Contaminants of Emerging Concern | Langan
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Contaminants of Emerging Concern

Contaminants of emerging concern (CECs) are not novel in the environmental regulated community. However, the most recent wave of CECs – including 1,4-dioxane, 1,2,3-trichloropropane (1,2,3-TCP), and a family of chemicals known as per- and polyfluoroalkyl substances (PFAS) – are posing heightened concerns and unique technical and regulatory challenges that often defy conventional solutions. Langan is meeting those challenges head-on by exploring, developing, and applying emerging science and technology in the areas of CEC sampling, analysis, site characterization, forensics, treatment, and remediation. We are doing this through independent research and practical application of new technologies. We are also contributing to the development of guidance and regulation on the state and federal levels, as well as through participation on technical teams within the Interstate Technology and Regulatory Council. We are advising clients and the broader environmental regulated community on the rapidly evolving technical and regulatory landscape and helping them to assess and address their CEC concerns.

Services provided include:
  • Treatment/remediation
  • Treatability studies
  • Sampling and site characterization
  • Transactional due diligence
  • Fate and transport analysis
  • Risk assessment and management
  • Regulatory support
  • Forensics and expert support
Langan & ITRC
  • ITRC PFAS Team, Active participation and contribution toward technical guidance development, 2017 to present, Ryan Andersen, Senior Project Manager, Michael Solt, Staff Geologist, Stewart Abrams, Technical Director of Remediation Technology, Adam Hackenberg, Senior Project Manager
  • ITRC 1,4-Dioxane Team, Active participation and contribution toward technical guidance development, 2018 to present, Amita Oka, Ph.D., Senior Staff Engineer, Bob Bond, Associate Hydrogeologist, and Adam Goldberg Senior Staff Geologist
Langan's engagement with emerging contaminants
  • “Emerging Contaminants: A North America Perspective” Sao Paulo, Brazil. Presented by Stew Abrams, Adam Hackenberg, and Geoklock, Ltd. August 28, 2019 -
  • SETAC North America Focused Topic Meeting: Environmental Risk Assessment of PFAS “Human health risk assessment of per and polyfluoroalkyl substances (PFAS) using a Toxic Equivalency Factor (TEF) approach for a site in New Jersey,” August 14, 2019 – Presenter, Emily Strake, Senior Risk Assessor. -
  • Pennsylvania Bar Institute Webinar “PFAS-Regulation, Liabilities and Potential Cost Recovery," July 22, 2019 – Speaker, Jeffrey A. Smith, Associate/Hydrogeologist. -
  • Surplus Properties Roundtable in Michigan Speaker, Stew Abrams, Technical Director of Remediation Technology. - See more...
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