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PFOA / PFOS Treatment System

PFOS Treatment System

Project Overview

LocationPortsmouth, NH
Duration8 Months
Contract Value$1M - 5M
GWTT RoleCivil Work, System Install,
Startup & Commission

Project Description

GWTT served as project manager for construction of a 200 GPM capacity groundwater extraction and PFOS treatment system at a former U.S. Air Force facility in Portsmouth, NH. The site is a former fire-fighting training area where aqueous film-forming foam (AFFF) containing PFOS was used for many years.

The groundwater extraction PFOS treatment system includes 10 wells equipped with electric submersible pumps. GWTT installed more than 11,000 linear feet of HDPE pipe, an 8-inch water service, a 4,800 ft2 pre-engineered steel building, all treatment process equipment, instrumentation and controls. Electrical work was completed by a separate subcontractor.

A feature of this project was a proprietary, regenerative resin and related equipment provided by a project partner firm.

Key Project Details:

  • 200 GPM PFOS Treatment System
  • Synthetic Resin system; first of its kind installed in United States
  • Contaminants: Perfluorinated and polyfluorinated alkyl substances from fire-fighting foams
  • Site: Former U.S. Air Force Base
  • GWTT Scope: Civil and buildings, instrumentation and controls, process equipment, tanks, piping, plumbing, fire protection, HVAC

Project Challenges

A highly accelerated project schedule stemming from public interest posed many challenges during project execution and required GWTT and its partners to maintain a high level of communication and coordination.

Project Gallery

Additional Information on PFOA and PFOS

PFOA and PFOS have been used in a variety of consumer products over the last several decades. Applications of these chemicals include non-stick cooking surfaces, fabric and carpet stain-resistant sprays and treatments, water-repellent sprays and treatments, non-stick consumer food packaging, and other protective coatings. They were, and in some cases still are, used in specialized fire-fighting foams for use at airfields and other civil and industrial sites that have a high risk for petroleum-based fire.

Click here for more information on the family of PFOA/PFOS compounds and available treatment options, or click the button below to contact us directly for a consultation. GWTT is ready to help you solve your water treatment challenges.

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