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Protecting subcontractor personnel during hazardous waste site characterization

Description: This paper covers Industrial Hygiene involvement in the Site Characterization Program, focusing on the field oversight responsibilities. It discusses the different types and levels of protective equipment, gives an example of the type of situation that can arise from field characterization efforts, and gives a brief summary of health protection program elements. 3 figs., 3 tabs.
Date: January 1, 1987
Creator: Lankford, B.R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Recharge at the Hanford Site: Status report

Description: A variety of field programs designed to evaluate recharge and other water balance components including precipitation, infiltration, evaporation, and water storage changes, have been carried out at the Hanford Site since 1970. Data from these programs have indicated that a wide range of recharge rates can occur depending upon specific site conditions. Present evidence suggests that minimum recharge occurs where soils are fine-textured and surfaces are vegetated with deep-rooted plants. Maximum r… more
Date: November 1, 1987
Creator: Gee, G.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Laboratory leach tests of phosphate/sulfate waste grout and leachate adsorption tests using Hanford sediment

Description: An assessment of the long-term risks posed by grout disposal at Hanford requires data on the ability of grout to resist leaching of waste species contained in the grout via contact with water that percolates through the ground. Additionally, data are needed on the ability of Hanford sediment (soil) surrounding the grout and concrete vault to retard migration of any wastes released from the grout. This report describes specific laboratory experiments that are producing empirical leach rate data … more
Date: December 1, 1987
Creator: Serne, R. J.; Martin, W. J.; McLaurine, S. B.; Airhart, S. P.; LeGore, V. L. & Treat, R. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Ground-water monitoring compliance projects for Hanford Site facilities: Progress Report for the Period July 1 to September 30, 1987

Description: This report documents the progress of four Hanford Site ground-water monitoring projects for the period from July 1 to September 310, 1987. The four disposal facilities are the 300 Area Process Trenches, 183-H Solar Evaporation Basins, 200 Area Low-Level Burial Grounds, and Nonradioactive Dangerous Waste (NRDW) Landfill. This report is the fifth in a series of periodic status reports. During this reporting period, field activities consisted of completing repairs on five monitoring wells origina… more
Date: November 1, 1987
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Ground-water monitoring compliance projects for Hanford Site facilities: Volume 1, The report and Appendix A, Progress report for the period October 1 to December 31, 1986

Description: This report documents recent progress on ground-water monitoring projects for four Hanford Site facilities: the 300 Area Process Trenches, the 183-H Solar Evaporation Basins, the 200 Area Low-Level Burial Grounds, and the Nonradioactive Dangerous Waste (NRDW) Landfill. The existing ground-water monitoring projects for the first two facilities named in the paragraph above are currently being expanded by adding new wells to the networks. During the reporting period, sampling of the existing wells… more
Date: February 1, 1987
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Technical data summary: Plan for closure of the 643-G burial ground

Description: This report involves the actions of closing the 643-G burial ground which involves waste removal, stabilization, and capping. Remedial action involves the removing of the transuranic waste and closing of the grid wells. The closure cap for the burial site will consist of native soil, clay, and gravel. This will assure long-term physical and chemical stability. (MB)
Date: August 17, 1987
Creator: Cook, J. R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Sensitivity analysis of predictive models with an automated adjoint generator

Description: The adjoint method is a well established sensitivity analysis methodology that is particularly efficient in large-scale modeling problems. The coefficients of sensitivity of a given response with respect to every parameter involved in the modeling code can be calculated from the solution of a single adjoint run of the code. Sensitivity coefficients provide a quantitative measure of the importance of the model data in calculating the final results. The major drawback of the adjoint method is the… more
Date: January 1, 1987
Creator: Pin, F.G. & Oblow, E.M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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ORNL Liquid Low-Level Waste Solidification

Description: The solidification of LLLW at ORNL has developed two basic strategies, a near-term or backup flowsheet is planned to alleviate the immediate capacity problem for storage of concentrated LLLW and a long-term or reference flowsheet is planned to incorporate filtration of the settleable TRU and cesium and strontium decontamination of the LLLW. Presently a feasibility study is evaluating the process alternatives for segregating LLLW from remote-handled transuranic (RH-TRU) sludges, decontamination … more
Date: January 1, 1987
Creator: Schultz, R. M.; Monk, T. H.; du Mont, S. P.; Helms, R. E.; Keigan, M. V. & Morris, M. I.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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In situ grouting of buried transuranic waste with polyacrylamide

