Remediation and cleanout levels for Hanford site single-shell tanks

Boothe, G.F.

doi:10.2172/274893

Cited by 4 publications

(8 citation statements)

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“…Uranium is the most prevalent heavy metal and radioactive element but its chemical and radiological toxicities are relatively low. Highly mobile chromium in the waste is a heavy metal of concern in groundwater contamination (Boothe 1995). The inventory of hydroxide ion (OH-), primarily as sodium hydroxide, is used to control the in-tank chemical conditions.…”

Section: Hnf-sd-wm-mar-008 Revmentioning

confidence: 99%

“…The inventory of hydroxide ion (OH-), primarily as sodium hydroxide, is used to control the in-tank chemical conditions. Cesium-1 37 and 93Sr (and equilibrium decay daughters), along with internally deposited plutonium (Boothe 1995), dominate the current total waste activity and are the radioisotopes of concern for an external dose in accident analyses and worker exposure in the near term.…”

Section: Hnf-sd-wm-mar-008 Revmentioning

confidence: 99%

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Tank waste remediation system mission analysis report

Acree¹

1998

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identifies the initial states o f the system and the desired final states o f the system. of success appropriate to program-level accomplishments. It a1 so identifies program-level requirements and major system boundaries and V HNF-SD-WM-MAR-008 Rev 2 mission was developed to describe the overall management approach, organization roles and responsibilities, and overall pcrformance measures. A preliminary analysis of the Phase IB and Phase 2 feed staging andprocessing mission to accelerate the removal of waste from the single-shell tanks was conducted. The analysis indicates that extending the Phase I schedules could enhance the effectiveness andfeasibility of the mission. This extension would continue the use of the Phase I B immobilization plants and maximize their capacity used during Phase I activities. This early start results in a much smaller scale-up requirementjbr&ll-scale production facilities by allowing a decrease in peak retrieval requirements to more manageable rates while still meeting the Hanford Federal Facility Agreement and Consent Order' completion ofprocessing dates. This early start also provides the US. Department of Energy an opportunity to reduce the overall immobilization costs by reducing the production capacity and non-recurring investment now specified for the private contractors. This systematic review of the Project Hanford Management Contract Team S ability to support the retrieval and disposal mission concludes that the systems and infrastructure required to support this mission are understood and in place or plans are in place to ensure that they will exist when needed. A robust systems engineering culture, management system, and risk management program are in place. No technology breakthroughs are needed to achieve a manageable schedule for Phase 1. In short, the review shows that the systems, personnel, and hardware are ready to proceed

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Section: Hnf-sd-wm-mar-008 Revmentioning

confidence: 99%

Section: Hnf-sd-wm-mar-008 Revmentioning

confidence: 99%

Tank waste remediation system mission analysis report

Acree¹

1998

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“…AX-103 will be a salt cake retrieval demonstration tank. The other three are high interim storage (LANL 1995) and high long-term hazard (Boothe 1995) 100-series tanks that are not assumed to be leaking. The above preliminary recommendations will be the planning basis assumptions for ISSTRS until approved or revised by the decision maker.…”

Section: Initial Single-shell Tank Retrieval Systemmentioning

confidence: 99%

“…Retrieval of the tanks was ordered per the annual limit on intake (ALI) ranking developed in Remediation and Cleanout levels for Hanford Site Single-Shell Tanks (Boothe 1995). Figure 26 shows the decrease in long term risk per tank if the tanks are retrieved totally in the order developed by Boothe.…”

Section: Case Assuming No Phase II With Retrieval By Order Of Long-tementioning

confidence: 99%

Initial retrieval sequence and blending strategy

Pemwell¹,

Grenard²

1996

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Abstract:This r e p o r t documents t h e i n i t i a l r e t r i e v a l sequence and t h e methodology used t o s e l e c t i t . Waste r e t r i e v a l , storage, pretreatment and v i t r i f i c a t i o n were modeled f o r candidate s i n g l e -s h e l l tank r e t r i e v a l sequences. m e t r i c s ( f o r example, high-level waste glass volume, r e l a t i v e r i s k and schedule).process rates, r e t r i e v a l dates, and blending s t r a t e g y e f f e c t s . The models were based on estimates o f component i n v e n t o r i e s and concentrations, sludge wash f a c t o r s and timing, r e t r i e v a l annex l i m i t a t i o n s , e t c .

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“…Measure. The ISSTRS tanks should be in the top 86 tanks that are identified as requiring retrieval for compliance with the intent of the Tri-Party Agreement (Boothe 1995).…”

Section: Long-term Hazardmentioning

confidence: 99%

Initial single-shell tank retrieval system tank selection

Grenard¹

1996

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The Hanford Federal Facility Agreement and Consent Order (also known as the Tri-Party Agreement), established several milestones associated with the Initial Single-Shell Tank Retrieval System (ISSTRS). It also established that the scope of ISSTRS is the retrieval of a complete tank farm or an equivalent number of tanks. This study selected the singleshell tanks to be included in the ISSTRS work scope. This study determined that the ISSTRS work scope should consist of four tanks located in the A, AX, and C , tank farms). retrieval demonstration tank. The other three (Tanks 241-A-I 02, 241-C-103, and 241-C-105) are 100-series tanks containing high interim storage risk, high long-term hazard waste and are assumed not to be leaking.

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Remediation and cleanout levels for Hanford site single-shell tanks

Cited by 4 publications

References 1 publication

Tank waste remediation system mission analysis report

Tank waste remediation system mission analysis report

Initial retrieval sequence and blending strategy

Initial single-shell tank retrieval system tank selection

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