Location and Sponsor Information

Unless otherwise noted, seminars are held at the Kentucky Department for Environmental Protection in Frankfort, Ky. This seminar series is co-sponsored by UK Superfund Research Center, the Kentucky Water Resources Research Institute, and the Kentucky Division of Waste Management, KDEP.

2018 Seminars


Vapor Intrusion Science for Commercial Buildings.
Thursday, May 17, 2018
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Join us on Thursday, May 17, 2018, for “Vapor Intrusion Science for Commercial Buildings,” featuring guest speaker Dr. Todd McAlary. The seminar, presented by the University of Kentucky Superfund Research Center and the Kentucky Department for Environmental Protection, will include a discussion of vapor intrusion assessment approaches including high volume sampling and mass flux monitoring, and several case studies to illustrate when different assessment and mitigation strategies are warranted for vapor intrusion in commercial buildings.

Dr. Todd McAlary has more than 25 years of international consulting experience focused on the evaluation of contaminant fate and transport in soil and groundwater. He specializes in assessing and mitigating the migration of volatile organic compound (VOC) vapor from the sub-surface environment into buildings and in the assessment of human health risks associated with inhalation exposure. McAlary has contributed to more than a dozen EPA VI guidance documents during the past decade. He also is a member of the U.S. EPA's Expert Panel on VI and teaches short courses on VI at conferences and workshops. McAlary currently serves as Geosyntec's VI practice leader, coordinating company-wide training, protocol development, marketing, and recruiting related to these services. He also provides technical consultation to clients in support of litigation involving several VI challenges and is a technical specialist in regulatory negotiations involving groundwater contamination and VI issues where his expertise and communication skills have been critical to stakeholder understanding of the complex nature of the topics.


2017 Seminars


Poly- and perfluoroalkyl substances (PFAS) in groundwater: An overview of chemistry, sources, fate/transport, and remediation.
Wednesday, February 22, 2017
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Dr. Guelfo will present on how poly- and perfluoroalkyl substances (PFAS) have faced increased scrutiny by federal and state regulatory agencies, impacted populations, mainstream media, and social media. For example, the EPA recently issued lifetime health advisories for perfluorooctanoic acid (PFOA) and perfluorooctane sulfonate (PFOS) in drinking water of 0.7 μg/L. Some states have opted to regulate PFOS, PFOA, and additional PFAS in drinking water at similar or lower levels, emphasizing a need for a complete understanding of sources, fate/transport, and toxicology as well as effective tools for groundwater remediation. PFAS are compounds with unique chemistry that can include surfactant properties, resistance to degradation, and both hydro- and lipophobicity. As a result they have been used in a variety of consumer and industrial products including non-stick cookware, food paper packaging products, stain repellant sprays, and firefighting foams. These same properties also lead to the extreme recalcitrance of some PFAS in the environment. This recalcitrance coupled with widespread use has led to global low-level PFAS distribution, with more elevated concentrations in groundwater measured near some sources such as manufacturing facilities and fire training areas. Once released, fate and transport will be governed by processes such as sorption and precursor transformation and may be influenced by the presence of contaminant mixtures. To date, studies of conventional in situ methods such as chemical oxidation have found these approaches incapable of full destruction of the wide range of PFAS found in subsurface environments, so ex situ techniques may be more appropriate for addressing immediate remediation requirements. Studies of PFAS at the lab, bench, and field scale provide insights into the current state of science and biggest challenges still faced in understanding fate, transport, and remediation of this unique class of compounds.




Advanced Composites for In Situ Remediation of Groundwater and Surface Waters
Wednesday, September 13, 2017
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Abstract: Alexis Wells Carpenter PhD is Principal Investigator at AxNano, a small business entity with over 30 years’ experience developing early stage technologies to address specific market needs. Dr. Carpenter’s expertise is in the design and application of multifunctional nanomaterials for use in environmental and biomedical markets. AxNano is developing a range of composite materials for remediation of contaminated water with a focus on tunability, low-cost, ease of use, and environmentally friendly materials. This seminar will focus on two amendments AxNano is developing in their RemRxTM platform for in situ chemical remediation. RemRxTM CRP is a controlled release material for ISCO that AxNano is developing in collaboration with Professor Stephanie LusterTeasley at North Carolina A&T. The highly tunable polymeric pellets can provide sustained levels of oxidant delivery into the subsurface with a single application, eliminating the occurrence of rebounding. Permanganate and persulfate-based CRPs are available for pilot scale field testing. AxNano is also developing RemRxTM CSI, a zero valent iron-based composite with functionalities to improve both reactivity and transport compared to current ZVI formulations on the market. The ZVI technology is being developed in collaboration with University of Arkansas Professor Lauren Greenlee. AxNano has received federal funding through the Small Business Innovative Research programs of the National Science Foundation, the National Institutes of Environmental Health Sciences’ Superfund Research Program, and the National Institute of Standards and Technology in support of developing these remediation technologies. We are currently looking for pilot testing sites for both the controlled release CRPs for ISCO and the zero valent iron CSIs for ISCR.


