Inadequate Waste Evaluation for Silver Coated Canister Seals

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Type:  Lessons Learned

Publisher:  CH2MHill Plateau Remediation Company (Richland, WA - Hanford Site), Richland, WA - Hanford Site (CHPRC)

Published As:  Public


Topics:  Environmental Protection, Waste Management

While creating a new Waste Planning Checklist for the Engineered Container Retrieval and Transfer System Sludge Transport and Storage Container inerting process, a Waste Management Representative discovered that the metal seals that are used on the Sludge Transport and Storage Cask are coated with silver. The Waste Planning Checklist did not initially identify this waste component. Silver is potentially a regulated material, and must be evaluated to ensure it is below waste acceptance limits.

Lesson Learned: Personnel documenting initial waste planning information did not have sufficient information to recognize that the silver coating on the seals was potentially a regulated material. Training and administrative controls had not been established to provide necessary prompts for key information.

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