NOTICE OF HANFORD 60-DAY PUBLIC COMMENT PERIOD AND MEETING The U.S. Department of Energy (DOE) and contractor Hanford Tank Waste Operations and Closure (H2C) are holding a 60-day public comment period and meeting on a proposed Class 2 Resource Conservation and Recovery Act permit modification to the Hanford Dangerous Waste Permit. The modification supports the department's dual path, glass plus grout strategy to accelerate Hanford's cleanup mission in the 200 East Area. The comment period runs Aug. 10 - Oct. 9, 2026. A hybrid public meeting will be held Aug. 26, at 5:30 p.m. PT, in the Richland Public Library, 955 Northgate Drive, Richland, WA 99352. Join virtually at https://bit.ly/4wFsfGY or call 833-633-0875 (toll-free), Conference ID: 515 294 054#. The proposed permit modification will be available online during the public comment period on the Hanford events calendar at https://bit.ly/4oIUbHb, Hanford Administrative Record at https://bit.ly/3TaVlzE, and at the Hanford Public Information Repositories listed at https://bit.ly/3X1jc36. The permittee's compliance history during the life of the permit being modified is available from the Ecology contact person. Questions? Contact Dana Cowley, Hanford Mission Integration Solutions at Dana_C_Gribble@rl.gov, or Daina McFadden, Washington State Department of Ecology at Hanford@ecy.wa.gov. Please contact dana_c_gribble@rl.gov at least 10 working days prior if you need special access to participate in the meeting. IPL0364170 Aug 9 2026