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RECORD NUMBER: 17 OF 75

Main Title Gamma Radiation Surveys at Inactive Uranium Mill Sites.
Author Douglas, Richard L. ; Hans, Jr., Joseph M. ;
CORP Author Office of Radiation Programs, Las Vegas, Nev.
Year Published 1975
Report Number ORP/LV-75-5;
Stock Number PB-250 675
Additional Subjects Uranium ores ; Radioactive contaminants ; Environmental surveys ; Radioactive wastes ; Gamma rays ; Mines ; Tailings ; Air pollution ; Water pollution ; Soils ; Sampling ; Mine wastes ; Uranium mines ; Air pollution sampling ; Water pollution sampling ; Western Region(United States)
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB-250 675 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 97p
Abstract This report presents the results of gamma radiation surveys conducted by the Office of Radiation Programs at twenty inactive uranium mill sites in the Western United States. The purpose of these surveys was to measure the extent to which radioactive material had been spread into the environment from the sites by the action of wind and/or water erosion, and by milling activities. The results indicate that hundreds of acres of land exclusive of the tailings piles have been contaminated to above-background levels. Some of the contaminated land is private, off-site property. Survey techniques were developed to locate the spread radioactive materials and to estimate the gamma exposure rates resulting from them. These measurements were complicated by the presence of direct gamma radiation from the tailings piles. Iso-exposure rate lines were located around each site and plotted on site maps to facilitate site decontamination decisions.
NTIS Title Notes Final rept..
PUB Date Free Form Aug 75
Category Codes 18H; 08I; 13B; 48A; 68F; 77G
NTIS Prices PC A05/MF A01
Document Type NT
Cataloging Source NTIS/MT
Control Number 326614944
Origin NTIS
Type CAT