Single-shell tank closure work plan. Revision A

Technical Report · Thu Jun 01 04:00:00 EDT 1995

DOI:https://doi.org/10.2172/113917· OSTI ID:113917

In January 1994, the Hanford Federal Facility Agreement and Conset Order (Tri-Party Agreement) was amended to reflect a revised strategy for remediation of radioactive waste in underground storage tanks. These amendments include milestones for closure of the single-shell tank (SST) operable units, to be initiated by March 2012 and completed by September 2024. This SST-CWP has been prepared to address the principal topical areas identified in Tri-Party Agreement Milestone M-45-06 (i.e., regulatory pathway, operable unit characterization, waste retrieval, technology development, and a strategy for achieving closure). Chapter 2.0 of this SST-CWP provides a brief description of the environmental setting, SST System, the origin and characteristics of SST waste, and ancillary equipment that will be remediated as part of SST operable unit closure. Appendix 2A provides a description of the hydrogeology of the Hanford Site, including information on the unsaturated sediments (vadose zone) beneath the 200 Areas Plateau. Chapter 3.0 provides a discussion of the laws and regulations applicable to closure of the SST farm operable units. Chapter 4.0 provides a summary description of the ongoing characterization activities that best align with the proposed regulatory pathway for closure. Chapter 5.0 describes aspects of the SST waste retrieval program, including retrieval strategy, technology, and sequence, potential tank leakage during retrieval, and considerations of deployment of subsurface barriers. Chapter 6.0 outlines a proposed strategy for closure. Chapter 7.0 provides a summary of the programs underway or planned to develop technologies to support closure. Ca. 325 refs.

• Research Organization: USDOE Richland Operations Office, WA (United States)
• Sponsoring Organization: USDOE, Washington, DC (United States)
• DOE Contract Number: AC06-87RL10930
• OSTI ID: 113917
• Report Number(s): DOE/RL--89-16-Rev.A; ON: DE96001202
• Country of Publication: United States
• Language: English

Related Subjects

05 NUCLEAR FUELS
CHEMICAL ANALYSIS
CONTAINMENT SYSTEMS
EMERGENCY PLANS
GEOLOGY
HANFORD RESERVATION
HISTORICAL ASPECTS
HYDROLOGY
INFORMATION NEEDS
LEGAL ASPECTS
MONITORING
PLANNING
RADIOACTIVE WASTE STORAGE
RADIOACTIVE WASTES
REGULATIONS
REMEDIAL ACTION
SAFETY
STABILITY
STORAGE FACILITIES
TANKS
UNDERGROUND STORAGE