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Respiratory Protection For Uranium Miners
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Book Synopsis Respiratory Protection for Uranium Miners by :
Download or read book Respiratory Protection for Uranium Miners written by and published by . This book was released on 1969 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of analyzing filter samples by alpha spectroscopy was developed for accurately determining the airborne concentrations of RaA, RaB, and RaC in atmospheres contaminated with radon. The method was used to determine the concentration of radon daughter products in a uranium mine atmosphere and to evaluate respiratory protective devices worn by miners. Measurements of the radon daughter activity deposited in the respiratory tract of person exposed to a representative mine atmosphere indicated average percent depositions of 50.7%, 43.9% and 41.4% for the RaA, RaB and RaC components. The fraction of the activity deposited depended on the properties of the aerosol inhaled and on the breathing pattern of the subject. Increased deposition was observed for large tidal volumes and low breathing rates. Several commercial and experimental respirator filters were tested for their ability to remove the radon daughter activity encountered in a mine atmosphere. High removal efficiencies were exhibited by densely packed fiber filters and by resin-impregnated wool filters. An in vivo counting system capable of detecting the RaC activity present in the respiratory tract of working miners was used to estimate the protection afforded by respirators under mining conditions. Protection factors of 5 to 10 were achieved by several commercial respirators.
Book Synopsis Respiratory Protection for Uranium Miners by :
Download or read book Respiratory Protection for Uranium Miners written by and published by . This book was released on 1969 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt: A method of analyzing filter samples by alpha spectroscopy was developed for accurately determining the airborne concentrations of RaA, RaB, and RaC in atmospheres contaminated with radon. The method was used to determine the concentration of radon daughter products in a uranium mine atmosphere and to evaluate respiratory protective devices worn by miners. Measurements of the radon daughter activity deposited in the respiratory tract of person exposed to a representative mine atmosphere indicated average percent depositions of 50.7%, 43.9% and 41.4% for the RaA, RaB and RaC components. The fraction of the activity deposited depended on the properties of the aerosol inhaled and on the breathing pattern of the subject. Increased deposition was observed for large tidal volumes and low breathing rates. Several commercial and experimental respirator filters were tested for their ability to remove the radon daughter activity encountered in a mine atmosphere. High removal efficiencies were exhibited by densely packed fiber filters and by resin-impregnated wool filters. An in vivo counting system capable of detecting the RaC activity present in the respiratory tract of working miners was used to estimate the protection afforded by respirators under mining conditions. Protection factors of 5 to 10 were achieved by several commercial respirators.
Book Synopsis Protection Against Radon Progeny Inhalation Using Filter Type Respirators by :
Download or read book Protection Against Radon Progeny Inhalation Using Filter Type Respirators written by and published by . This book was released on 1969 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt: The efficiencies of several respiratory protective devices in removing the airborne radon daughter activity found in underground uranium mines were determined under standardized test conditions. The protection afforded to working uranium miners by simple filter respirators was estimated by comparison in vivo counting of the internally deposited RaC activity present in the respiratory systems of miners at the end of the working shift. The mean protection efficiency obtained was 85.2 " 13.8%, based on in vivo counts of 21 miners. The problem of providing adequate respiratory protection for underground uranium miners is discussed and a suggested list of criteria for respiratory design is given.
Book Synopsis List of Devices for Respiratory Protection Approved by the U.S. Bureau of Mines by : William Parks Yant
Download or read book List of Devices for Respiratory Protection Approved by the U.S. Bureau of Mines written by William Parks Yant and published by . This book was released on 1935 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Protection of Workers in the Mining and Milling of Radioactive Ores by : International Atomic Energy Agency
Download or read book Radiation Protection of Workers in the Mining and Milling of Radioactive Ores written by International Atomic Energy Agency and published by Bernan Press(PA). This book was released on 1983 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evaluation of Activated Carbon Canisters for Radon Protection in Uranium Mines by : Jess W. Thomas
Download or read book Evaluation of Activated Carbon Canisters for Radon Protection in Uranium Mines written by Jess W. Thomas and published by . This book was released on 1974 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guidance for the Control of Radiation Hazards in Uranium Mining by : Federal Radiation Council (U.S.)