Description: This project is a demonstration and evaluation of the in situ hydrologic stabilization of buried transuranic waste at a humid site via grout injection. Two small trenches, containing buried transuranic waste, were filled with 34.000 L of polyacrylamide grout. Initial field results have indicated that voids within the trenches were totally filled by the grout and that the intratrench hydraulic conductivity was reduced to below field-measurable values. No evidence of grout constituents were obser… more
Date: January 1, 1987
Creator: Spalding, B. P.; Lee, S. Y.; Farmer, C. D.; Hyder, L. K. & Supaokit, P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Recommendations to the NRC for review criteria for alternative methods of low-level radioactive waste disposal: Task 2a, Below-ground vaults

Description: The US Army Engineer Waterways Experiment Station (WES) and the US Army Engineer Division, Huntsville (HNDED) have developed general design criteria and specific design review criteria for the below-ground vault (BGV) alternative method of low-level radioactive waste (LLW) disposal. A BGV is a reinforced concrete vault (floor, walls, and roof) placed underground below the frost line, and above the water table, surrounded by filter blanket and drainage zones and covered with a low permeability e… more
Date: December 1, 1987
Creator: Denson, R. H.; Bennett, R. D.; Wamsley, R. M.; Bean, D. L. & Ainsworth, D. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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In situ vitrification demonstration for the stabilization of buried wastes at the Oak Ridge National Laboratory

Description: A demonstration of In Situ Vitrification (ISV) technology for the stabilization of radioactively contaminated soil sites at the Oak Ridge National Laboratory (ORNL) was successfully completed during July 1987. This demonstration is the first application of the ISV process not performed at the Hanford Site, where the technology was developed. The joint ORNL-PNL pilot-scale demonstration was performed on a 3/8-scale trench (2 m deep x 1 m wide x 10 m long) that was constructed to simulate a typic… more
Date: January 1, 1987
Creator: Jacobs, G. K.; Spalding, B. P.; Carter, J. G. & Koegler, S. S.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Evaluation of waste treatment technologies by LLWDDD (Low-Level Waste Disposal Development and Demonstration) Programs

Description: Waste treatments are divided into four categories: (1) volume reduction; (2) conditioning to improve waste form performance; (3) segregation to achieve waste reduction; and (4) separation to remove radioactive (or hazardous) constituents. Two waste treatment demonstrations are described. In the first, volume reduction by mechanical means was achieved during the supercompaction of 300 55-gal drums of solid waste at ORNL. In the second demonstration, conditioning of waste through immobilization a… more
Date: January 1, 1987
Creator: Kennerly, J.M.; Williams, L.C.; Dole, L.R. & Genung, R.K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Systematic approach for the design of pumpable cement-based grouts for immobilization of hazardous wastes

Description: Cement-based grouts have been proven to be an economical and environmentally acceptable means of waste disposal. Costs can be reduced if the grout is pumped to the disposal site. This paper presents a systematic approach to guide the development of pumpable grouts. 20 refs., 2 figs.
Date: January 1, 1987
Creator: Sams, T. L. & Gilliam, T. M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Solidification of commercial and defense low-level radioactive waste in polyethylene

Description: A process was developed for the solidification of salt wastes, incinerator ash and ion-exchange resins in polyethylene. Of the salt wastes, sodium sulfate and boric acid are representative of the wastes produced at commercial nuclear facilities while sodium nitrate in a typical high-volume waste generated at defense-related facilities. Ease of processibility and high loading efficiencies were obtained through the use of low-density polyethylene with melt indices ranging from 2.0 to 55.0 g/minut… more
Date: August 1, 1987
Creator: Franz, E.M.; Heiser, L.H. & Colombo, P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Oak Ridge greater confinement disposal demonstrations

Description: Demonstrations are being conducted in association with the disposal of a high activity low-level waste (LLW) stream. The waste stream in question will result from the cement solidification of decanted liquids from the Melton Valley Storage Tanks (MVST). The solid waste will be produced beginning in mid summer 1988. It is anticipated to have significant concentrations of Cs-137 and Sr-90, with smaller amounts of other radionuclides and <100 nCi/gm of TRU. The solid waste forms are expected to ha… more
Date: January 1, 1987
Creator: Van Hoesen, S.D. & Clapp, R.B.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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PRESTO-II computer code for safety assessment on shallow land disposal of low-level wastes

