H096
Recent Advances in the Occurrence, Fate, Transport, Transformation, and Remediation of Contaminants in Natural Environments I

Thursday, 10 December 2020: 07:00-08:00
Virtual
Primary Convener:  Dengjun Wang, Oak Ridge Institute for Science and Education, Oak Ridge, TN, United States
Convener:  Chunming Su, US Environmental Protection Agency, Ada, OK, United States
Primary Liaison:  Dengjun Wang, Organization Not Listed, Washington, DC, United States
Chair:  Chunming Su, US Environmental Protection Agency, Ada, OK, United States
OSPA Liaison:  Dengjun Wang, Organization Not Listed, Washington, DC, United States
07:00
3H/3He Groundwater Ages and Discharge of PFAS from Groundwater to a Coastal Plain Stream in North Carolina (672542)
Sandrine Duboscq1, David P Genereux2,3, Troy E Gilmore4, Marie-Amelie Pétré1, Douglas Kip Solomon5, Detlef R. U. Knappe6, Zachary R Hopkins7 and Noelle J. DeStefano7, (1)North Carolina State University Raleigh, Marine, Earth, and Atmospheric Sciences, Raleigh, NC, United States, (2)North Carolina State University, Marine, Earth, and Atmospheric Sciences, Raleigh, NC, United States, (3)North Carolina State University Raleigh, Department of Marine, Earth, and Atmospheric Sciences, Raleigh, NC, United States, (4)University of Nebraska - Lincoln, Biological Systems Engineering Department, Lincoln, NE, United States, (5)University of Utah, Department of Geology and Geophysics, Salt Lake City, UT, United States, (6)North Carolina State University, Department of Civil, Construction, and Environmental Engineering, Raleigh, United States, (7)North Carolina State University Raleigh, Department of Civil, Construction, and Environmental Engineering, Raleigh, NC, United States
07:04
Fate of Hexafluoropropylene Oxide Dimer Acid in Sediments of the Cape Fear River Estuary, North Carolina (663876)
Jennifer Harfmann1, Kate S. Tito2, Robert J Kieber3, Brooks Avery3, Ralph N Mead1, Megumi S Shimizu3, Stephen Andrew Skrabal3 and Joan D Willey3, (1)University of North Carolina at Wilmington, Department of Chemistry and Biochemistry, Wilmington, NC, United States, (2)University of North Carolina at Wilmington, Department of Chemistry and Biochemistry, Wilmington, United States, (3)University of North Carolina Wilmington, Department of Chemistry and Biochemistry, Wilmington, NC, United States
07:08
A mathematical model for the release, transport, and retention of per- and polyfluoroalkyl substances (PFAS) in the vadose zone (758391)
Bo Guo1, Jicai Zeng1 and Mark L Brusseau2, (1)University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (2)University of Arizona, Department of Environmental Science, Tucson, AZ, United States
07:12
Modeling the long-term retention and leaching of PFAS in the vadose zone (705679)
Jicai Zeng, University of Arizona, Hydrology and Atmospheric Sciences, Tucson, AZ, United States, Mark L Brusseau, University of Arizona, Department of Environmental Science, Tucson, AZ, United States and Bo Guo, University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States
07:16
PFAS Distribution in Contaminated Soils and Impact on Rhizosphere and Plant Microbiota (746745)
Lucia Rodriguez-Freire, New Jersey Institute of Technology, Department of Civil and Environmental Engineering, Edison, NJ, United States, Boran Wang, New Jersey Institute of Technology, Department of Civil and Environmental Engineering, Newark, NJ, United States and James White, Rutgers University New Brunswick, Department of Plant Biology, New Brunswick, NJ, United States
07:20
Transformation products and reaction mechanisms of UV/sulfite remediation of PFOS, PFOA, PFBS, and GenX desorbed from carbon nanotubes (760985)
Bailey Bowers1, Zimo Lou2, Jiang Xu3, Yuan Gu3, Xinhua Xu4, Gregory V Lowry3 and Ryan C Sullivan1, (1)Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, PA, United States, (2)Zhejiang Univ of Technology, Hangzhou, China, (3)Carnegie Mellon University, Department of Civil and Environmental Engineering, Pittsburgh, PA, United States, (4)Zhejiang University, Department of Environmental Engineering, Hangzhou, China
07:24
Enhancing the Efficiency of a Permeable Reactive Barrier in Remediating Trichloroethylene in a Contaminated Groundwater Using an Amended Trench (772840)
Shahrzad Saffari Ghandehari1, Dana Jackson2, Cathleen J Hapeman3, Alba Torrents4, Birthe Kjellerup5, Jessica Boyer5 and Dana Ronin5, (1)College Park, MD, United States, (2)USDA Beltsville Agricultural Research Center, Beltsville, United States, (3)USDA Beltsville Agricultural Research Center, Beltsville, MD, United States, (4)University of Maryland College Park, College Park, United States, (5)University of Maryland College Park, College Park, MD, United States
07:28
Mitigation of the Herbicide Metolachlor in a Fractured Bedrock Aquifer: Insights from Multi-Element Compound-Specific Stable Isotope Analysis (753015)
Violaine Ponsin1,2, Carlos Henrique Maldaner1, Landon J. S. Halloran2, Beth L Parker1 and Daniel Hunkeler2, (1)University of Guelph, College of Engineering & Physical Sciences - G360 Institute for Groundwater Research, Guelph, ON, Canada, (2)University of Neuchâtel, Centre for Hydrogeology and Geothermics, Neuchâtel, Switzerland
07:32
Discussion
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