2016 Seminars


From Membrane Biofouling Control to Aquaporin Channels
Isabel Escobar, PhD, from the University of Kentucky
Wednesday, January 13, 2016
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Dr. Escobar recently joined the University of Kentucky’s Department of Chemical and Material Engineering. Previously she was a professor and associate Dean for Research Development and Outreach for the College of Engineering at the University of Toledo. Her main research emphasis is on sustainable water treatment.  She develops novel membrane technologies to treat a range of environmental contaminants. During the 2014 water crisis in Lake Erie (algal blooms and the impact on regional water supply), she worked closely with officials and made numerous media appearances addressing concerns over water safety.


Hope Lee, PhD, from the Pacific Northwest National Laboratory
Wednesday, February 17, 2016

Dr. Lee is formally trained in environmental microbiology and oceanography. Hope has specialized in the development and validation of microbial characterization and monitoring tools for use in environmental remediation for the past 12 years, and her work includes diverse clients including the US Air Force, Army, Navy, DOE, EPA, and private industry. She is an active member of ITRC and is currently serving as a technical lead for the Environmental Diagnostics Team.


Frank Loeffler, PhD, MS, from the University of Tennessee
Wednesday, April 20, 2016

Dr. Loeffler’s research centers on discovering microorganisms with novel properties to clean the environment, counter damage done to ecosystems by human activity, and improve environmental health. He examines how naturally occurring bacteria can eliminate or reduce the risk from pollutants including chlorinated solvents, radioactive wastes and greenhouse gases. His research also investigates new kinds of bacteria in an effort to develop innovative technologies for environmental monitoring and protection.


2015 Seminars

Update on the Sewer Gas to Indoor Air Pathway for Vapor Intrusion Sites

Kelly Pennell, PhD
Tuesday, December 1, 2015
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Sewer lines and other infrastructure conduits can serve as “alternative” pathways for chemicals to be transported from hazardous waste sites to other locations. This presentation focused on sewers as one alternative pathway for transporting contaminated water and vapors long distances. Recently regulatory agencies have been placing increase emphasis on this pathway; and, it was specifically highlighted in the USEPA Finalized Vapor Intrusion Guidance, which was released in June 2015. The conceptual model for the sewer-gas-to-indoor-air-pathway was presented. Factors that are suspected to influence exposure risks were highlighted and ongoing numerical modeling efforts were discussed. Preliminary details of a GIS tool were also included in the presentation.  The GIS tool combines known sewer characteristics with hazardous waste site information and considers the potential for certain buildings to have a greater potential for this exposure pathway to exist.

Bioavailability of Arsenic in Aquatic Species and Humans

Bruce Stanton, PhD from Dartmouth College
Wednesday, April 8, 2015
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Best Practices for Engaging Communities

Kelly Pennell, PhD, and Anna Goodman Hoover, PhD
Wednesday, March 11, 2015
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National Highlights

Lindell Ormsbee, PhD, and Kelly Pennell, PhD
Wednesday, February 4, 2015
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2014 Seminars

Taking a Holistic Approach to Risk Reduction: Biomedical Intervention, Pollutant Remediation, and Research Translation

Bradley Newsome, Ph.D., University of Kentucky presentation for UK Superfund Research Program Research Translation
Thursday, November 20, 2014 at 12:00 pm




Derivation of TCE Toxicity Values and Implications for Risk Management

Wendy Heiger-Bernays, Ph.D., Boston University presentation for UK Superfund Research Program Research Translation
Wednesday, October 29, 2014 at 12:00 pm
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Leveraging Water Technology Innovation Clusters to Maximize Research Outcomes and Support Sustainable Communities

Sally Gutierrez, presentation co-sponsored by UK-SRC, is the Director of Environmental Technology Innovation Cluster Development and Support Program, Office of Research and Development, United States Environmental Protection Agency, Cincinnati, Ohio
October 22, 2014, 11:00 am
323 Manufacturing Building (RMB, CRMS)




Developmental Programming: Effects of Diet, Exercise, and Polychlorinated Biphenyl Exposure during Pregnancy on Long-term Health in Offspring

Kevin J. Pearson, Ph.D., UK Superfund Research Program Research Translation
Wednesday, April 2, 2014 at 12:00 pm






Best Strategies for Solving Environmental Problems

Lindell Ormsbee, Ph.D., UK Superfund Research Program Research Translation
Wednesday, March 5, 2014 at 12:00 pm






Characterizing Vapor Intrusion Exposure Risks

Kelly G. Pennell, Ph.D., UK Superfund Research Program Research Translation
Wednesday, February 5, 2014 at 12:00 pm