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See all EPA publications for Richard Zepp Include records from any date Include records from any EPA source

Records 26 to 50 of 53 records from [ORD-NERL] published between 08/21/2013 and 08/21/2018 from author Richard Zepp

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2016

Zepp, R., M. Molina, Mike Cyterski, G. Whelan, R. Parmar, K. Wong, B. Acrey, AND R. Georgacopoulous. Process Relationships for Evaluating the Role of Light-induced Inactivation of Coliphages at Selected Beaches and Nearby Tributaries of the Great Lakes. 2016 Recreational Waters Conference, New Orleans, LA, April 12 - 15, 2016.

Zepp, R., D. Bouchard, W. Hou, C. Chen, B. Acrey, X. Chang, Matt Henderson, S. Martin, AND Chris Knightes. Roles of Direct and Indirect Light-Induced Transformations of Carbon Nanomaterials in Exposures in Aquatic Systems. SETAC North America 37th Annual Meeting, Orlando, FL, November 06 - 10, 2016.

2015

Henderson, Matt, I. Chowdhury, W. Hou, X. Chang, S. Martin, R. Zepp, AND D. Bouchard. Assessing the exposure and toxicological implications of environmental transformations of graphene oxide using in vitro methods. 250th American Chemical Society National Meeting & Exposition, Boston, MA, August 16 - 20, 2015.

Erickson, D., B. Sulzberger, R. Zepp, AND A. Austin. Effects of Stratospheric Ozone Depletion, Solar UV Radiation, and Climate Change on Biogeochemical Cycling: Interactions and Feedbacks. PHOTOCHEMICAL AND PHOTOBIOLOGICAL SCIENCES. Royal Society of Chemistry, Cambridge, Uk, 14(1):127-148, (2015).

Whelan, G., M. Pelton, M. Molina, R. Zepp, J. Ravenscroft, AND Y. Pachepsky. Microbial Properties Database Editor Tutorial. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/B-15/275, 2015.

Hou, W., I. Chowdhury, D. Goodwin, Matt Henderson, D. Fairbrother, D. Bouchard, AND R. Zepp. Photochemical Transformation of Graphene Oxide in Sunlight. ENVIRONMENTAL SCIENCE AND TECHNOLOGY. John Wiley & Sons, Ltd., Indianapolis, IN, 49(6):3435-3443, (2015).

Hou, W., I. Chowdhury, D. Goodwin, Matt Henderson, D. Fairbrother, D. Bouchard, AND R. Zepp. Photochemical transformation of graphene oxide in sunlight (journal). ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 49(6):3435-3443, (2015).

Barnes, B., P. Hallock, C. Hu, F. Muller-Karger, D. Palandro, C. Walter, AND R. Zepp. Prediction of Coral Bleaching in the Florida Keys Using Remotely Sensed Data. CORAL REEFS. Springer, New York, NY, 34(2):491-503, (2015).

Chen, C. AND R. Zepp. Probing Photosensitization by Functionalized Carbon Nanotubes. ENVIRONMENTAL SCIENCE & TECHNOLOGY. American Chemical Society, Washington, DC, 49(23):13835-13843, (2015).

Whelan, G., K. Wolfe, R. Parmar, M. Galvin, M. Molina, R. Zepp, K. Kim, M. Gray, AND P. Duda. Quantitative Microbial Risk Assessment Tutorial: Land-applied Microbial Loadings within a 12-Digit HUC. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/B-15/298, 2015.

Whelan, G., K. Wolfe, R. Parmar, M. Galvin, M. Molina, R. Zepp, AND K. Kim. Quantitative Microbial Risk Assessment Tutorial: Navigate the SDMPB and Identify an 8-digit HUC of Interest. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/B-15/273, 2015.

Whelan, G., K. Wolfe, R. Parmar, M. Galvin, M. Molina, R. Zepp, M. Gray, P. Duda, AND K. Kim. Quantitative Microbial Risk Assessment Tutorial: Pour Point Analysis of Land-applied Microbial Loadings and Comparison of Simulated and Gaging Station Results. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/B-15/290, 2015.

