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Technical assessment of BY-1 12 liquid observation well (LOW) anomalous readings

Description: This document contains a technical assessment of the cause and disposition of Interstitial Liquid Level(ILL) readings taken in February 1997 on Hanford waste tank 241-BY-112 that were below specified limits. Some readings were determined to be spurious while other readings were below the limit because of normal data scatter. The data assessment did discover that a new ILL had formed below the currently established baseline because of the normal drainage of the interstitial liquid over time. A n… more
Date: March 11, 1997
Creator: Barnes, D. A. & Reed, R. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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NEC Hazardous classification and compliance regarding the surface moisture monitor measurement system

Description: The National Electrical Code, NFPA 70, and National Fire Protection Association requirements for use of Surface Moisture Monitor Systems in classified locations are discussed. The design and configuration of the surface moisture monitor are analyzed with respect to how they comply with requirements of the National Electrical Code requirements, articles 500-504.
Date: June 12, 1996
Creator: Bussell, J.H., WHC
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Elemental Analyses of Hanford Surface Neutron Moisture Measurement Calibration Standard Samples

Description: Elemental analyses have been performed on twenty samples taken from the moisture standards prepared to use in performing experimental calibrations of the surface neutron moisture measurement system. These standards consisted of mixtures of sand, hydrated alumina, and boron carbide. Elemental analyses were performed primarily to discover the quantities of any strong thermal neutron absorbers that may have been present in the mixture in unknown trace quantities.
Date: July 31, 1996
Creator: Watson, W.T., Westinghouse Hanford
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Moisture measurement perturbations of the surface neutron probe resulting from waste material properties and arrangements

Description: Experimental tests and computer simulations of a surface neutron moisture measurement probe have been performed to determine the effects that different material variations and arrangements are expected to have upon probe moisture measurement error. This work supplements the existing probe calibration to changes in waste moisture concentration and should aid in the selection of the best in-tank measurement locations.
Date: October 29, 1996
Creator: Watson, W.T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Surface moisture measurement system hardware acceptance test report

Description: This document summarizes the results of the hardware acceptance test for the Surface Moisture Measurement System (SMMS). This test verified that the mechanical and electrical features of the SMMS functioned as designed and that the unit is ready for field service. The bulk of hardware testing was performed at the 306E Facility in the 300 Area and the Fuels and Materials Examination Facility in the 400 Area. The SMMS was developed primarily in support of Tank Waste Remediation System (TWRS) Safe… more
Date: May 28, 1996
Creator: Ritter, G. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Arms control and nonproliferation technologies. First quarter 1995

Description: This first quarter issue for 1995 highlights the Small Business Innovation Research (SBIR) program. The SBIR program is managed by the DOE`s Basic Energy Sciences program within the Office of Energy Research. Each year, the SBIR program solicits research ideas of interest to the DOE. Articles contained in this issue include: The Small Business Innovation Research Program supported by the Office of Nonproliferation and National Security; Automated cueing to man-made objects via multispectral ima… more
Date: January 1, 1995
Creator: Staehle, G; Alonzo, G M & Sanford, N M
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Functional design criteria for the self-installing liquid observation well

Description: This document presents the functional design criteria for installing liquid observation wells (LOWs) into single-shell tanks containing ferrocyanide wastes. The LOWs will be designed to accommodate the deployment of gamma, neutron, and electromagnetic induction probes and to interface with the existing tank structure and environment.
Date: June 16, 1995
Creator: Parra, S.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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NEUTRON IMAGING, RADIOGRAPHY AND TOMOGRAPHY.

Description: Neutrons are an invaluable probe in a wide range of scientific, medical and commercial endeavors. Many of these applications require the recording of an image of the neutron signal, either in one-dimension or in two-dimensions. We summarize the reactions of neutrons with the most important elements that are used for their detection. A description is then given of the major techniques used in neutron imaging, with emphasis on the detection media and position readout principle. Important characte… more
Date: March 2002
Creator: Smith, G. C.
Item Type: Refine your search to only Book
Partner: UNT Libraries Government Documents Department
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Functional design criteria for the self-installing liquid observation well. Revision 2

Description: This document presents the functional design criteria for installing liquid observation wells (LOWs) into single-shell tanks containing ferrocyanide or organic wastes. The LOWs will be designed to accommodate the deployment of gamma, neutron, and electromagnetic induction probes and to interface with the existing tank structure and environment.
Date: December 4, 1995
Creator: Parra, S.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

