Project W-320 SAR and process control thermal analyses

Sathyanarayana, K.

doi:10.2172/325437

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“…Based on its capacity to store waste, this tank unintentionally received an excess of sludge containing high levels of strontium-90. Tank 241-C-106 is a SST with an estimated heat load for January 1997 of 123,000 Btulhr (Ogden 1997), which exceeds the heat load limit of 40,000 Btulhr and classifies the tank as a high-heat load tank. Tank 241-C-106 is the only SST on the Hanford Site which requires water additions to maintain active cooling.…”

Section: Sluicing Of Tank 241-c-106mentioning

confidence: 99%

Tank characterization technical sampling basis

Brown¹

1998

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The Hanford Site has 177 underground high-level radioactive waste storage tanks in 18 tank farms. The tanks contain accumulated liquid, sludge, and saltcake wastes from more than 50 years of nuclear weapons material production activities at the Hanford Site. Several types of waste exist in the tanks, and the tank contents vary from homogeneous to highly heterogeneous. The tanks also have a variety of important safety, disposal, regulatory, and operational issues associated with them. In addition to the 177 tanks, several double-contained receiver tanks (DCRTs), catch tanks, and inactive miscellaneous underground storage tanks (IMUSTs) are also in the purview of Tank Waste Remediation Systems (TWRS).This document establishes an approach to determine the priority of tank sampling at the Hanford Site. The approach is based on data quality objectives (DQOs) and other requirements documents for each issue identified, as well as tank priority inputs from each of the TWRS programs. The DQOs (or other requirements documents) used to direct characterization for each of the issues are listed below:Flammable gas (Bauer and Jackson 1997) Sluicing of tank 241-C-106. The characterization requirements are documented in a process control plan (Carothers et al. 1998).Waste feed delivery (Phase I). Characterization requirements will be documented in problem-specific DQOs, one to confirm the selection of tanks to supply low-activity waste (Certa 1998) and one to confirm the selection of tanks to supply high-level waste, to be issued by May 1998 (problem-specific DQOs #1 and 2, respectively). Ten other problem-specific DQOs will be written (#3 -10 and 13 -14). A decision will be made Es-1 HNF-SD-WM-TA-164 Rev. 4 later to determine which of these 10 problem-specific DQOs will require characterization sampling, if any. Problem-specific DQO #11 will probably be canceled because its requirements are covered by the Privatization low-activity waste DQO (Wiemers and Miller 1997. See next bullet). Problem-specific DQO #12 will be canceled because no further information is required (Murkowski 1997). In addition to the problem-specific DQOs, the retrieval DQO (Bloom and Nguyen 1996) and the mixer pump test plan (Staehr 1996) will be used to direct sampling and analysis of tank 241-AZ-101. The retrieval DQO will be transitioned out of use, to be replaced by the problem-specific DQOs. The mixer pump test plan is being updated to ensure that required data will be obtained and that sufficient detail will be provided to direct sampling and analysis. HNF-SD-WM-TA-164 Rev. 4 HNF-SD-WM-TA-164 Rev. 4 PRIVATIZATION -Provide Samples To Contractor(s) CRITERIA WEIGHT C-104 C-106 AN-102 AN-103 AN-104 AN-105 AN-107 AW-IO1 Tank waste info needed H H

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Section: Sluicing Of Tank 241-c-106mentioning

confidence: 99%

Tank characterization technical sampling basis

Brown¹

1998

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Project W-320 SAR and process control thermal analyses

Cited by 1 publication

References 1 publication

Tank characterization technical sampling basis

Tank characterization technical sampling basis

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