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|a pnnl-30194
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|a Analytical Functions for 200 West Pump-and-Treat SCADA Sensor Data
|h [electronic resource]
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|a Richland, Wash. :
|b Pacific Northwest National Laboratory (U.S.) ;
|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2020.
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|a Size: 29 p. :
|b digital, PDF file.
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|a Published through Scitech Connect.
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|a 08/07/2020.
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|a "pnnl-30194."
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|a LaPier, Jonas K. ; Johnson, Christian D. ;
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|a USDOE.
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|a Historical operations at the U.S. Department of Energy?s Hanford Site included disposal of waste fluids to the subsurface in the 200 West Area on the Hanford Central Plateau. Subsequent infiltration of fluids has resulted in groundwater contamination with carbon tetrachloride, nitrate, uranium, technetium-99, and other contaminants. A pump-and-treat (P&T) system, with an extraction/injection well network and an aboveground treatment plant, was implemented as part of interim and final remedies in the 200 West area. The HYPATIA single-page web application (part of the SOCRATES suite) is being developed to provide access to and analysis of chemistry and treatment facility sensor data for this 200 West P&T system. For the web application, analytical algorithms were developed to perform summing, differencing, smoothing, outlier detection, change-point detection, mass flow rate, and injectivity calculations on the data. Candidate algorithms were identified and tested, with the best-performing algorithms then assembled for implementation in HYPATIA. Because HYPATIA is hosted on the Amazon Web Services (AWS) cloud computing platform, algorithms were implemented in a back-end AWS Lambda function that can be called by the HYPATIA front end. The Lambda function applies the requested data processing to specified data via functions written in R, Python, and JavaScript. Development, testing, and review of the data analysis algorithms was completed under an NQA-1 quality program. This new HYPATIA functionality will provide information to support site decisions regarding P&T system performance and optimization.
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|b AC05-76RL01830.
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|a Pump and treat
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|a Pacific Northwest National Laboratory (U.S.).
|4 res.
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information
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|u https://www.osti.gov/servlets/purl/1734568
|z Full Text (via OSTI)
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|b 01-28-21
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