Whelan, G., K. Wolfe, R. Parmar, M. Galvin, M. Molina, R. Zepp, M. Gray, P. Duda, AND K. Kim. Quantitative Microbial Risk Assessment Tutorial: Using NLDAS and NCDC Meteorological Data. U.S. EPA Office of Research and Development, Washington, DC, EPA/600/B-15/299, 2015.

Oladeinde, A., E. Lipp, C. Chen, R. Zepp, AND M. Molina. Re-growth of fecal indicator bacteria and Escherichia coli 0157:H7 B6914 in cow fecal extract. International Symposium on Waterborne Pathogens, Savannah, GA, April 13 - 14, 2015.

Chowdhury, I., W. Hou, D. Goodwin, Matt Henderson, R. Zepp, AND D. Bouchard. Sunlight affects aggregation and deposition of graphene oxide in the aquatic environment. WATER RESEARCH. Elsevier Science Ltd, New York, NY, 78(1):37-46, (2015).

Zepp, R., D. Bouchard, W. Hou, Chris Knightes, Matt Henderson, I. Chowdhury, C. Chen, H. Fairbrother, D. Goodwin, AND L. Kong. Sunlight-induced Transformations of Graphene-based Nanomaterials in Aquatic Environments. ACS National Meeting & Exposition, Boston, MA, August 17 - 20, 2015.

2014

Whelan, G., K. Kim, M. Pelton, J. Soller, K. Castleton, M. Molina, Y. Pachepsky, AND R. Zepp. An integrated environmental modeling framework for performing Quantitative Microbial Risk Assessments. ENVIRONMENTAL MODELLING & SOFTWARE. Elsevier Science, New York, NY, 55:77-91, (2014).

Molina, M., Mike Cyterski, G. Whelan, AND R. Zepp. Comparing Data Input Requirements of Statistical vs. Process-based Watershed Models Applied for Prediction of Fecal Indicator and Pathogen Levels in Recreational Beaches. Presented at AGU Fall Meeting, San Francisco, CA, December 15 - 19, 2014.

Hou, W., I. Chowdhury, D. Goodwin, Matt Henderson, H. Fairbrother, D. Bouchard, AND R. Zepp. Direct and Indirect Phototransformation of Graphene Oxide in Sunlight. Presented at 248th National Meeting of the American Chemical Society, San Francisco, CA, August 11 - 14, 2014.

Zepp, R., O. Okungbowa, A. Andrady, J. Locklin, AND R. Arnold. Influence of Pro-Oxidant on Photodegradation of a Low-Density Polyethylene-Nanosilica Composite. Presented at Nanotech 2014, Washington, DC, June 15 - 18, 2014.

Zepp, R., Mike Cyterski, K. Kisselle, A. Kozovits, AND M. Bustamante. Photoproduction of Carbon Monoxide from Natural Organic Matter. Presented at 248th ACS National Meeting, San Francisco, CA, August 11 - 14, 2014.

Kingston, C., R. Zepp, A. Andrady, D. Boverhof, R. Fehir, D. Hawkins, J. Roberts, P. Sayre, B. Shelton, Y. Sultan, V. Vejins, AND W. Wohlleben. Release characteristics of selected carbon nanotube polymer composites. CARBON. Pergamon Press Ltd., New York, NY, 68:33-57, (2014).

Chen, C. AND R. Zepp. Solar light-induced production of reactive oxygen species by single walled carbon nanotubes in water. Presented at Gordon Research Conference, Environmental Sciences: Water, Holderness, NH, June 21 - 27, 2014.

Williamson, C., R. Zepp, R. Lucas, S. Madronich, A. Austin, C. Ballare, M. Norval, B. Sulzberger, A. Bais, R. McKenzie, S. Robinson, D. Hader, N. Paul, AND J. Bornman. Solar ultraviolet radiation in a changing climate. Nature Climate Change. Nature Publishing Group, New York, NY, 4(6):434-441, (2014).

Whelan, G., K. Kim, R. Parmar, K. Wolfe, M. Galvin, P. Duda, M. Gray, M. Molina, R. Zepp, Y. Pachepsky, J. Ravenscroft, L. Prieto, AND B. Kitchens. Using Integrated Environmental Modeling to Automate a Process-Based Quantitative Microbial Risk Assessment (presentation). Presented at International Environmental Modelling and Software Society (iEMSs), San Diego, CA, June 15 - 19, 2014.