P818 A Terrestrial Ecological Risk Assessment Involving Ecologically Virgin Material. Gneiding, Laurie*,1, Calhoun, Christy1, Harman, Charles1, 1 AMEC Earth & Environmental, Inc., Somerset, NJ, USA

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P819 Is There Ecological Risk within a Man-Made Trench? Gneiding, Laurie*,1, Calhoun, Christy1, Harman, Charles, 1 AMEC Earth & Environmental, Inc., Somerset, NJ

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P820 Ecological Risk Assessment at a Closed Skeet and Trap Range in Virginia. Lingenfelser, Susan*,1, McCloskey, John1, Musel, Daniel2, Hoskin, Sumalee1, 1 United States Fish and Wildlife Service, Gloucester, VA, USA2 United States Army Transportation Center, Fort Eustis, VA

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P821 Screening Chemicals of Concern for Ecological Risk Assessment at Combustion Facilities. Hull, Ruth*,1, Moore, Roberta1, Willis, Rob2, Marshall, Lisa2, Bresee, Karl3, 1 Cantox Environmental Inc., Mississauga, ON, Canada2 Cantox Environmental Inc., Halifax, NS, Canada3 Cantox Environmental Inc., Calgary, AB, Canada

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P822 Metal Contaminant Mobility, Bioavailability, and Ecological Risk Assessment. Fan, Ming*,1, Thongsri, Tepwitoon1,2, Axe, Lisa1, Tyson, Trevor1, 1 New Jersey Institute of Technology, Newark, New Jersey, USA2 Department of Science Service, Bangkok, Thailand

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P823 Calculating HSI values for polygons of different cover types for use in Ecological Risk Assessment. Kapustka, Lawrence*,1, Galbraith, Hector2, Luxon, Matthew3, Yocum, Joan1, 1 ecological planning and toxicology, inc., Corvallis, OR, USA2 Galbraith Environmental Sciences, Boulder, CO, USA3 Windward Environmental LLC, Seattle, WA, USA

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P824 Should cancer and learning disabilities be used in predictive ecological risk assessments for wildlife? Meyers-Schöne, Linda*,1, Nagy, Michael2, Eidson, Frank3, Fischer, Timothy1, 1 AMEC, Albuquerque, NM2 Shaw Environmental & Infrastructure, Albuquerque, NM, USA3 Shaw Environmental & Infrastructure, Houston, TX

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P825 Deriving Toxicity Reference Values for Wildlife: Application of Uncertainty Factors. Podolsky, Jill*,1,2, Newell, Patricia1,2, 1 Environmental Health Associates, Inc., Albuquerque, NM, USA2 Environmental Restoration Project, Los Alamos National Laboratory, Los Alamos, NM, USA

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P826 Stressor identification for river water quality improvement. Kwon, Jung-Hwan1, Kim, Kyun*,1, Kim, Yong-Hwa1, Yeom, Dong-Hyuk1, Lee, Sung-Kyu1, Chung, Se-Young2, Chung, Kyu-Hyuk3, Yoo, Soon-Ae4, Yoon, Sung-Myoung5, 1 Korea Institute of Toxicology, Daejon, Republic of Korea2 Kyunghee University, Seoul, Republic of Korea3 Sungkyunkwan University, Suwon, Republic of Korea4 Paichai University, Daejon, Republic of Korea5 Chosun University, Kwangjoo, Republic of Korea

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P827 Application of Baseline Ecological Evaluations at Retail Gasoline Stations in New Jersey, USA. Dorn, Philip1, Wong, Diana1, Huddleston, George*,2, Gillespie, William2, Dingman, Charles3, 1 Shell Global Solutions (US), Inc., Houston, TX, USA2 ENTRIX, Inc., Houston, TX, USA3 University of Houston - Clear Lake, Houston, TX, USA

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P828 Screening Assessment of Musk Substances: The Canadian Perspective. Harris, Peter*,1, Cureton, Philippa1, 1 Environment Canada, Hull, Quebec, Canada

