Public Comment Form

Commenting open: December 10, 2025 12:00AM PT - February 08, 2026 11:59PM PT.

Proposed Milestones and Approach Towards Final Cleanup


The Tri-Party Agreement (TPA) agencies — U.S. Department of Energy, U.S. Environmental Protection Agency and Washington State Department of Ecology — are holding a 60-day public comment period on proposed new TPA milestones that collectively address the cleanup of soil, groundwater and legacy facilities at the Hanford Site.




Please note that this comment form is for the purpose of submitting a comment to the Washington State Department of Ecology. Commenter contact information is optional. Contact information is necessary if you want to receive future notices or responses related to this topic.



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Comments must be submitted by Feb 8, 2026.


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