Research Activities

Presentations by EPA's Exposure Researchers

For September 2008 - December 2008, ordered by date

September 2008

Presented at Metabolomics Society's 4th Annual International Conference, Boston, MA, September 02 - 06, 2008. More information about the Metabolomics Society's 4th Annual International Conference.

Teng, Q., W. Huang, D. R. Ekman, and T. W. Collette. Metabolic Changes Caused by Ethinylestradiol in Human Breast Cancer Cells as Observed by NMR Spectroscopy.
Ekman, D. R., Q. Teng, W. Huang, and T. W. Collette. Toxicity Assessment of 17 alpha-ethinylestradiol by Cell-Culture Based NMR Metabolomics.
Huang, W., Q. Teng, D. R. Ekman, and T. W. Collette. Hepatotoxicity of Chlorpyrifos in Zebrafish Liver Cells by NMR-based Metabolomics.

Presented at Third Interagency Conference on Research in the Watersheds, Estes Park, CO, September 08 - 11, 2008. More information about the Interagency Conference on Research in the Watersheds

Golden, H. E., C. D. Knightes, E. Cooter, and R. L. Dennis. Modeled Watershed Runoff Associated with Variations in Precipitation Data with Implications for Contaminant Fluxes.
Kepner, W. G., D. J. Semmens, M. Hernadez, and D. Goodrich. Evaluating Hydrological Response to Forecasted Land-Use Change: Scenario Testing With Automated Geospatial Watershed Assessment Tool.

Presented at XVI International Conference of the Society for Human Ecology, Bellingham, WA, September 10 - 13, 2008. More information about the XVI International Conference of the Society for Human Ecology.

Ruhoy, I. and C. G. Daughton. 2nd Slide Presentation - Discarded Drugs as Environmental Contaminants.

Presented at Great Lakes Beaches Association Annual Meeting, Porter, IN, September 15 - 17, 2008. More information about the Great Lakes Beaches Association Annual Meeting.

Siefring, S., R. A. Haugland, and L. J. Wymer. Evaluation of Commercial Cell Preparations as Sources of Calibration Standards for Real-Time qPCR Analysis of Enterococci in Recreational Waters.

Presented at ISC 2008 - 27th International Symposium on Chromatography, Munster, Germany, September 21 - 25, 2008. More information about ISC 2008 - 27th International Symposium on Chromatography.

Richardson, S. D. The Next Generation of Disinfection By-Products.

Presented at American Chemical Society 42nd Western Regional Meeting, Las Vegas, NV, September 23 - 27, 2008. More information about the American Chemical Society 42nd Western Regional Meeting

Bouchard, D., X. Ma, and C. Isaacson. Characterizing Fullerene Nanoparticles in Aqueous Suspensions.
Osemwengie, L. I. Slide Presentation--Determination of Synthetic Musk Compounds in Municipal Wastewater and Estimating Biota Exposure in the Receiving Waters.
Osemwengie, L. I., G. Sovocool, and M. Liberdoni. Analysis of 209 Chlorinated Biphenyl Congerners Using Comprehensive Two-Dimensional Gas Chromatography-Time-of-Flight Mass Spectrometry in the 1-D Mode Followed By the 2-D Mode.
Rosal, C. G. and L. D. Betowski. Sunscreen Agents in the Environment: Determination By HPLC-ESI-MS/MS and GC-MS and Calculation of Phototoxicity.
Osemwengie, L. I. Determination of Synthetic Musk Compounds in Municipal Wastewater and Estimating Biota Exposure in the Receiving Waters.
Grange, A. H. and G. Sovocool. An Inexpensive Autosampler and Field Sample Carrier to Provide Semi-Quantitative Maps for Dispersed Chemicals with High Spatial Resolution Using Ambient-Air Mass Spectrometry.
Grange, A. H. An Inexpensive Autosampler and Field Sample Carrier to Provide Semi-Quantitative Maps for Dispersed Chemicals with High Spatial Resolution Using Ambient-Air Mass Spectrometry.
Jones-Lepp, T. L. Tracing the Sources of Macrolide Antibiotics and Illicit Drugs into the Lower Colorado River Basin.
Varner, K. E., B. A. Schumacher, and E. M. Heithmar. Sampling and Analysis of Nanomaterials in the Environment: A State-of-Science Review.

