Independent Assessment of Safety Basis Implementation at the Hanford Site Liquid Effluent Retention Facility
Office of Enterprise Assessments
July 31, 2025
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July 2025,
Independent Assessment of Safety Basis Implementation at the Hanford Site Liquid Effluent Retention Facility
The U.S. Department of Energy (DOE) Office of Enterprise Assessments (EA) conducted an independent assessment of the effectiveness of safety basis implementation at the Hanford Site Liquid Effluent Retention Facility (LERF) during upgrade to a hazard category 3 (HC-3) nuclear facility. The assessment was performed in January and February 2025, at which time LERF was managed and operated for the DOE Hanford Field Office (HFO) by Washington River Protection Solutions, LLC (WRPS). The assessment also evaluated the effectiveness of HFO oversight of WRPS’s implementation of the new HC-3 safety basis.