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P829 Environmental risk assessment of two fragrance materials following the RIFM Framework. Salvito, Daniel*,1, 1 Research Institute for Fragrance Materials, Hackensack, NJ, USA

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P830 Army standard practice for the development of toxicity reference values (TRVs): method comparison and evaluation. Salice, Christopher*,1, Johnson, Mark1, 1 US Army Center for Health Promotion and Preventive Medicine, APG, MD, USA

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P831 Development of Fine-Scale PCB Exposure Estimates for a Fish Food Web Model. Boote, Martin*,1, Depinto, Joseph1, 1 Limno-Tech, Inc., Ann Arbor, MI, USA

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P832 Assessing Ecological Risk Posed by Nonylphenol with Species Sensitivity Distribution Method. Miyamoto, Ken-ichi*,1, Tokai, Akihiro1, Nakanishi, Junko1, 1 National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki, Japan

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P833 Assessing the Ecological Risk of Using Former Navy Vessels to Construct Artificial Reefs. Johnston, Robert*,1, Samaitis, H1, George, R1, Wild, W1, Bell, M2, Martore, R.2, 1 Space and Naval Warfare Systems Center, San Diego, CA, USA2 South Carolina Department of Natural Resources, Charleston, SC, USA

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P834 Using a Multiple-Model Approach and 3-Dimensional Visualization for Perchlorate Risk Assessment. Albers, Eric*,1, Dixon, Ken1, 1 Texas Tech University, Lubbock, Texas, USA

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P835 TWEM: An Integral Model For Estimating Risks To Wildlife Within ARAMS. Sample, Bradley*,1, 1 CH2M HILL, Sacramento, CA, United States

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P836 Ecological hazard assessment of boron: Consideration for aquatic and terrestrial risk assessments. Schlekat, Christian*,1, Robinson, Sue2, DeForest, David2, Phipps, Terry2, Hubbard, Susan3, 1 U.S. Borax, Inc., Valencia, CA, USA2 Parametrix, Inc., Kirkland, WA, USA3 Borax Europe, Ltd., Guildford, UK, UK

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P837 Generic Assessment Endpoints for Ecological Risk Assessments. Suter, G*,1, Gardner, T1, Rodier, D1, Schwenk, S1, Troyer, M1, Tyler, P1, Wellman, M1, Wharton, S1, White, J1, 1 U.S. EPA, Cincinnati, OH, USA

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P838 Ecological Risk Assessment for Site Management Decision-making at Kesterson Reservoir, CA. Ohlendorf, H*,1, Santolo, G1, Byron, E1, Delamore, M2, 1 CH2M Hill, Sacramento, CA2 U.S. Bureau of Reclamation, Fresno, CA

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P839 Ecological screening levels and environmental monitoring: a 6-year study of cavity-nesting birds. Fair, Jeanne*,1, Mirenda, Richard1, 1 Los Alamos National Laboratory, Los Alamos, New Mexico, USA

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P840 Ranking SWMU remediation using a terrestrial ecological risk assessment. Calhoun, Christy*,1, Gneiding, Laurie1, Harman, Charles1, 1 AMEC Earth and Environmental, Somerset, NJ, USA

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P841 Backcalculation of remediation targets in a probabilistic assessment. Tucker, W.*,1, Ferson, Scott1, 1 Applied Biomathematics, Setauket, New York

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P842 Integrated Water Quality Risk Assessment for a Proposed Golf Course Near Salt Lake City. Cohen, Stuart*,1, Reid, Stephen1, Ma, Qingli1, Barnes, N. LaJan1, 1 Environmental & Turf Services, Inc., Wheaton, MD, USA

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P842a Ecological Risk Assessment Of The Southeast Idaho Phosphate Mining Resource Area. Davis, Joe1, Baker, James*,1, Rose, Lucinda1, Moore, Patrick1, Puett, Michael1, Clegg, Richard2, Fromm, Jeffrey2, 1 Tetra Tech, Inc., Houston, TX2 Idaho Dept. of Environmental Quality, Boise, ID

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