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Records 1 to 25 of 56 records from author Stephen Hutchins

2022
Weitzman, J., J. Renee Brooks, J. Compton, B. Faulkner, P. Mayer, R. Peachey, W. Rugh, R. Coulombe, B. Hatteberg, AND S. Hutchins. Deep soil nitrogen storage slows nitrate leaching through the vadose zone. AGRICULTURE, ECOSYSTEMS & ENVIRONMENT. Elsevier Science Ltd, New York, NY, 332:107949, (2022). https://doi.org/10.1016/j.agee.2022.107949
Weitzman, J., J. Renee Brooks, J. Compton, B. Faulkner, R. Peachey, W. Rugh, R. Coulombe, B. Hatteberg, AND S. Hutchins. Tracking fertilizer flushing through the vadose zone using the dual stable isotopes of water and nitrate. AGU 2022 Fall Meeting, Chicago (& Virtual), IL, December 12 - 16, 2022.
Hutchins, S., J. Weitzman, Jacqueline Brooks, J. Compton, B. Faulkner, S. Pearlstein, R. Peachey, M. White, AND R. Coulombe. Using Vadose Zone Instruments and Post-Harvest Soil Nitrogen to Evaluate Nutrient Transport at an Agricultural Field Site. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-22/070, 2022.
2021
Weitzman, J., J. Renee Brooks, J. Compton, B. Faulkner, P. Mayer, R. Peachey, W. Rugh, R. Coulombe, B. Hatteberg, AND Steve Hutchins. Deep soil nitrogen storage decreases nitrate leaching through the vadose zone. American Geophysical Union Annual Meeting, New Orleans & virtual, Louisiana & Virtual, December 13 - 17, 2021.
Compton, J., J. Renee Brooks, J. Weitzman, A. Henning, S. Pearlstein, R. Coulombe, L. Erban, B. Hatteberg, C. Piscitelli, J. Selker, B. Faulkner, P. Mayer, R. Peachey, W. Rugh, AND Steve Hutchins. From field to groundwater: Quantifying crop nitrogen budgets, performance metrics and nitrate leaching in the southern Willamette Valley, OR. SWV-GWMA Fall Meeting, NA, October 07, 2021.
Compton, J., J. Weitzman, J. Renee Brooks, A. Henning, S. Pearlstein, R. Coulombe, L. Erban, B. Hatteberg, C. Piscitelli, J. Selker, B. Faulkner, P. Mayer, E. Peachey, W. Rugh, AND S. Hutchins. From field to groundwater: Quantifying crop nitrogen budgets, performance metrics and nitrate leaching in the southern Willamette Valley, OR. Oregon Department of Environmental Quality (DEQ) Groundwater Technical Advisory Team, Corvallis, OR, December 09, 2021.
Brooks, J. Renee, J. Weitzman, Steve Hutchins, B. Falkner, W. Rugh, P. Mayer, R. Coulombe, B. Hatteberg, AND J. Compton. The influence of depth within the soil on isotope ratios of mobile lysimeter water in an agricultural vadose zone. AGU 2021 Fall Meeting, New Orleans, LA, December 13 - 17, 2021.
2018
Brooks, J. Renee, Steve Hutchins, Bart Faulkner, S. Pearlstein, W. Rugh, K. Willard, R. Coulombe, AND J. Compton. An Isotopic View of Water and Nitrate Transport Through the Vadose Zone in Oregon’s Southern Willamette Valley’s Groundwater Management Area (S-GWMA). 27th PNW-SETAC Annual Conference, Corvallis, Oregon, March 08 - 10, 2018.
2017
Brooks, J. Renee, S. Pearlstein, Steve Hutchins, Bart Faulkner, W. Rugh, K. Willard, R. Coulombe, AND J. Compton. An Isotopic view of water and nitrogen transport through the vadose zone. Invited speaker to ETH Zurich, Switzerland, Zurich, N/A, SWITZERLAND, May 22 - 26, 2017.
Brooks, J. Renee, S. Pearstein, Steve Hutchins, Bart Faulkner, W. Rugh, K. Willard, R. Coulombe, AND J. Compton. An Isotopic view of water and nitrogen transport through the vadose zone in Oregon's southern Willamette Valley's Groundwater Management Area. Ecological Society of American Annual Meeting, Portland, Oregon, August 07 - 11, 2017.
Brooks, J. Renée, S. Pearlstein, Steve Hutchins, Bart Faulkner, W. Rugh, K. Willard, R. Coulombe, AND J. Compton. An Isotopic view of water and nitrogen transport through the vadose zone. American Geophysical Union Annual Meeting, New Orleans, LA, December 11 - 15, 2017.
