2,702 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Decontamination"  
Results: 1 - 24 next
open access

NRC plan for cleanup operations at Three Mile Island Unit 2

Description: This NRC Plan, which defines NRC's functional role in cleanup operations at Three Mile Island Unit 2 and outlines NRC's regulatory responsibilities in fulfilling this role, is the first revision to the initial plan issued in July 1980 (NUREG-0698). Since 1980, a number of policy developments have occurred which will have an impact on the course of cleanup operations. This revision reflects these developments in the area of NRC's review and approval process with regard to cleanup … more
Date: February 1, 1982
Creator: Lo, R. & Snyder, B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Decontamination of Savannah River Plant H-Area hot-canyon crane

Description: Decontamination techniques applicable to the remotely operated bridge cranes in canyon buildings at the Savannah River Plant (SRP) were identified and were evaluated in laboratory-scale tests. High pressure Freon blasting was found to be the most attractive process available for this application. Strippable coatings were selected as an alternative technique in selected applications. The ability of high pressure Freon blasting plus two strippable coatings (Quadcoat 100 and Alara 1146) to remove … more
Date: January 1, 1985
Creator: Rankin, W N & Sims, J R
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Recovery of plutonium and americium from chloride salt wastes by solvent extraction

Description: Plutonium and americium can be recovered from aqueous waste solutions containing a mixture of HCl and chloride salt wastes by the coupling of two solvent extraction systems: tributyl phosphate (TBP) in tetrachloroethylene (TCE) and octyl(phenyl)-N,N-diisobutylcarbamoylmethylphosphine oxide (CMPO) in TCE. In the flowsheet developed, the salt wastes are dissolved in HCl, the Pu(III) is oxidized to the IV state with NaClO/sub 2/ and recovered in the TBP-TCE cycle, and the Am is then removed from t… more
Date: January 1, 1987
Creator: Reichley-Yinger, L. & Vandegrift, G.F.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Westinghouse Hanford Company waste minimization and pollution prevention awareness program plan

Description: The purpose of this plan is to establish the Westinghouse Hanford Company's Waste Minimization Program. The plan specifies activities and methods that will be employed to reduce the quantity and toxicity of waste generated at Westinghouse Hanford Company (Westinghouse Hanford). It is designed to satisfy the US Department of Energy (DOE) and other legal requirements that are discussed in Subsection C of the section. The Pollution Prevention Awareness Program is included with the Waste Minimizati… more
Date: August 1, 1991
Creator: Craig, P.A.; Nichols, D.H. & Lindsey, D.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Interactive planning system for developing decommissioning and decontamination plans at Hanford

Description: The 570-square mile Hanford Project contains facilities with varying degrees of radioactive contamination as a result of plutonium production operations. With the evolution of production requirements and technology, many of these have been retired and will be decommissioned and decontaminated (D and D). Planning for D and D at Hanford requires identification and characterization of contaminated facilities, prioritization of facilities for decommissioning, selection of D and D modes, estimating … more
Date: September 1, 1977
Creator: Litchfield, J. W. & King, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

INEL waste cleanup

Description: Decommissioning and decontamination activities at the Idaho National Engineering Laboratory are discussed. The projects planned and completed are presented. Problems encountered on these projects are discussed. A developmental program is recommended. Contaminated areas consist of test reactors, reactor support facilities, a fuel reprocessing facility and various soil areas. One D and D project in 1960 occurred as a result of an accident at a low-power reactor in which 3 persons were killed, the… more
Date: January 1, 1979
Creator: Chapin, J.A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Radiological assessment report for the Lansdowne property, 105-107 East Stratford Avenue, Lansdowne, Pennsylvania, October-December 1984

Description: Areas with elevated levels of radioactivity were found throughout both residences, as well as on the surrounding property. Contamination was also found in the garage behind the 105 East structure. The 105 East residence had substantially more contamination than the 107 East residence, as was expected. The chimneys, particularly the rear chimney, from the 105 East residence had extensive contamination, indicating that contaminated materials may have been burned at the site. The high background r… more
Date: September 1, 1985
Creator: Wynveen, R.A.; Smith, W.H.; Sholeen, C.M. & Flynn, K.F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Weldon Spring quarry construction staging area and water treatment plant site remedial action characterization report for the Weldon Spring Site Remedial Action Project, Weldon Spring, Missouri