Download or read book Guidance for the Control of Radiation Hazards in Uranium Mining written by Federal Radiation Council (U.S.) and published by . This book was released on 1967 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation Publisher : ISBN 13 : Total Pages :618 pages Book Rating :4.3/5 (91 download)
Book Synopsis Radiation Exposure of Uranium Miners: Additional backup and reference material to the hearings held May 9, 10, 23, June 6, 7, 8, 9, July 26, 27, and August 8 and 10, 1967 by : United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation
Download or read book Radiation Exposure of Uranium Miners: Additional backup and reference material to the hearings held May 9, 10, 23, June 6, 7, 8, 9, July 26, 27, and August 8 and 10, 1967 written by United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation and published by . This book was released on 1967 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considers levels of radiation to which uranium miners are exposed, radiation monitoring standards, and health implications of uranium radiation exposure, including its possible relation to lung cancer.
Book Synopsis Emergency Respiratory Protection in the Atomic Age by : Julius Hannoch
Download or read book Emergency Respiratory Protection in the Atomic Age written by Julius Hannoch and published by . This book was released on 1950 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Study of Factors that Influence the Use of Respirators in Uranium Mines by : F. Kalos
Download or read book Study of Factors that Influence the Use of Respirators in Uranium Mines written by F. Kalos and published by . This book was released on 1977 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiation Protection in Uranium and Other Mines by : International Commission on Radiological Protection. Committee 4
Download or read book Radiation Protection in Uranium and Other Mines written by International Commission on Radiological Protection. Committee 4 and published by . This book was released on 1977 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Occupational Radiation Protection in the Uranium Mining and Processing Industry by : International Atomic Energy Agency
Download or read book Occupational Radiation Protection in the Uranium Mining and Processing Industry written by International Atomic Energy Agency and published by . This book was released on 2020-06-30 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Safety Report has been developed as part of the IAEA programme on occupational radiation protection to provide for the application of its safety standards in implementing a graded approach to the protection of workers against exposures associated with uranium mining and processing. The publication describes the methods of production associated with the uranium industry and provides practical information on the radiological risks to workers in the exploration, mining and processing of uranium. It is a compilation of detailed information on uranium mining and processing stages and techniques, general radiation protection considerations in the relevant industry, general methodology applicable for control, monitoring and dose assessment, exposure pathways, and radiation protection programs for the range of commonly used mining and processing techniques.
Book Synopsis Study of Efficiency and Current Use of Respiratory Protective Devices by : S. H. Linauskas
Download or read book Study of Efficiency and Current Use of Respiratory Protective Devices written by S. H. Linauskas and published by . This book was released on 1984 with total page 79 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation Publisher : ISBN 13 : Total Pages :858 pages Book Rating :4.3/5 (91 download)
Book Synopsis Radiation Exposure of Uranium Miners by : United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation
Download or read book Radiation Exposure of Uranium Miners written by United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation and published by . This book was released on 1967 with total page 858 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considers levels of radiation to which uranium miners are exposed, radiation monitoring standards, and health implications of uranium radiation exposure, including its possible relation to lung cancer.
Book Synopsis Study of Factors that Influence the Use of Respirators in Uranium Mines by : Kalos, Ferenc
Download or read book Study of Factors that Influence the Use of Respirators in Uranium Mines written by Kalos, Ferenc and published by . This book was released on 1986 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation Publisher : ISBN 13 : Total Pages :1454 pages Book Rating :4.:/5 (319 download)
Book Synopsis Radiation Exposure of Uranium Miners by : United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation
Download or read book Radiation Exposure of Uranium Miners written by United States. Congress. Joint Committee on Atomic Energy. Subcommittee on Research, Development, and Radiation and published by . This book was released on 1967 with total page 1454 pages. Available in PDF, EPUB and Kindle. Book excerpt: Considers levels of radiation to which uranium miners are exposed, radiation monitoring standards, and health implications of uranium radiation exposure, including its possible relation to lung cancer.
Book Synopsis Health Risks of Radon and Other Internally Deposited Alpha-Emitters by : National Research Council
Download or read book Health Risks of Radon and Other Internally Deposited Alpha-Emitters written by National Research Council and published by National Academies Press. This book was released on 1988-02-01 with total page 623 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes hazards from radon progeny and other alpha-emitters that humans may inhale or ingest from their environment. In their analysis, the authors summarize in one document clinical and epidemiological evidence, the results of animal studies, research on alpha-particle damage at the cellular level, metabolic pathways for internal alpha-emitters, dosimetry and microdosimetry of radionuclides deposited in specific tissues, and the chemical toxicity of some low-specific-activity alpha-emitters. Techniques for estimating the risks to humans posed by radon and other internally deposited alpha-emitters are offered, along with a discussion of formulas, models, methods, and the level of uncertainty inherent in the risk estimates.
