Verification of Study/Pilot Test for Colloidal Activated Carbon Treatment of Per- and Polyfluoroalkyl Substances (PFAS)  

Environmental
Written By Taryn Lohr

Naval Air Station Alameda
Alameda, CA
Naval Facilities Engineering Systems Command

NAVFAC BRAC PMO West awarded a task order to Bayside Engineering Construction, Inc. (Bayside) for colloidal activated carbon (CAC) treatment of per-and polyfluoroalkyl substances (PFAS) at Installation Restoration (IR) Site 14 at Alameda Point, Alameda, California (Site). Bayside collaborated with APTIM, Inc. on this project.

The verification study portion of the project completed in April 2023 included collecting site specific field data for use in the design of the PRB pilot test as well as for use in evaluating other technologies in a future feasibility study. Tasks included continuous soil coring and geologic logging, installation of passive flux meters (PFMs), discrete ground water sampling, and column testing. The laboratory column testing was done using aquifer soil and groundwater from the PFAS-impacted area at the Site to enable an evaluation of the adsorption capacity of the CAC (PlumeStop® from Regenesis, Inc.).

Taryn Lohr
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