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NAEM Expert Led Webinar - Vapor Intrusion Assessment and Mitigation – Fundamentals and Latest Develo
NAEM Expert Led Webinar

NAEM Web Seminar Archives are an easy and cost-effective way to share a learning experience with your colleagues. With one purchase you can gather your entire EHS team around a computer or projector screen to collectively participate and brainstorm ideas.

Vapor Intrusion Assessment and Mitigation – Fundamentals and Latest Developments

Vapor Intrusion Assessment and Mitigation – Fundamentals and Latest Developments

Tuesday December 1, 2015
Download this webinar!

Cost: FREE for Members, $49 for Non-Members

Migration of vapors into buildings from contaminated soil and groundwater has become a significant concern for EHS professionals in recent years. This webinar is designed to provide EHS Managers an overview of the vapor intrusion pathway and highlight the new science and guidance documents related to vapor intrusion. The webinar will provide a summary of the most promising technologies being used today to assess and mitigate the risks associated with potential exposures. In addition, the webinar will provide a synopsis of recent vapor intrusion guidance released by USEPA in June of 2015.

The training will give EHS Managers the tools they need to supervise VI assessments, avoid costly delays in due diligence, protect workers in their organizations at facilities with potential VI exposures, and oversee environmental remediation projects within their organizations.

Topics to be covered include:

  • A review of the Vapor Intrusion Pathway and its causes
  • Implications for property transactions
  • Site Investigation Tools/Techniques
  • Summary of Recent US EPA Guidance , and it's impact on assessments and mitigation
  • Challenges to Evaluating the Vapor Intrusion Pathway
  • Vapor Intrusion Risk Management and Mitigation Techniques
  • Mitigation Technology
  • Risk-management considerations for mitigation selection

Speakers:

  • Helen Dawson, Ph.D., Senior Consultant; Geosyntec Consultants
  • Robert Ettinger, Principal Environmental Engineer; Geosyntec Consultants

Helen Dawson

Allan Klindworth

Helen is a recognized leader in vapor intrusion. She was the primary author of the U.S. EPA's Office of Solid Waste Emergency Response (OSWER) Draft Guidance for Evaluating the Vapor Intrusion to Indoor Air Pathway from Groundwater and Soils in 2002. She also was the primary investigator and author on two key technical documents that support vapor intrusion assessment: one on background indoor air concentrations in residences and another on the subsurface-to-indoor air attenuation at vapor intrusion sites. She continues to advance the state of the practice though specialized presentations for clients, invited talks at national conferences, and participation in expert panels advising regulatory agencies.

Beyond vapor intrusion, Helen's practice spans a wide range of technical disciplines including groundwater characterization, and contaminant fate and transport modeling related to the spread of dense non-aqueous phase liquids, chlorinated solvents, and metals in the environment.

Robert Ettinger

Dale Sands

Mr. Ettinger has extensive experience in assessing potential subsurface vapor intrusion to indoor air associated with former and current gasoline retail and distribution, petroleum pipeline, and petrochemical manufacturing facilities. This experience includes managing human health risk assessments, designing and implementing groundwater and soil vapor remediation systems, leading negotiations with regulatory agencies on behalf of individual companies, and developing risk-based strategies for corporate environmental liability and business management initiatives.

His contributions to advancing the state of the practice began with his co-authorship of the Johnson and Ettinger (1991) algorithm for evaluating subsurface contaminant vapor intrusion to indoor air. During the past 15 years, additional contributions have been made through field investigations and modeling evaluations on subsurface contaminant vapor intrusion to indoor air. His work is widely cited by regulators and industry groups as the reference point for beginning vapor intrusion assessments. Mr. Ettinger has published numerous articles on chemical vapor intrusion, environmental fate of volatile chemicals, and design considerations for groundwater and soil vapor extraction systems.

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