PUBLIC NOTICE Hanford Sitewide Permit draft renewal public comment period The Washington State Department of Ecology is holding a 120-day public comment period for the Hanford Dangerous Waste Permit (Sitewide Permit) draft renewal revision 9A (Rev. 9A). The permittee is the U.S. Department of Energy. The Hanford Site is in southeastern Washington. The comment period will be open June 29 12:00 am to Oct. 27, 2026,11:59 pm. Proposed changes Rev. 9A of the Sitewide Permit will cover 52 waste sites and facilities across Hanford. In this revision, the agency addressed more than 5,000 comments received from the public, Tribal Nations, and the permittees submitted during the 2012 public comment period. This feedback led to extensive revisions to incorporate the comments and address deficiencies. Ecology's priority is to issue a current permit that is protective of human health and the environment and enforceable under state and federal regulations. Review and comment The proposed permit modification is available for review online at the Nuclear Waste Program's Hanford Sitewide Permit page at Ecology.wa.gov/REV9A. Electronic copies of the proposed modification are also located at the Administrative Record and the Information Repositories. Please submit comments by Oct. 27, 2026. Electronically at https://ecology.commentinput.com/?id=5DsM9EcjB (preferred) or mail or hand-deliver to: Daina McFadden 3100 Port of Benton Blvd Richland WA 99354 Public meetings and hearings An informational meeting is scheduled for July 15, 2026, followed by a weekly virtual "Lunch & Learn" series starting July 22, 2026. Recordings of these meetings will be posted on our website. Regional public hearings are being scheduled for the fall. Please see the Ecology Hanford Sitewide Permit webpage at Ecology.wa.gov/REV9A for more information. Questions? Contact Daina McFadden Hanford@ecy.wa.gov IPL0351423 Jun 28 2026