October 2008

Presented at 1st International Conference on Hazardous Waste Management, Chania, Greece, October 01 - 03, 2008. More information about the 1st International Conference on Hazardous Waste Management.

Babendreier, J. E. Risk Reduction from Minimization of Persistent, Bioaccumulative, and Toxic Waste Materials Within the U.S. Industrial Solid Waste Management System.

Presented at SETAC 2008 Ohio Valley Chapter, Bloomington, IN, October 03, 2008. More information about the SETAC 2008 Ohio Valley Chapter.

Kostich, M. and J. M. Lazorchak. Estimating Aquatic Hazards Posed by Prescription Pharmaceutical Residues from Municipal Wastewater.

Presented at 35th Annual Aquatic Toxicity Workshop, Saskatoon, SK, Canada, October 05 - 08, 2008. More information about the 35th Annual Aquatic Toxicity Workshop.

Ekman, D. R., T. W. Collette, Q. Teng, G. T. Ankley, E. J. Durhan, K. M. Jensen, M. D. Kahl, D. Martinovic, and D. L. Villeneuve. Investigating Adaptive, Compensatory, and Toxic Responses of Fathead Minnow (Pimephales promelas) Exposed to 17a-ethynylestradiol using NMR-based Metabolite Profiling.

Presented at 2008 Joint ISEE-ISEA Conference, Pasenda, CA, October 12 - 16, 2008. More information about the 2008 Joint ISEE-ISEA Conference.

Li, L. and A. P. Dufour. Interferon Gamma as a Biomarker of Exposure to Enteric Viruses.

Presented at IHP 2008: The Role of Hydrology in Water Resources Management, Capri, Italy, October 13 - 16, 2008. More information about IHP 2008: The Role of Hydrology in Water Resources Management.

Croley, T. E., C. He, C. DeMarchi, and D. Raikow. Managing Saginaw Bay nutrient loading by surrounding watersheds through near real time hydrologic resource sheds.

Presented at AGU Chapman Conference on Biogeophysics, Portland, ME, October 13 - 16, 2008. More information about AGU Chapman Conference on Biogeophysics.

Vukengkeng, C., E. Atekwana, E. Atekwana, W. Sauck, J. Nolan, and D. D. Werkema. Using Geophysical Signatures to Investigate Temporal Changes Due to Source Reduction in the Subsurface Contaminated with Hydrocarbons.
Davis, C., L. Pyrak-Nolte, E. Atekwana, M. Haugen, and D. D. Werkema. Investigating the Effect of Microbial Growth and Biofilm Formation on Seismic Wave Propagation in Sediment.

Presented at Ecosystem Services Conference, Beijing, China, October 13 - 17, 2008.

Johnston, J. M., G. F. Laniak, R. R. Lassiter, R. Boumans, D. Ames, and K. Reckhow. Ecosystem Services Modeling Infrastructures: Simile/MIMES (Gund Institute) and FRAMES/3MRA (US EPA) Integrated Modeling for Forecasting.

Presented at Environmental Mutagen Society Annual Meeting, Rio Grande, Puerto Rico, October 18 - 22, 2008. More information about Environmental Mutagen Society Annual Meeting.

Richardson, S. D. Formation and Occurrence of Disinfection By-Products.

Presented at 5th Biennial CALFED Science Conference 2008, Sacramento, CA, October 22 - 24, 2008. More information about 5th Biennial CALFED Science Conference 2008.

Riordan, D. and A. D. Biales. In-Situ Exposure of Fish for Biomarker Experimentation at Department of Water Resources (DWR) Real-Time Monitoring Sites.

Presented at Southeastern Environmental Flows Partnership Conference, Athens, GA, October 27 - 29, 2008. More information about Southeastern Environmental Flows Partnership Conference.

Mohamoud, Y. M. and S. R. Kraemer. Environmental Flow Modeling Challenges for Rapidly Urbanizing Watersheds.
Rashleigh, B., S. T. Purucker, L. M. Prieto, L. A. Suarez, and R. B. Ambrose. The Response of Fish Habitat to Environmental Flows in the Albemarle-Pamlico Watershed.

