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Title: Hanford Double-Shell Tank AY-102 Radioactive Waste Leak Investigation Update - 15302

Tank AY-102 was the first of 28 double-shell radioactive waste storage tanks constructed at the U. S. Department of Energy’s Hanford Site, near Richland, WA. The tank was completed in 1970, and entered service in 1971. In August, 2012, an accumulation of material was discovered at two sites on the floor of the annulus that separates the primary tank from the secondary liner. The material was sampled and determined to originate from the primary tank. This paper summarizes the changes in leak behavior that have occurred during the past two years, inspections to determine the capability of the secondary liner to continue safely containing the leakage, and the initial results of testing to determine the leak mechanism.
Publication Date:
OSTI Identifier:
Report Number(s):
TOC-PRES-14-3311-FP Rev 0
DOE Contract Number:
Resource Type:
Resource Relation:
Conference: WM2015 Waste Management Symposium 03/15/2015 Phoenix, AZ
Research Org:
Hanford Site (HNF), Richland, WA (United States)
Sponsoring Org:
USDOE Office of Environmental Management (EM)
Contributing Orgs:
Washington River Protection Solutions LLC, Department of Energy - Office of River Protection
Country of Publication:
United States