

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P078 An evaluation of ovarian status and vitellogenin for American Alligators from contaminated lakes in Florida. Monck, Eileen*,1, Wiebe, Jon2, Sepulveda, Maria1, Buckland, Janet1, Gross, Denise2, Borgert, Christopher1,3, Gross, Timothy1,2, 1 University of Florida, College of Veterinary Medicine, Gainesville, FL, USA2 USGS/BRD/Florida Caribbean Science Center, Gainesville, FL, USA3 Applied Pharmacology and Toxicology, Inc., Alachua, FL

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P079 Evaluation of a Proposed Toxicity Testing Regime for Amphibian Species, Part- 2 Organics. Wigginton, Andrew*,1, Price, David1, Westerman, Albert2, Beiting, Michael1, Linder, Greg3, Birge, Wesley1, 1 University of Kentucky, Lexington, KY, USA2 Natural Resources and Environmental Protection Cabinet, Frankfort, KY, USA3 Heron Works, USGS/BRD/CERC Field Office, Brooks, OR, USA

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P080 Evaluation of a Proposed Toxicity Testing Regime for Amphibian Species, Part 1- Metals. Price, David1, Westerman, Albert2, Wigginton, Andrew*,1, Beiting, Michael1, Linder, Greg3, Birge, Wesley1, 1 University of Kentucky, Lexington, KY, USA2 Natural Resources and Environmental Protection Cabinet, Frankfort, KY, USA3 Heron Works, USGS/BRD/CERC Field Office, Brooks, OR, USA

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P081 Effects of perchlorate on perinatal thyroid levels and hatchability of the western fence lizard . Redick, Melinda*,1, Janz, David1, Talent, Larry1, 1 Oklahoma State University, Stillwater, Oklahoma, USA

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P082 Effects of Developmental Stage and Season of Metamorphosis on Trace Elements in an Anuran. Snodgrass, Joel*,1, Hopkins, William2, 1 Towson University, Towson, Maryland, USA2 Savannah River Ecology Laboratory, Aiken, South Carolina

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P083 Nitrate concentrations of stormwater retention basins in Maryland. Massal, Laura*,1, Casey, Ryan1, Snodgrass, Joel1, 1 Towson University, Towson, MD, USA

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P084 Developmental Toxicity of Copper Sulfate and Atrazine using FETAX. Hamilton, Misty*,1, Smith, David1,2, 1 Morehead State University, Morehead, Kentucky, United States2 Institute for Regional Analysis and Public Policy, Morehead, Kentucky, United States

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P085 Relationship of Lymphoproliferation and Clinical Blood Parameters to Contaminants In Loggerhead Turtles. Peden-Adams, M.*,1, Keller, J.2, Day, R.3,5, Johnson, A.1, EuDaly, J.1, Keil, D.1, Kucklick, J.3, Christopher, S.3, Maier, P.4, Stender, B.4, 1 Medical University of South Carolina, Charleston, SC2 Duke University Marine Lab, Beaufort, NC3 National Institute of Standards and Technology/Hollings Marine Lab, Charleston, SC5 University of Charleston- Grice Marine Lab, Charleston, SC4 South Carolina Department of Natural Resources-MRD, Charleston, SC

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P086 Aromatase Activity in Tissues from Adult Xenopus laevis Exposed to Atrazine. Villeneuve, Dan*,1, Coady, Katie1, Murphy, Margaret1, Van der Zee, Margriet1, Hecker, Markus1, Jones, Paul1, Giesy, John1, Carr, James2, Smith, Ernest2, Van Der Kraak, Glen3, 1 Michigan State University, East Lansing, MI, USA2 Texas Tech University, Lubbock, TX, USA3 University of Guelph, Guelph, ON, Canada

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P087 Correlations between organochlorine contaminants and health indicators in loggerhead sea turtles. Keller, Jennifer*,1, Kucklick, John2, Peden-Adams, Margie3, Stamper, M4, McClellan-Green, Patricia1,5, 1 Duke University Marine Laboratory, Beaufort, NC2 National Institute of Standards and Technology, Charleston, SC3 Medical University of South Carolina, Charleston, SC4 New England Aquarium, Boston, MA, now at Disney's Epcot The Living Seas, Lake Buena Vista, FL5 North Carolina State University, Raleigh, NC