Description: The PRESTO-II (Prediction of Radiation Effects from Shallow Trench Operations) computer code has been applied for the following sites; Koteyli, Balikesir and Kozakli, Nevsehir in Turkey. This site selection was based partially on the need to consider a variety of hydrologic and climatic situations, and partially on the availability of data. The results obtained for the operational low-level waste disposal site at Barnwell, South Carolina, are presented for comparison. 6 refs., 2 figs., 1 tab.
Date: January 1, 1987
Creator: Uslu, I.; Fields, D.E. & Yalcintas, M.G.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Studies involving proposed waste disposal facilities in Turkey

Description: Today principal sources of radioactive wastes are hospitals, research institutions, biological research centers, universities, industries and two research reactors in Turkey. These wastes will be treated in a pilot waste treatment facility located in Cekmece Nuclear Research and Training Center, Istanbul. In this temporary waste disposal facility, the wastes will be stored in 200 liter concrete containers until the establishment of the permanent waste disposal sites in Turkey, in 1990. The PRES… more
Date: January 1, 1987
Creator: Uslu, I.; Fields, D.E. & Yalcintas, M.G.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Characterization of waste streams on the Oak Ridge Reservation

Description: The Oak Ridge Reservation (ORR) plants generate solid low-level waste (LLW) that must be disposed of or stored on-site. The available disposal capacity of the current sites is projected to be fully utilized during the next decade. An LLW disposal strategy has been developed by the Low-Level Waste Disposal Development and Demonstration (LLWDDD) Program as a framework for bringing new, regulator-approved disposal capacity to the ORR. An increasing level of waste stream characterization will be ne… more
Date: January 1, 1987
Creator: Rivera, A. L.; Osborne-Lee, I. W.; Jackson, A. M.; Butcher, B. T., Jr. & Van Cleve, J. E., Jr.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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A detection-level hazardous waste ground-water monitoring compliance plan for the 200 areas low-level burial grounds and retrievable storage units

Description: This plan defines the actions needed to achieve detection-level monitoring compliance at the Hanford Site 200 Areas Low-Level Burial Grounds (LLBG) in accordance with the Resource Conservation and Recovery Act (RCRA). Compliance will be achieved through characterization of the hydrogeology and monitoring of the ground water beneath the LLBG located in the Hanford Site 200 Areas. 13 refs., 20 figs.
Date: February 1, 1987
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Modeling of low-level-waste disposal for environmental impact analysis

Description: A computer model was developed to analyze environmental impacts resulting from disposal of both radioactive and chemical wastes. The model simulates a waste-disposal system and includes infiltration through disposal cell caps, source leach rates, and solute transport in geologic media. The solute transport model used is a modified version of an analytical code originally developed at Oak Ridge National Laboratory. The solute transport code was modified based on the Group-Transfer Concentration … more
Date: January 1, 1987
Creator: Yu, C.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Model assessment of protective barrier designs: Part 2

Description: Protective barriers are being considered for use at the Hanford Site to enhance the isolation of radioactive wastes from water, plant, and animal intrusion. This study assesses the effectiveness of protective barriers for isolation of wastes from water. In this report, barrier designs are reviewed and several barrier modeling assumptions are tested. 20 refs., 16 figs., 6 tabs.
Date: November 1, 1987
Creator: Fayer, M.J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Environmental surveillance of low-level radioactive waste management areas at Los Alamos during 1985

Description: This report was compiled as a part of the DOE-sponsored radioactive waste site surveillance program at Los Alamos National Laboratory. The report is a source document for data collected in 1985. However, an attempt is made to interpret the data as it relates to radionuclide transport to serve in guiding future waste site surveillance activities. This report contains information on one active and 11 inactive radioactive waste management areas at Los Alamos. Sections include the use history, curr… more
Date: January 1, 1987
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Progress in development of an accelerated leach test for low-level radioactive waste forms

Description: Factors that accelerate leaching from solidified low-level radioactive waste are being investigated to develop a short-term leach test that can be used to predict long-term releases. Data from work with portland cement containing radioactive tracers indicate that elevated temperatures can accelerate leaching of Ce-137 by at least a factor of eleven without changing the leaching mechanism. An 18 day leach test at 50/sup 0/C provided the equivalent of 200 days data taken at 20/sup 0/C. Portland c… more
Date: August 1, 1987
Creator: Fuhrmann, M.; Pietrzak, R.; Dougherty, D. & Colombo, P.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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