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Event: Public Comment Period for Proposed Class 3 Permit Modification for the Integrated Disposal Facility
Category: Public Comment Periods
Event Date: Dec. 16, 2019, to Feb. 14, 2020

The Hanford Site

This is a message from the U.S. Department of Energy 


Public Comment Period for Permit Modification to Allow for Disposal of Mixed Low-Level Waste at the Integrated Disposal Facility

The U.S. Department of Energy is providing notice of a 60-day public comment period on a Class 3 proposed modification to the Hanford Facility Dangerous Waste Permit. This proposed modification would support operations and allow for disposal of mixed low-level waste in both disposal cells of the Integrated Disposal Facility, add receipt of mixed low-level wastes from Hanford Site operations, and allow for the construction of a treatment pad and a storage pad.

The comment period is from Dec. 16, 2019, to Feb. 14, 2020.


A public meeting will be held Jan. 21, 2020, at 5:30 p.m. at the Richland Public Library, 955 Northgate Drive, Richland, WA 99352. If you are unable to attend in person, you can participate via webinar, ID#619-229-539.


Copies of the proposed modification and supporting documentation will be available online during the comment period at Hanford Administrative Record, on Ecology’s website, and at the Hanford Public Information Repositories. Please see the attached summary fact sheet.


Please submit any comments by Feb. 14, 2020, electronically (preferred) or by mail to:

Washington State Department of Ecology
3100 Port of Benton Boulevard
Richland, WA 99354

Questions? Please contact Jennifer Colborn, at, or Daina McFadden, Washington State Department of Ecology, at

To request disability accommodation, please contact Jennifer Colborn,, 509-376-5840 at least 10 working days prior to the event. DOE makes every effort to honor disability accommodation requests.


Fact Sheet

Meeting Presentation

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