2012
HUTCHINS, STEVE, M. V. WHITE, AND S. C. MRAVIK. Case Studies on the Impact of Concentrated Animal Feeding Operations (CAFOs) on Ground Water Quality. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-12/052, 2012.
CARDON, M. C., P. C. HARTIG, V. S. WILSON, L. Yonkos, AND S. R. HUTCHINS. In vitro assessment of estrogenic bioactivity in complex environmental effluents. Presented at Society of Toxicology (SOT) Annual Meeting, San Francisco, CA, March 11, 2011 - March 15, 2012.
HUTCHINS, S. R. AND R. T. WILKIN. Performance Monitoring: Evaluating a Wheat Straw PRB for Nitrate Removal at an Agricultural Operation. IN: Technology News & Trends, U.S. EPA Office of Superfund Remediation and Technology Innovation, Washington, DC, (60):2-5, (2012).
2008
ACHESON, C. M., M. MILLS, STEVE HUTCHINS, T. M. MARTIN, G. D. SAYLES, K. M. SCHENCK, AND D. M. YOUNG. ENDOCRINE DISRUPTING CHEMICAL RISK MANAGEMENT RESEARCH IN THE US EPA'S OFFICE OF RESEARCH AND DEVELOPMENT. Presented at American Institute Of Chemical Engineers (AIChE) Annual Meeting, Philadelphia, PA, November 17 - 21, 2008.
HUTCHINS, S. R. EPA Research Evaluating CAFO Impacts on Ground Water Quality. Presented at The University of Lincoln, Nebraska, Lincoln, NE, April 30, 2008.
HUTCHINS, S. R. GWERD CAFO Research Program – CAFO Impacts on Ground Water Quality. Presented at A teleconference with OW and Assoc. of State and Inter State Water Pollution Control Administrators, Ada, OK, December 17, 2008.
BRADFORD, S. A., E. SEGAL, W. ZHENG, Q. WANG, AND S. R. HUTCHINS. Reuse of Concentrated Animal Feeding Operating Wastewater on Agricultural Lands. JOURNAL OF ENVIRONMENTAL QUALITY. American Society of Agronomy, MADISON, WI, 37(5):S97-S115, (2008).
2007
HUTCHINS, S. R., M. V. WHITE, F. M. HUDSON, AND D. D. FINE. ANALYSIS OF LAGOON SAMPLES FROM DIFFERENT CONCENTRATED ANIMAL FEEDING OPERATIONS (CAFOS) FOR ESTROGENS AND ESTROGEN CONJUGATES (PRESENTATION). Presented at Federal EDC Workshop, Reston, VA, February 20 - 22, 2007.
HUTCHINS, S. R., M. V. WHITE, F. M. HUDSON, AND D. D. FINE. ANALYSIS OF LAGOON SAMPLES FROM DIFFERENT CONCENTRATED ANIMAL FEEDING OPERATIONS FOR ESTROGENS AND ESTROGEN CONJUGATES. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 41(3):738-744, (2007).
HUTCHINS, S. R. ASSESSING POTENTIAL FOR GROUND AND SURFACE WATER IMPACTS FROM HORMONES IN CAFOS. Presented at The US EPA Workshop on Fate and Effects of Hormones in Waste from Concentrated Animal Feeding Operations, Chicago, IL, August 20 - 22, 2007.
2006
WILKIN, R. T., S. R. HUTCHINS, T. R. LEE, AND B. SCROGGINS. CARBON-BASED REACTIVE BARRIER FOR NITRATE REMEDIATION AT A FORMER SWINE CAFO. Presented at 2nd International Conference on Environmental Science and Technology, Houston, TX, August 19 - 22, 2006.
WILKIN, R. T., S. R. HUTCHINS, T. R. LEE, AND B. SCROGGINS. PERFORMANCE EVALUATION OF A CARBON-BASED REACTIVE BARRIER FOR NITRATE REMEDIATION. Presented at RTDF Meeting, Charleston, SC, October 11 - 13, 2006.
WILKIN, R. T., S. R. HUTCHINS, T. R. LEE, AND B. SCROGGINS. PERFORMANCE EVALUATION OF A CARBON-BASED REACTIVE BARRIER FOR NITRATE REMEDIATION. RTDF Meeting, Charleston, SC, October 11 - 13, 2006.
2005
MILLS, M. A., STEVE HUTCHINS, J. M. LAZORCHAK, AND G. ANKLEY. CONCENTRATED ANIMAL FEEDING OPERATIONS AS A SOURCE OF EDCS AND THEIR MANAGEMENT. To be Presented at 2005 EPA Science Forum, Washington, DC, May 16 - 18, 2005.