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Accession Number DE13-1105044
Title Pore Water Extraction Test Near 241-SX Tank Farm at the Hanford Site, Washington, USA-14168.
Publication Date Nov 2013
Media Count 11p
Personal Author C. Tabor D. Parker M. Holm S. Eberlein
Abstract A proof-of-principle test is underway near the Hanford Site 241-SX Tank Farm. The test will evaluate a potential remediation technology that will use tank farm-deployable equipment to remove contaminated pore water from vadose zone soils. The test system was designed and built to address the constraints of working within a tank farm. Due to radioactive soil contamination and limitations in drilling near tanks, small-diameter direct push drilling techniques applicable to tank fanns are being utilized for well placement. To address space and weight limitations in working around tanks and obstacles within tank fanns. the aboveground portions of the test system have been constructed to allow deployment flexibility. The test system utilizes low vacuum over a sealed well screen to establish flow into an extraction well. Extracted pore water is collected in a well sump, and then pumped to the surface using a small-diameter bladder pump. If pore water extraction using this system can be successfully demonstrated. it may be possible to target local contamination in the vadose zone around underground storage tanks. It is anticipated that the results of this proof-of-principle test will support future decision making regarding interim and final actions for soil contamination within the tank farms.
Keywords Constraints
Hanford Reservation
Pore water extraction
Radioactive waste facilities
Radioactive waste storage
Water wells

Source Agency Technical Information Center Oak Ridge Tennessee
NTIS Subject Category 77G - Radioactive Wastes & Radioactivity
68F - Radiation Pollution & Control
Corporate Author Washington River Protection Solutions, Richland, WA.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1412
Contract Number DE-AC27-08RV14800

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