Events

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PFAS Treatment: Separation, Concentration, & Destruction

This webinar included the following presentations: Comparing PFAS to Other Groundwater Contaminants: Implications for Remediation , Chuck Newell, GSI Introduction to Emerging PFAS Treatment Approaches & Technologies , Dora Chiang, CDM Smith Advanced PFAS-specific Separation & Concentration Technologies , Kent Sorenson, CDM Smith Scaling Up Destruction Technologies & Their Applications , Steve Richardson, GSI

PFAS in Groundwater: Investigation Results in New Hampshire & Considering Soil Leaching

The webinar included the following presentations: Amy Doherty & Kate Emma Schlosser, New Hampshire Department of Environmental Services  Over the past three years NH DES has collected a significant amount of multimedia PFAS data. With groundwater in particular, DES is able to begin to analyze occurrence and see trends associated with a particular release type/mechanism. […]

Soil Mixing for Environmental Remediation: An Effective Tool for Challenging Sites

The webinar included the following presentations: Daniel Ruffing, Geo-Solutions, Inc Chris Robb, Geosyntec Consultants Darin Payne, Geo-Solutions, Inc Environmental remediation of recalcitrant compounds, such as chlorinated solvents, can be very challenging, especially in tight lithologies or other geologic situations. Soil mixing is a method of delivering reagents, air, or steam to the subsurface to enhance […]

Vapor Intrusion Assessment: Guidelines, Data Collection Methods, & Advancements

The webinar included the following presentations: Laurent Levy, Jacobs  After briefly introducing vapor intrusion concepts, the presentation provided a review of current guidelines issued by the U.S. states to address assessment of the vapor intrusion pathway with a focus on TCE, PCE, attenuation factors (in residential/commercial settings), petroleum vapor intrusion, and sampling expectations. David Shea, […]

PCBs in Building Products: Implications for Brownfields

The webinar included the following presentations: Steve Zemba, Sanborn Head & Associates  provided an overview of products that might contain PCBs and then discuss PCB exposure that can result from the slow off-gassing from building products. Using case study examples, he discussed the nature of PCBs found in indoor air and implications for health risks. […]

Understanding TSCA for Sites with PCBs

The webinar included the presentation: Kim Tisa, USEPA Region 1 & Dave Sullivan, TRC Companies Understanding TSCA Brochure Series produced by the New Jersey Institute of Technology (NJIT) in 2012 (always double-check with your state and EPA Region for guidance): Working with the Federal and State PCB Regulations on Brownfield Sites: When and What Federal […]

Using EPA’s Regional Screening Levels Calculator Tool

The webinar included the following presentation: Fredrick Dolislager, University of Tennessee and Oak Ridge National Laboratory . The webinar provided an introduction and demonstration of the RSL calculator tool and covered: Background about the RSLs including uses and limitations The hierarchies of toxicity values and chemical parameters and their sources Examples of default runs Demonstration of […]

Understanding Usability of PFAS Data

The webinar was presented for informational purposes. The views expressed do not necessarily reflect those of each of the NEWMOA-member states and and the strategies and technologies discussed should not be considered an endorsement by NEWMOA or its members. The webinar included the following presentation: Understanding Usability of PFAS Data Dr. Nancy Rothman, Chief Executive […]

In-situ Treatment of PFAS in Groundwater

The webinar was presented for informational purposes. The views expressed do not necessarily reflect those of each of the NEWMOA-member states and and the strategies and technologies discussed should not be considered an endorsement by NEWMOA or its members. The webinar included the following presentations: Dr. Fiona Laramay, AECOM presented In Situ Treatment of PFAS- […]

Destroying PFAS in Groundwater & Landfill Leachate

The webinar was presented for informational purposes. The views expressed do not necesssaily reflect those of each of the NEWMOA-member states, and the strategies and technologies discussed should not be considered an endorsement by NEWMOA or its members. The webinar included the following presentations: Rebecca Mora & Dr. Shangtao Liang, AECOM presented Coupling Regenerable Ion […]

PFAS in Water: Removal, Treatment, & Destruction

The webinar was presented for informational purposes. The views expressed do not necessarily reflect those of each of the NEWMOA-member states, and and the strategies and technologies discussed should not be considered an endorsement by NEWMOA or its members. The webinar included the following presentations: Dr. Charles Schaefer, CDM Smith presented Removal & Destruction of […]