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P088 Development of a Standardized Short-Term Sediment Toxicity Test using Amphibians. Pillard, David*,1, Bleiler, John2, Speicher, Jason3, Barclift, David3, DuFresne, Doree1, Fowler, Amy4, 1 ENSR International, Ft. Collins, CO, USA2 ENSR International, Westford, MA, USA3 U.S. Navy EFANE, Lester, PA, USA4 U.S. Navy NFESC, Port Hueneme, CA, USA

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P089 Effects of dietary methylmercury in juvenile corn snakes (Elaphe guttata). Bazar, Matthew*,1, Holtzman, David1, Adair, Blakely3, Gresens, Susan1, 1 Towson University, Department of Biological Sciences, Towson, MD, USA3 Texas Tech University, The Institute of Environmental Health and Department of Environmental Toxicology, Lubbock, TX

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P090 Gonadal steroids and dioxin interact to alter gonaduct growth in larval tiger salamanders, Ambystoma tigrinum. Vajda, Alan*,1, Norris, David1, 1 Department of Environmental, Population, and Organismic Biology; University of Colorado, Boulder, CO, USA

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P091 The Effects of Soybean Ingestion on Growth, Development, and Metamorphosis of Amphibians. Harvey, Gregory*,1, Dumont, James2, Collier, Joshua2, 1 Wright-Patterson Air Force Base, Wright Patterson AFB, OH, US2 Oklahoma State University, Stillwater, OK, US

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P092 Standardization of an Amphibian Toxicity Testing Methodology: Our Progress and Priorities for Test Method Development. Edginton, Andrea*,1, Scroggins, Rick2, 1 University of Guelph, Guelph, Ontario, Canada2 Method Development & Applications Section, Environment Canada, Ottawa, Ontario, Canada

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P093 Effects of atrazine on developing Xenopus laevis: Potential endocrine disruption. Coady, Katherine*,1, Villeneuve, Daniel1, Murphy, Margaret1, van der Zee, Margriet1, Hecker, Markus1, Jones, Paul1, Giesy, John1, Carr, James2, Smith, Ernest2, van der Kraak, Glen3, 1 Michigan State University, E. Lansing, MI, U.S.A.2 Texas Tech University, Lubbock, TX, U.S.A.3 University of Guelph, Guelph, ON, Canada

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P094 Steroidal Hormones at Sites with Amphibian Malformations . Rostad, Colleen*,1, Jones, Perry2, 1 US Geological Survey, Branch of Regional Research, Denver, CO, USA2 US Geological Survey, Minnesota District, Mounds View, MN, USA

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P095 Effects of 17-ethinylestradiol on larval development of Rana temporaria in flow-through conditions. Pickford, Daniel*,1, Pounds, Nadine1, Woods, Colin1, Hetheridge, Malcolm1, Hutchinson, Thomas1, 1 AstraZeneca Global Safety Health and Environment, Brixham, Devon, UK

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P096 Assessing the impact of bioremediation of a tetrachloroethylene-contaminated environment on amphibian larvae. McDaniel, Tana*,1, Martin, Pamela1, Ross, Natalie2, Steer, Helena2, Irwin Abbey, Anne-Marie2, Lesage, Suzane2, 1 Canadian Wildlife Service, Environment Canada, Burlington, Ontario, Canada2 National Water Research Institute, Environment Canada, Burlington, Ontario, Canada

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P097 Actions of Methoprene Acid on Developmental Stability in a Urodele Amphibian, Ambystoma mexicanum. Norris, David1, Lopez, Elena*,1, 1 University of Colorado, Boulder, CO, USA

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P098 Watersheds close to the Monsanto plant (Anniston, AL) show growth inhibition by the FETAX assay. Sauterer, Roger*,1, Harper, Carla1, Hardy, Robin1, Miller, Latoshia1, Rayburn, James1, 1 Jacksonville State University, Jacksonville, AL, USA

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P098a Effects of atrazine on developing Rana clamitans . Coady, Katherine*,1, Villeneuve, Daniel1, Murphy, Margaret1, van der Zee, Margriet1, Hecker, Markus1, Jones, Paul1, Giesy, John1, Carr, James2, Smith, Ernest2, van der Kraak, Glen3, 1 Michigan State University, E. Lansing, MI, U.S.A.2 Texas Tech University, Lubbock, TX, U.S.A.3 University of Guelph, Guelph, ON, Canada

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