The proposed standard will focus on PFAS investigation and remediation.

May 21, 2025

ASTM International’s environmental assessment, risk management, and corrective action committee (E50) has approved the development of a proposed standard that will cover remedial investigations and remediation actions for Per- and Polyfluoroalkyls (PFAS) (WK94490).

The proposed standard would serve as a companion to ASTM’s standard on PFAS screening and initial site investigation (E3358). As such, the proposed guide will continue to add key considerations and best practices to successfully complete site investigations, nature and extent definition, and discuss some established remediation technologies along with several promising technologies for PFAS remediation. Discussion topics to be included in WK94490 will include:

• PFAS identification;
• Nature and extent definition;
• Risk assessment;
• Geological and groundwater modeling;
• Remedy selection;
• Remedy implementation; and
• PFAS site management.

ASTM welcomes participation in the development of its standards. Become a member at www.astm.org/JOIN.

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