Uranium distribution in sediments of the Upper San Pedro Basin, southeast Arizona, and implications for indoor radon

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Author
Harris, R.C.
Issue Date
1995-03-01
Keywords
Arizona Geological Survey Open File Reports
Graham County
Pima County
Arizona
Upper San Pedro Basin
sediment
radon
uranium
Geology
hazard

Metadata
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Citation
Harris, R.C., 1995, Uranium distribution in sediments of the Upper San Pedro Basin, southeast Arizona, and implications for indoor radon. Arizona Geological Survey Open File Report, OFR-95-03, 2 map sheets, map scale 1:62,500, 9 p.
Publisher
Arizona Geological Survey (Tucson, AZ)
Description
Radon is a colorless, odorless gas produced by the natural radioactive decay of uranium. The U.S. Environmental Protection Agency has determined that exposure to indoor radon may increase a person's risk of developing lung cancer. Indoor-radon levels generally correlate with uranium concentration in underlying rocks and soil, and some areas of Arizona are known to have elevated levels of uranium. This study is part of an ongoing evaluation of potential radon hazards in Arizona by the Arizona Geological Survey and the Arizona Radiation Regulatory Agency. This report presents results of a study of the distribution of uranium in late-Cenozoic basin-fill sediments of the upper San Pedro valley in southeast Arizona. Uranium concentrations were measured using a portable gamma-ray spectrometer. The spectrometer survey followed the methods outlined in Duncan and Spencer (1993) and the same equipment was used during both investigations. Indoor-radon data were supplied by the Arizona Radiation Regulatory Agency and well water-radon data were taken from Duncan et al. (1993). Two map sheets and one report (9 pages).gamm
URI
http://hdl.handle.net/10150/630785
Additional Links
https://library.azgs.arizona.edu/
Language
en
Series/Report no.
OFR-95-03
Rights
Arizona Geological Survey. All rights reserved.
Collection Information
Documents in the AZGS Document Repository collection are made available by the Arizona Geological Survey (AZGS) and the University Libraries at the University of Arizona. For more information about items in this collection, please contact azgs-info@email.arizona.edu.
North Bounding Coordinate
32.15
South Bounding Coordinate
31.375
West Bounding Coordinate
-110.375
East Bounding Coordinate
-110
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