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Author: Colorado. Department of Public Health and Environment. Laboratory & Radiation Services Division
Publisher:
ISBN:
Category : Radioactive pollution of water
Languages : en
Pages : 2
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Book Description
Author: Colorado. Department of Public Health and Environment. Laboratory & Radiation Services Division
Publisher:
ISBN:
Category : Radioactive pollution of water
Languages : en
Pages : 2
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Book Description
Author: Hilary Benns
Publisher:
ISBN: 9781840578270
Category : Drinking water
Languages : en
Pages : 35
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Book Description
Author: R. C. Thorburn
Publisher:
ISBN:
Category : Radon
Languages : en
Pages : 34
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Book Description
The historical approach to the separation of radon from water is liberation of the radon from the sample by boiling under vacuum in the presence of a strong acid; flushing the liberated radon, with an inert gas, into an ionization chamber or an alpha proportional counters and measuring the collected activity. Such an analysis requires a manipulation time of approximately one hour, a waiting period of two to three hours before measurement to allow transitory equilibrium to be reached, and finally a measurement time, resulting in 4 to 6 hours for one analysis. In addition, specialized equipment including a vacuum train is required. If it is desired to count the alpha particles from radon and its daughters in a proportional counter, absorption trains to remove all oxygen, a poor counting gas, are required. The method presented herein requires only 20--25 minutes for a complete analysis and except for the beta counter utilizes standard laboratory equipment.
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580717451
Category :
Languages : en
Pages : 34
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Book Description
Water, Quality, Sampling methods, Sludge, Sewage, Water pollution, Water treatment, Safety measures, Control samples, Sampling equipment, Size reduction, Laboratory testing
Author: Gundersen/Wanty
Publisher: CRC Press
ISBN: 9780873719551
Category : Technology & Engineering
Languages : en
Pages : 438
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Book Description
Field Studies of Radon in Rocks, Soils, and Water focuses on the principal sources of indoor radon and detecting radon through geochemical and hydrological studies of ground water. The book addresses how to measure radon, covers geological field study techniques, and presents techniques for assessing radon potential. The geochemical and hydrological studies of ground water cover such areas as health effects and radionuclides in geology. Techniques for measuring radon in ground water are also provided. Field Studies of Radon in Rocks, Soils, and Water is an excellent practical guide for geologists, geochemists, ground water professionals, and geophysicists interested in radon. Features
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 203
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Book Description
Objectives of this field experiment were: (1) determine whether there was a statistically significant difference between the radon concentrations of samples collected by EPA`s standard method, using a syringe, and an alternative, slow-flow method; (2) determine whether there was a statistically significant difference between the measured radon concentrations of samples mailed vs samples not mailed; and (3) determine whether there was a temporal variation of water radon concentration over a 7-month period. The field experiment was conducted at 9 sites, 5 private wells, and 4 public wells, at various locations in North Carolina. Results showed that a syringe is not necessary for sample collection, there was generally no significant radon loss due to mailing samples, and there was statistically significant evidence of temporal variations in water radon concentrations.
Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 132
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Book Description
Author: World Health Organization
Publisher: World Health Organization
ISBN: 9241547677
Category : Medical
Languages : en
Pages : 111
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Book Description
This handbook focuses on residential radon exposure from a public health point of view and provides detailed recommendations on reducing health risks from radon and sound policy options for preventing and mitigating radon exposure. The material in the handbook reflects the epidemiological evidence that indoor radon exposure is responsible for a substantial number of lung cancers in the general population. Information is provided on the selection of devices to measure radon levels and on procedures for the reliable measurement of these levels. Discussed also are control options for radon in new dwellings, radon reduction in existing dwellings as well as assessment of the costs and benefits of different radon prevention and remedial actions. Also covered are radon risk communication strategies and organization of national radon programs.--Publisher's description.
Author: C. Richard Cothern
Publisher: CRC Press
ISBN: 1498710700
Category : Science
Languages : en
Pages : 297
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Book Description
With new regulations for radionuclides in drinking water, this volume will be valuable for understanding where radionuclides come from, how their prescence is determined, where humans come in contact with them, health effects consequences (both for individuals and communities), removal from water, disposal problems and cost implications.
Author: United States. Environmental Protection Agency. Office of Radiation Programs. Eastern Environmental Radiation Facility (Montgomery, Ala.)
Publisher:
ISBN:
Category : Radioactive pollution of water
Languages : en
Pages : 11
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Book Description
