Safety Basis Assessment at the Hanford Site Waste Treatment and Immobilization Plant Low-Activity Waste Facility – May 2020

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May 2020

Safety Basis Assessment at the Hanford Site Waste Treatment and Immobilization Plant Low-Activity Waste Facilit

This assessment evaluated a revision to the Hanford Site Waste Treatment and Immobilization Plant Low Activity Waste (LAW) Facility documented safety analysis (DSA) and the associated technical safety requirements document (TSR). The assessment also included a review of the safety evaluation report (SER). The DSA uses the methodology of DOE-STD-1228-2019, Preparation of Documented Safety Analysis for Hazard Category 3 DOE Nuclear Facilities. The LAW Facility provides for vitrification of low-activity radioactive waste currently stored in the Hanford Site tank farms and is scheduled to start operations in 2023. Implementation of the DSA and TSR is required to be complete in March 2022 to support start of operations in 2023.