November 2008

Presented at AWWA Water Quality Technology Conference and Exposition, Cincinnati, OH, November 16 - 20, 2008. More information about AWWA Water Quality Technology Conference and Exposition.

Krasner, S. W., T. Lee, R. Chinn, H. Weinberg, N. Bodin, S. D. Richardson, J. G. Pressman, T. F. Speth, R. J. Miltner, and J. E. Simmons. Bromine Incorporation in Regulated and Emerging DBPs and the Relative Predominance of Mono-, Di-, and Trihalogenated DBPs.

Presented at SETAC 29th Annual Meeting, Tampa, FL, November 16 - 20, 2008. More information about SETAC 29th Annual Meeting.

Garrison, A. W., J. K. Avants, and W. J. Jones. Conazole Fungicides as Chiral Environmental Contaminants: Enantiomer Analysis and Enantioselectivity in Soil Slurries.
Rashleigh, B., M. C. Barber, and D. M. Walters. Recovery of a PCB-Contaminated Creek Fish Community.
Meier, J. R., S. Snyder, V. Sigler, D. Altfater, M. Gray, W. Batin, P. Baumann, D. A. Gordon, P. A. Wernsing, and J. M. Lazorchak. An Integrated Assessment of Dredging Remediation of a Midwestern Stream Using Sediment Chemistry, Water Quality, Bioassessment and Fish Biomarkers.
Quinlan, E. L., C. T. Nietch, J. M. Lazorchak, and R. A. Griffiths. Consequences of Tetracycline Exposure to Stream Periphyton in an Experimental Mesocosm Study.
Biales, A. D., K. T. Ho, R. M. Burgess, M. M. Perron, M. Kostich, and M. Reiss. Integration of Genomic Endpoints into Toxicity Identification Evaluations.
Flick, R. W., J. M. Lazorchak, and J. Oris. Effects of Hypoxia on the Response of Fish to Estrogen Exposure.
Bradford, D. L., E. M. Heithmar, N. G. Tallent-Halsell, G. Momplaisir, C. G. Rosal, K. E. Varner, L. A. Riddick, and M. S. Nash. Temporal Patterns of Airborne Pesticides in Alpine Lakes of the Sierra Nevada, California.

Presented at Amazon in Perspective: International Science Conference, Manaus, Brazil, November 17 - 20, 2008. More information about Amazon in Perspective: International Science Conference.

Zepp, R. G., M. Molina, M. J. Cyterski, K. Kisselle, A. R. Kozovits, M. R. Silva, D. A. da Silva, and M. M. Bustamante. Light-Induced Decomposition of Surface Litter from the Cerrado in Central Brazil.

December 2008

Presented at International Conference on Water Scarcity, Global Changes, and Groundwater Management Responses, Irvine, CA, December 01 - 05, 2008. More information about the International Conference on Water Scarcity, Global Changes, and Groundwater Management Responses.

Ashbolt, N. Reconfiguration of Water-Energy Systems for Healthy and Sustainable Urban Water Management.

Presented at the Conference on Ecosystem Services, Naples, FL, December 08 - 11, 2008. More information about the Conference on Ecosystem Services.

Kepner, W. G., D. Semmens, M. Hernandez, AND D. Goodrich. Evaluating Hydrological Response to Forecasted Land-Use Change: Scenario Testing in Two Western U.S. Watersheds.
Allen, P., R. D. Lopez, M. S. Nash, J. Christensen, N. G. Tallent-Halsell, L. C. Butler, A. M. Pitchford, and A. C. Neale. The Landscape Framework for the Spatial Characterization and Mapping of Ecosystem Services: What Is the State of the Science?

Presented at the American Geophysical Union Fall Meeting, San Francisco, CA, December 15 - 19, 2008. More information about the American Geophysical Union Fall Meeting.

Gorokhovski, V. M. and J. W. Weaver. Numerical Modeling of One-Dimensional Steady-State Flow and Contaminant Transport in a Horizontally Heterogeneous Unconfined Aquifer with an Uneven Base.
Golden, H. E. and C. D. Knightes. Modeling Watershed Mercury Response to Atmospheric Loadings: Response Time and Challenges.