Description: The quarry construction staging area (QCSA) and water treatment plant (WTP) are located in the areas that border the western edge of the Weldon Spring quarry (WSQ). These facilities were constructed to support bulk waste removal from the WSQ. This area was contaminated with U-238, Ra-226, and Th-230 and was remediated prior to construction in order to allow release of the area for use without radiological restrictions. This report documents the methods of characterization, the remediation activ… more
Date: September 1, 1991
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Microbial uptake of uranium, cesium, and radium

Description: The ability of diverse microbial species to concentrate uranium, cesium, and radium was examined. Saccharomyces cerevisiae, Pseudomonas aeruginosa, and a mixed culture of denitrifying bacteria accumulated uranium to 10 to 15% of the dry cell weight. Only a fraction of the cells in a given population had visible uranium deposits in electron micrographs. While metabolism was not required for uranium uptake, mechanistic differences in the metal uptake process were indicated. Uranium accumulated sl… more
Date: January 1, 1980
Creator: Strandberg, G. W.; Shumate, S. E., II; Parrott, J. R., Jr. & McWhirter, D. A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Chemistry research and development. Progress report, December 1978-May 1979. [Component, pilot plant, instrumentation]

Description: Progress and activities are reported on component development, pilot plant development, and instrumentation and statistical systems. Specific items studied include processing of pond sludge, transport of radioactive materials and wastes, corrosion, decontamination and cleaning, fluidized-bed incineration, Pu contamination of soils, chemical analysis, radiometric analysis, security. (DLC)
Date: June 30, 1980
Creator: Miner, F. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Treatment of radioactive mixed wastes in commercial low-level wastes

Description: Management options for three generic categories of radioactive mixed waste in commercial low-level wastes have been identified and evaluated. These wastes were characterized as part of a BNL study in which a large number of generators were surveyed for information on potentially hazardous low-level wastes. The general management targets adopted for mixed wastes are immobilization, destruction, and reclamation. It is possible that these targets may not be practical for some wastes, and for these… more
Date: January 1, 1985
Creator: Kempf, C.R. & MacKenzie, D.R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Comprehensive work plan and health and safety plan for the 7500 Area Contamination Site sampling at Oak Ridge National Laboratory, Oak Ridge, Tennessee

Description: As part of the Environmental Restoration Program sponsored by the US Department of Energy's Office of Environmental Restoration and Waste Management, this plan has been developed for the environmental sampling efforts at the 7500 Area Contamination Site, Oak Ridge National Laboratory (ORNL), Oak Ridge, Tennessee. This plan was developed by the Measurement Applications and Development Group (MAD) of the Health and Safety Research Division of ORNL and will be implemented by ORNL/MAD. Major compon… more
Date: May 1, 1992
Creator: Burman, S. N.; Landguth, D. C.; Uziel, M. S.; Hatmaker, T. L. & Tiner, P. F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Remediation technology needs and applied R&D initiatives

Description: The US Department of Energy (DOE) recently consolidated its environmental restoration and waste management activities. Within that new organization, DOE has committed to support Research, Development, Demonstration, Testing and, Evaluation (RDDT E) activities with the following objectives: rapidly advance beyond currently available technologies; provide solutions to key technical issues that will improve effectiveness, efficiency, and safety; and enhance DOE's ability to meet its 30-year compli… more
Date: January 1, 1991
Creator: Lien, S. C. T.; Levine, R. S.; Beskid, N. J.; Devgun, J. S.; Erickson, M. D. & Webster, S. L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Work plan to assess treatment of trench water from Waste Area Grouping 6 at Oak Ridge National Laboratory, Oak Ridge, Tennessee

Description: Water from a selected waste disposal trench in Waste Area Grouping (WAG) 6 will be used to conduct a pilot-scale treatment assessment. The experiment will be designed to demonstrate whether adding WAG 6 trench water to the wastewater treatment facilities at Oak Ridge National Laboratory (ORNL) will change the regulatory status of the solid wastes produced by these facilities. Laboratory-scale treatability tests conducted in 1990 showed that the existing ORNL wastewater treatment facilities coul… more
Date: March 1, 1992
Creator: Taylor, P.A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Environmental Audit of the Grand Junction Projects Office

