Evaluation of the Relationship Between Indoor Radon and Geology, Topography and Aeroradioactivity PDF Download
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Author: George N. F. Siaway
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 534
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Book Description
It would be extremely useful to determine if, on a county-size scale, there might be some predictability to indoor radon. One approach is to make an application of GIS and 3D visualization to explore the radon problem in Fairfax County, to evaluate spatial autocorrelations between indoor radon and geology, elevation, slope, and aeroradioactivity. It was found that there is a tendency for indoor radon to be greater in some parts of Fairfax County in homes on some geological units, in homes constructed on lower slopes, on sites at lower elevations, and in areas of higher aeroradioactivity. However, none of these physical variables exhibits a strong enough control on indoor radon to be used to construct radon potential maps that carry a high confidence of accuracy.
Author: George N. F. Siaway
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 534
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Book Description
It would be extremely useful to determine if, on a county-size scale, there might be some predictability to indoor radon. One approach is to make an application of GIS and 3D visualization to explore the radon problem in Fairfax County, to evaluate spatial autocorrelations between indoor radon and geology, elevation, slope, and aeroradioactivity. It was found that there is a tendency for indoor radon to be greater in some parts of Fairfax County in homes on some geological units, in homes constructed on lower slopes, on sites at lower elevations, and in areas of higher aeroradioactivity. However, none of these physical variables exhibits a strong enough control on indoor radon to be used to construct radon potential maps that carry a high confidence of accuracy.
Author: Fiorella V. Simoni de Cannon
Publisher:
ISBN: 9781109881462
Category :
Languages : en
Pages : 207
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Book Description
This dissertation showed that county averages of the incidence of lung cancer, chronic bronchitis, and chronic pneumonia are well correlated. Also, the dissertation showed that aeroradioactivity can be used to locate geological areas with higher soil radioactivity and areas with higher indoor radon. Evidently, the use of NURE data to identify areas underlain by uranium rich rock is the best way to create a radon potential map.
Author: Ashok Kumar
Publisher: Bentham Science Publishers
ISBN: 1608059871
Category : Technology & Engineering
Languages : en
Pages : 386
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Book Description
Radon is a highly radioactive gas and a waste product of nuclear reactors. Radon is also carcinogenic for this reason and can be linked to the incidence of lung cancer in non smoking individuals who often spend time indoors. Assessment and Mitigation of Indoor Radon Problem is a case book for professionals who are interested in modeling the distribution of Radon gas in a real environment. The book is a collection of results taken from a survey of locations in the US state of Ohio. The data in this case book is based is based on the homes and mitigation databases of the Ohio Radon Information System (ORIS), maintained by the Air Pollution Research Group (APRG) at The University of Toledo in Toledo. This case book will be of interest to software engineers and environmental health workers seeking to build a geographic information system for tracking radioactive waste that can contaminate residential areas, particularly household indoors.
Author: Bryan Mentley
Publisher:
ISBN:
Category : Radon
Languages : en
Pages : 52
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Book Description
In November 1998 the Chautauqua County Health Department was awarded a $27,000 grant from the New York State health Department to partially fund a local indoor air radon testing and outreach program. The purpose of this program was to increase radon testing in individual homes, identify locations posing a high risk to radon exposure, and increase public awareness of the radon problem. A geographic Information System (GIS) was used as an aid to evaluate the spatial distribution of test data. Coordinates of each home tested were determined using two methods; coordinates for homes within the cities of Dunkirk, Jamestown and surrounding areas were calculated using address matching (i.e. geocoding), while coordinates for homes in the remainder of the county were determined using GPS surveying. A total of 953 radon measurements were taken at 863 homes throughout the county. Based on the 894-test data set (excludes duplicate samples), radon results ranged from 0.1 to 96.1 pCi/L, with an average concentration of 4.4 pCi/L and a standard deviation of 8.8. The relationship between surficial geology and radon levels was evaluated by comparing the radon test results coverage with the USGS Surficial Geology-Western New York State coverage. Results indicated that 47.8% of test in houses on coarse-grained sediment are above the USEPA action level (4.0 pCiL); whereas a only 16.1% of the tests in houses on fine-grained sediment are above the action level. This information was used to develop a map showing priority-testing areas in Chautauqua County. Future radon outreach and testing efforts will place a greater emphasis on testing homes in porous, coarse grained sediments (e.g., sand and gravel). -- Author abstract
Author: Alexander E. Gates
Publisher: Geological Society of America
ISBN: 0813722713
Category : Science
Languages : en
Pages : 97
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Book Description
Indice del volume: Preface p.v; 1. Geology of the Radon in the United States p.1; 2. Sensitivity of Soil Radon to Geology and the Distribution of Radon and Uranium in the Hylas Zone Area, Virginia p.17; 3. Geologic and Environmental Implications of High Soil-Gas Radon Concentrations in the Great Valley, Jefferson and Berkeley Counties, West Virginia p.29; 4. Soil Radon Distribution in Glaciated Areas: an Example from the New Jersey Highlands p.45; 5. Radon in the Coastal Plain of Texas, Alabama, and the New Jersey p.53; 6. Effects of Weather and Soil Characteristics on Temporal Variations in Soil-Gas Radon Concentrations p.65; 7. A Theoretical Model for the Flux of Radon from Rock to Ground Water p.73; 8. The Influence of Season, Bedrock, Overburden, and House Construction on Airborne Levels of Radon in Maine Homes p.79.
Author: James A. Harrell
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 44
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Book Description
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: J. David Hohmann
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Gian Quasar
Publisher: McGraw Hill Professional
ISBN: 9780071467032
Category : History
Languages : en
Pages : 320
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Book Description
Still unsolved, still baffling, still claiming new victims. Here are the untold stories. A pilot reports a strange haze enveloping his plane, then disappears; eleven hours after fuel starvation, as if calling from a void, he is heard 600 miles away. He requests permission to land, then vanishes forever. A freighter steaming over placid seas disappears without a trace. A pleasure yacht ghosts past without a soul on board. A pilot calls for help because a "weird object" is harassing his plane. A jet collides with an "unknown" and is never found. . . . Into the Bermuda Triangle is the first comprehensive examination of these baffling disappearances in more than a generation. Drawing on official reports from the NTSB and other investigative agencies as well as interviews with scientists, theorists, and survivors, leading authority Gian Quasar not only sets the record straight on previously examined cases, he also offers a bulging file of new cases, the collective results of his twelve-year investigation. In meticulous detail this unflinching account: Documents confirmed disappearances of airplanes and ships Gathers new testimony and reexamines old interviews from eyewitnesses and survivors Explores possible explanations ranging from zero-point energy to magnetic vortices Challenges our assumptions with the sheer weight of accumulated evidence In this age of technological and scientific discovery, there are still mysteries that transcend understanding. The Bermuda Triangle is one. "The best book I've ever read on this important subject."—Andrew Griffin, The Town Talk
Author:
Publisher:
ISBN:
Category : Radon
Languages : en
Pages : 152
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Book Description
