How PFAS May Affect Your Next Brownfield Redevelopment

12.03.19   Cheryl A. Kehres-Dietrich, CGWP | More by this Author, Casey E. Smith, CPG | More by this Author

How PFAS May Affect Your Next Brownfield Redevelopment

Municipalities are increasingly requiring Per- and Polyfluoralkyl Substances (PFAS) analyses as part of discharge permit applications for construction dewatering, and landfills are scrutinizing PFAS as part of soil disposal requirements.

The finding of PFAS in dewatering effluent  and/or soil may come as a surprise because Phase I and II Environmental Site Assessments (ESAs) performed as part of Due Diligence for brownfield sites and other redevelopment projects may not identify PFAS as a concern. Similarly, remediation for other releases such as petroleum or chlorinated solvents may not have included testing for PFAS because they are not typical target constituents for these types of sites.

Discovering PFAS at the time of seeking a discharge permit for construction dewatering or landfill disposal approval can have significant impact to project costs and project timelines, and can limit disposal options.

SME presented on this topic at the Great Lakes Environmental Remediation & Redevelopment Conference held in October 2019 in Lansing, MI. An adapted version of the presentation can be downloaded here. The presentation includes details on two recent projects and cost considerations, and addresses the importance of engaging with the construction team, municipalities/discharge authorities and landfills to discuss evolving PFAS requirements.

SME can assist with developing a plan for managing groundwater and soil during construction. For more information, contact Cheryl Kehres-Dietrich or Casey Smith.

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