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May 29, 2020
Event: 60-Day Public Comment Period for Proposed Permit Modification for Three New Wall Penetrations in the 242-A Evaporator Facility
Category: Comment Period / Feedback Opportunity
Event Date: May 8 - July 7

Public Comment Period on Proposed Changes to the Hanford Dangerous Waste Permit

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


The U.S. Department of Energy is holding a 60-day public comment period on a proposed Class 2 modification to the Hanford Dangerous Waste Permit. This proposed permit modification would allow for three new wall penetrations in the 242-A Evaporator facility to connect three new double-shell tank transfer lines.

The comment period is from May 8 to July 7, 2020.


A public meeting will be held June 8, at 5:30 p.m. To participate via GoToWebinar, please follow the instructions below:



Click the GoToWebinar link:;  

ID #: 850-426-035



1. Dial +1 509-372-3087 (local) or +1 800-664-0771 (long distance)

2. Enter Conference ID: 1333# 


Copies of the proposed modification and supporting documentation will be available online during the comment period in the Hanford Administrative Record, on the Washington State Department of Ecology’s website, and at the Hanford Public Information Repositories. A summary fact sheet is attached to this message and posted online.


Please submit any comments electronically (preferred) or by mail by July 7 to:


Washington State Department of Ecology

3100 Port of Benton Boulevard
Richland, Washington 99354

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

The permittee’s compliance history during the life of the permit being modified is available from the Washington State Department of Ecology contact person.

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


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