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Technical Impracticability Waivers: An Underutilized Tool for Managing Sediment Sites

By Andrew J. Halmstad, P.E., Senior Consultant

Christopher W. Sinton, Ph.D., R.G., Consultant

Nicole Ott, Principal, Hydrology, Geosciences, and Chemistry

Integral’s Andrew Halmstad, Chris Sinton, and Nicole Ott explore how technical impracticability waivers can provide a practical solution for sediment cleanup challenges. Through detailed analysis of cleanup levels and remediation strategies, they demonstrate how technical impracticability waivers can streamline remedial designs when dealing with naturally occurring chemicals and diffuse contamination sources. Learn about the regulatory framework, engineering considerations, and precedent for applying this underutilized tool to focus resources on the most impactful remediation efforts while achieving sustainable cleanup goals.

This insight is featured in the September 2025 Edition of Integral’s Benthic Zone Newsletter.

Key Contacts

Andrew J. Halmstad, P.E. Senior Consultant

Christopher W. Sinton, Ph.D., R.G. Consultant

Nicole Ott Principal, Hydrology, Geosciences, and Chemistry