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Event: 60-Day Public Comment Period for Construction of Basin 41 at the LERF and 200 Area ETF
Category: Public Comment Periods
Event Date: July 10 - Sept. 8

Learn About a Permit Modification for Construction of Basin 41 at the Liquid Effluent Retention Facility and 200 Area Effluent Treatment Facility
The U.S. Department of Energy (DOE) is providing notice of a 60-day public comment period on a proposed Class 3 modification to the Hanford Dangerous Waste Permit. This proposed permit modification would allow construction of a new basin (Basin 41) at the Liquid Effluent Retention Facility (LERF), and provide additional tank and container storage and treatment capacity at the LERF and 200 Area Effluent Treatment Facility (ETF).

A virtual public meeting will be held Aug. 18 at 5:30 p.m. and will include two separate meetings with brief presentations. The first presentation will introduce the 242-A Evaporator facility modification for connecting the PC-5000 transfer line to Basin 41. The second presentation will introduce the LERF and 200 Area ETF modification for the construction of Basin 41. In response to recommendations made by the public, these two related topics are being combined. You can view the presentation, hear the speakers and ask your questions.

To participate via GoToWebinar, please follow the instructions below:
Visual (presentation only):;
ID #: 903-104-371

1. Dial +1 509-372-3087 (local) or +1 800-664-0771 (long distance)
2. Enter Conference ID: 1333#

Visit to review details on these proposed changes. All comments must be submitted by Sept. 8, in writing by mail or electronically (preferred) to:

Washington State Department of Ecology
3100 Port of Benton Boulevard
Richland, WA 99354
eComments (preferred):

Questions? Please contact Dana Gribble 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 Dana Gribble,, 509-961-5609 at least 10 working days prior to the event.

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