High resolution imaging of vadose zone transport using crosswell radar and seismic methods

Description: The summary and conclusions are that overall the radar and seismic results were excellent. At the time of design of the experiments we did not know how well these two methods could penetrate or resolve the moisture content and structure. It appears that the radar could easily go up to 5, even 10 meters between boreholes at 200 Mhz and even father (up to 20 to 40 m) at 50 Mhz. The seismic results indicate that at several hundred hertz propagation of 20 to 30 meters giving high resolution is poss… more
Date: October 10, 2001
Creator: Majer, Ernest L.; Williams, Kenneth H.; Peterson, John E. & Daley, Thomas E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Synopsis of moisture monitoring by neutron probe in the unsaturated zone at Area G

Description: Moisture profiles from neutron probe data provide valuable information in site characterization and to supplement ground water monitoring efforts. The neutron probe precision error (reproducibility) is found to be about 0.2 vol% under in situ field conditions where the slope in moisture content with depth is varying slowly. This error is about 2 times larger near moisture spikes (e.g., at the vapor phase notch), due to the sensitivity of the probe response to vertical position errors on the ord… more
Date: December 31, 1997
Creator: Vold, E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Engineering task plan for determining the interstitial liquid level in tank 241-SY-101 utilizing a neutron probe in the multifunction instrument tree

Description: This plan outlines the steps to be taken to modify existing neutron/gamma probe designs to allow insertion of these probes into the multifunction instrument trees (MITs) at tank 241-SY-101. The objective is to locate and track this tank's Interstitial Liquid Level (ILL). This plan provides scope, schedule, and cost estimates to achieve this objective, and assigns individual organizational responsibilities to carry out this task.
Date: February 23, 1999
Creator: CANNON, N.S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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System design description for surface moisture measurement system (SMMS)

Description: The SMMS has been developed to measure moisture in the top few centimeters of tank waste. The SMMS development was initiated by the preliminary findings of SAR-033, and does not necessarily fulfill any established DQO. After the SAR-033 is released, if no significant changes are made, moisture measurements in the organic waste tanks will rapidly become a DQO. The SMMS was designed to be installed in any 4 inch or larger riser, and to allow maximum adjustability for riser lengths, and is used to… more
Date: September 23, 1996
Creator: Vargo, G.F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Field investigation of the drift shadow

Description: A drift shadow is an area immediately beneath an undergroundvoidthat, in theory, will be relatively drier than the surrounding rockmass. Numerical and analytical models of water flow through unsaturatedrock predict the existence of a drift shadow, but field tests confirmingits existence have yet to be performed. Proving the existence of driftshadows and understanding their hydrologic and transport characteristicscould provide a better understanding of how contaminants move in thesubsurface if r… more
Date: September 8, 2005
Creator: Su, Grace W.; Kneafsey, Timothy J.; Ghezzehei, Teamrat A.; Marshall, Brian D. & Cook, Paul J.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Surface moisture measurement system hardware acceptance test procedure

Description: The purpose of this acceptance test procedure is to verify that the mechanical and electrical features of the Surface Moisture Measurement System are operating as designed and that the unit is ready for field service. This procedure will be used in conjunction with a software acceptance test procedure, which addresses testing of software and electrical features not addressed in this document. Hardware testing will be performed at the 306E Facility in the 300 Area and the Fuels and Materials Exa… more
Date: February 1, 1996
Creator: Ritter, G. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

User`s manual for the TMAD code

Description: This document serves as the User`s Manual for the TMAD code system, which includes the TMAD code and the LIBMAKR code. The TMAD code was commissioned to make it easier to interpret moisture probe measurements in the Hanford Site waste tanks. In principle, the code is an interpolation routine that acts over a library of benchmark data based on two independent variables, typically anomaly size and moisture content. Two additional variables, anomaly type and detector type, also can be considered i… more
Date: October 9, 1995
Creator: Finfrock, S. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

System verification and validation report for the TMAD code

Description: This document serves as the Verification and Validation Report for the TMAD code system, which includes the TMAD code and the LIBMAKR Code. The TMAD code was commissioned to facilitate the interpretation of moisture probe measurements in the Hanford Site waste tanks. In principle, the code is an interpolation routine that acts over a library of benchmark data based on two independent variables, typically anomaly size and moisture content. Two additional variables, anomaly type and detector type… more
Date: October 6, 1995
Creator: Finfrock, S. H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

