The following webinars featured grant recipients addressing biogeochemical interactions affecting bioavailability for in situ remediation of hazardous substances. These awards were made by the NIEHS' SRP, as part of the Individual Research Grants (R01) program solicitation - RFA ES-13-010.

Session I – Biogeochemical Factors Impacting in situ Remediation of Metals and PAH Mixtures
February 2, 2015, 1:00 - 3:00 p.m. EST
An archive of this webinar is available on EPA’s Clu-in Training & Events Webpage.

• Introduction and Moderation: Heather Henry, Health Scientist Administrator, NIEHS SRP
• Presentation/Project Title: Impact of Groundwater-Surface Water Dynamics on in situ Remediation Efficacy and Bioavailability of NAPL Contaminants
  Presenters: Michael Unger, Ph.D., Associate Professor, Virginia Institute of Marine Science and Aaron Beck, Ph.D., Assistant Professor, Virginia Institute of Marine Science
• Presentation/Project Title: Biogeochemical Framework to Evaluate Mercury Methylation Potential During in-situ Remediation of Contaminated Sediments
  Presenter: Heileen Hsu-Kim, Ph.D., Associate Professor, Duke University
• Presentation/Project Title: Development of in-situ Mercury Remediation Approaches Based on Methylmercury Bioavailability
  Presenter: Upal Ghosh, Ph.D., Professor, University of Maryland, Baltimore County
• Presentation/Project Title: Investigating Biogeochemical Controls on Metal Mixture Toxicity Using Stable Isotopes and Gene Expressions
  Presenter: James F. Ranville, Ph.D., Professor, Colorado School of Mines

Session II – Biogeochemical Factors Impacting in situ Remediation of Chlorinated Contaminants
February 9, 2015, 1:00 - 3:00 p.m. EST
An archive of this webinar is available on EPA’s Clu-in Training & Events Webpage.

• Introduction and Moderation: Heather Henry, Health Scientist Administrator, NIEHS SRP
• Presentation/Project Title: Dual-Biofilm Reactive Barrier for Treatment of Chlorinated Benzenes at Anaerobic-Aerobic Interfaces in Contaminated Groundwater and Sediments
  Presenter: Edward Bouwer, Ph.D., Professor, Johns Hopkins University
• Presentation/Project Title: Exploring the Importance of Aging in Contaminant Bioavailability and Remediation
  Presenters: Jay Gan, Ph.D., Professor, University of California, Riverside and Daniel Schlenk, Ph.D., Professor, University of California, Riverside
• Presentation/Project Title: Biogeochemical Controls over Corrinoid Bioavailability to Organohalide-Respiring Chloroflexi
  Presenter: Frank Loeffler, Ph.D., Professor, University of Tennessee
• Presentation/Project Title: Metabolic Interactions Supporting Effective TCE Bioremediation under Various Biogeochemical Conditions
  Presenter: Lisa Alvarez-Cohen, Ph.D., Professor, University of California, Berkeley