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Development of an ASTM standard glass durability test, the Product Consistency Test (PCT), for high level radioactive waste glass

Conference ·
OSTI ID:10157538
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The nation`s first, and the world`s largest, facility to immobilize high-level nuclear waste in durable borosilicate glass has started operation at the Savannah River Site (SRS) in Aiken, South Carolina. The product specifications on the glass wasteform produced in the Defense Waste Processing Facility (DWPF) required extensive characterization of the glass product before actual production began and for continued characterization during production. To aid in this characterization, a glass durability (leach) test was needed that was easily reproducible, could be performed remotely on highly radioactive samples, and could yield results rapidly. Several standard leach tests were examined with a variety of test configurations. Using existing tests as a starting point, the DWPF Product Consistency Test (PCT was developed in which crushed glass samples are exposed to 90 {plus_minus} 2{degree}C deionized water for seven days. Based on extensive testing, including a seven-laboratory round robin and confirmatory testing with radioactive samples, the PCT is very reproducible, yields reliable results rapidly, and can be performed in shielded cell facilities with radioactive samples.
Research Organization:
Westinghouse Savannah River Co., Aiken, SC (United States)
Sponsoring Organization:
USDOE, Washington, DC (United States)
DOE Contract Number:
AC09-89SR18035
OSTI ID:
10157538
Report Number(s):
WSRC-MS--94-0158; CONF-940815--12; ON: DE94013294
Country of Publication:
United States
Language:
English

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Related Subjects

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052001
052002
054000
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
12 MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
BOROSILICATE GLASS
CRUSHING
HEALTH AND SAFETY
HIGH-LEVEL RADIOACTIVE WASTES
LEACHING
RADIOACTIVE WASTE MANAGEMENT
RADIOACTIVE WASTE PROCESSING
SAVANNAH RIVER PLANT
TESTING
VITRIFICATION
WASTE DISPOSAL AND STORAGE
WASTE FORMS
WASTE MANAGEMENT
WASTE PROCESSING