New developments in APSTNG neutron probe diagnostics

Description: The development and investigation of a small associated-particle sealed-tube neutron generator (APSTNG) show potential to allow the associated-particle diagnostic method to be moved out of the laboratory into field applications. The APSTNG interrogates the inspected object with 14-MeV neutrons generated from the deuterium-tritium reaction and detects the alpha-particle associated with each neutron inside a cone encompassing the region of interest. Gamma-ray spectra of resulting neutron reaction… more
Date: December 1995
Creator: Rhodes, E. & Dickerman, C. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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The Nevada Test Site neutron log calibrator

Description: A new calibrator for neutron logs in large-diameter holes has been built at the Nevada Test Site. It consists of two cylinders, each made of six wedge-shaped cells. The outside diameter of each cylinder is 4.8 m, and the inside diameter is 2.4 m; the height is 2.3 m. The cells were filled with mixtures of hydrated alumina, tabular alumina, sand, and water to achieve a large range of bulk density and hydrogen index. A new calibration algorithm, using three-dimensional interpolation in hydrogen i… more
Date: February 1, 1994
Creator: Hearst, J. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Associated-particle sealed-tube neutron probe for characterization of materials

Description: A neutron diagnostic probe system has been developed that can identify and image most elements having a larger atomic number than boron. It can satisfy van-mobile and fixed-portal requirements for nondestructive detection of contraband drugs, explosives, and nuclear and chemical warfare weapon materials, and for treaty verification of sealed munitions and remediation of radioactive waste. The probe is based on a nonpulsed associated-particle sealed-tube neutron generator (APSTNG) that interroga… more
Date: October 1, 1993
Creator: Rhodes, E.; Dickerman, C. E. & Peters, C. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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T Tank Farm Interim Surface Barrier Demonstration - Vadose Zone Monitoring FY09 Report

Description: DOE’s Office of River Protection constructed a temporary surface barrier over a portion of the T Tank Farm as part of the T Farm Interim Surface Barrier Demonstration Project. As part of the demonstration effort, vadose zone moisture is being monitored to assess the effectiveness of the barrier at reducing soil moisture. A solar-powered system was installed to continuously monitor soil water conditions at four locations (i.e., instrument Nests A, B, C, and D) beneath the barrier and outside the… more
Date: January 1, 2010
Creator: Zhang, Z. F.; Strickland, Christopher E.; Field, Jim G. & Parker, Danny L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Advances in associated-particle sealed-tube neutron probe diagnostics for substance detection

Description: The development and investigation of a small associated-particle sealed-tube neutron generator (APSTNG) shows potential to allow the associated-particle diagnostic method to be moved out of the laboratory into field applications. The APSTNG interrogates the inspected object with 14-MeV neutrons generated from the deuterium-tritium reaction and detects the alpha-particle associated with each neutron inside a cone encompassing the region of interest. Gamma-ray spectra of resulting neutron reactio… more
Date: July 1, 1995
Creator: Rhodes, E.; Dickerman, C.E. & Frey, M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Nuclear Magnetic Resonance Imaging of Water Content in the Subsurface

Description: This report contains the experimental, theoretical and numerical studies performed under Department of Energy (DOE) Agreement Number DE-FG07-96ER14732 entitled ''Surface Nuclear Magnetic Resonance for Imaging Subsurface Water.'' DOE and Department of Defense (DOD) complexes and test ranges are situated in widely varying climatic conditions from the desert southwest to the humid east. The mission of the Office of Environmental Restoration and Waste Management (EM) is to clean up the inventory of… more
Date: December 31, 1999
Creator: Hendrickx, Jan M.H.; Yao, T. & Kearns, Anne
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

T Tank Farm Interim Surface Barrier Demonstration--Vadose Zone Monitoring Plan

Description: The Hanford Site has 149 underground single-shell tanks that store hazardous radioactive waste. Many of these tanks and their associated infrastructure (e.g., pipelines, diversion boxes) have leaked. Some of the leaked waste has entered the groundwater. The largest known leak occurred from the T-106 Tank in 1973. Many of the contaminants from that leak still reside within the vadose zone beneath the T Tank Farm. CH2M Hill Hanford Group, Inc. seeks to minimize movement of this residual contamina… more
Date: April 1, 2007
Creator: Zhang, Z. F.; Keller, Jason M. & Strickland, Christopher E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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