Description: The Grand Junction Projects Office (GJPO) is located in Mesa County, Colorado, immediately south and west of the Grand Junction city limits. The US Atomic Energy Commission (AEC) established the Colorado Raw Materials Office at the present-day Grand Junction Projects Office in 1947, to aid in the development of a viable domestic uranium industry. Activities at the site included sampling uranium concentrate; pilot-plant milling research, including testing and processing of uranium ores; and oper… more
Date: August 1, 1991
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Summary of the engineering assessment of inactive uranium-mill tailings: Canonsburg Site, Canonsburg, Pennsylvania

Description: Ford, Bacon and Davis Utah Inc. has evaluated the Canonsburg site in order to assess the problems resulting from the existence of radioactive residues at Canonsburg, Pennsylvania. This engineering assessment has included the preparation of topographic maps, radiometric measurements sufficient to determine areas and volumes of tailings and radiation exposures of individuals and nearby populations, the investigations of site hydrology and meteorology, and the evaluation and costing of alternative… more
Date: April 1, 1982
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Answers to questions about updated estimates of occupational radiation doses at Three Mile Island, Unit 2

Description: The purpose of this question and answer report is to provide a clear, easy-to-understand explanation of revised radiation dose estimates which workers are likely to receive over the course of the cleanup at Three Mile Island, Unit 2, and of the possible health consequences to workers of these new estimates. We will focus primarily on occupational dose, although pertinent questions about public health and safety will also be answered.
Date: December 1, 1983
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Survey of decontamination and decommissioning techniques

Description: Reports and articles on decommissioning have been reviewed to determine the current technology status and also attempt to identify potential decommissioning problem areas. It is concluded that technological road blocks, which limited decommissioning facilities in the past have been removed. In general, techniques developed by maintenance in maintaining the facility have been used to decommission facilities. Some of the more promising development underway which will further simplify decommission… more
Date: May 25, 1977
Creator: Kusler, L.E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analysis of Lime-Slurry Stirred Tank Carbonation Reactor

Description: Gas residence time distributions were determined for a stirred tank carbonation reactor. Empirical correlations for the first and second moments of the residence time distribution (RTD) curves as functions of flow rates and impeller speeds were obtained. Decontamination factors for /sup 85/Kr were measured.
Date: September 23, 1977
Creator: McAleese, J. P.; Belt, B. A.; Datesh, J. R. & Shaeffer, M. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

DOE solvent handbook information sheet

Description: Solvents and cleaners are used in the Department of Defense (DOD) and the Department of Energy-Defense Program (DOE-DP) maintenance facilities for removing wax, grease, oil, carbon, machining fluids, solder fluxes, mold releases, and other contaminants before repairing or electroplating parts. Private industry also uses cleaners and degreasers for surface preparation of various metals. Growing environmental and worker safety concerns have brought attention to these solvents and cleaners, most o… more
Date: January 1, 1992
Creator: Chavez, Angela A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Dewatering equipment recommendations for the solids/liquid separation project at Waste Area Grouping 6 at Oak Ridge National Laboratory, Oak Ridge, Tennessee

Description: The final closure of Waste Area Grouping (WAG) 6 at Oak Ridge National Laboratory will include the plugging and abandonment of many existing wells and boreholes and the installation of diversion trenches for groundwater control. These activities will generate soil that must be dewatered before it can be disposed of. Three different types of dewatering equipment{emdash}rotary vacuum drum filters, automatic discharge pressure filters, and centrifuges{emdash}have been evaluated to assess their sui… more
Date: May 1, 1992
Creator: Taylor, P. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Steam Generator Group Project. Semiannual progress report, July-December 1982

Description: The Steam Generator Group Project (SGGP) is an NRC program joined by additional sponsors. The SGGP utilizes a steam generator removed from service at a nuclear plant as a vehicle for research on a variety of safety and reliability issues. This report is a semi-annual summary of progress of the program. Information is presented on positioning the generator into the Steam Generator Examination Facility, and examination of the secondary side to confirm pretransport generator condition. The report … more
Date: January 1, 1984
Creator: Clark, R. A. & Lewis, M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Actinide Partitioning and Transmutation Program. Progress report, April 1--June 30, 1977

Description: Experimental work on the 16 tasks comprising the Actinide Partitioning and Transmutation Program was continued. Summaries of work are given on Purex Process modifications, actinide recovery, Am-Cm recovery, radiation effects on ion exchangers, LMFBR transmutation studies, thermal reactor transmutation studies, fuel cycle studies, and partitioning-transmutation evaluation. (JRD)
Date: October 1, 1977
Creator: Tedder, D. W. & Blomeke, J. O.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
Back to Top of Screen