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Enforcement Letter, NEL-2012-01 - February 28, 2012

February 28, 2012

Issued to Washington River Protection Solutions, LLC, related to a positive Unreviewed Safety Question involving the Tank Farm Waste Transfer System at the Hanford Site

The Office of Health, Safety and Security's Office of Enforcement and Oversight evaluated a positive Unreviewed Safety Question (USQ) identified by Washington River Protection Solutions, LLC (WRPS) involving a discrepancy in the Tank Farm waste transfer system design temperature, unanalyzed freezing during active waste transfer, and unanalyzed potential failure of relief valves due to solids precipitation.