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Main Title Outdoor radon study (1974-1975) : an evaluation of ambient radon-222 concentrations in Grand Junction, Colorado /
Other Authors
Author Title of a Work
Duncan, David L.
Publisher U.S. Environmental Protection Agency, Office of Radiation Programs ; Available from the National Technical Information Service,
Year Published 1977
Report Number ORP-LV-77-1; EPA/ORP-LV-77-1
Stock Number PB-266297
OCLC Number 34529690
Subjects Radon mitigation--Colorado--Grand Junction ; Radioactive decontamination--Handbooks, manuals, etc ; Radon--Measurement
Additional Subjects Radioactive contaminants ; Uranium ores ; Mines ; Air pollution ; Concentration(Composition) ; Sampling ; Industrial wastes ; Radon isotopes ; Sites ; Tables(Data) ; Air pollution sampling ; Radon 222 ; Uranium mines ; Grand Junction(Colorado)
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EJBD ARCHIVE EPA ORP-LV-77-1 Headquarters Library/Washington,DC 06/18/2012
EJBD  EPA ORP-LV-77-1 c.1 Headquarters Library/Washington,DC 09/30/2013
NTIS  PB-266 297 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation vii, 61, [2] pages : illustrations, maps ; 28 cm.
Abstract This report presents the results of measurements of ambient outdoor radon concentrations around the Grand Junction, Colorado, uranium mill tailings pile during the period of April 27, 1974 to April 2, 1975. A similar study was done by the U.S. Public Health Service in 1967 and 1968 before the pile was stabilized, and this study was done after the pile was stabilized to determine the effects of stabilization. Air samples were collected over a 48-hour period in a Mylar bag which was sent to the laboratory for radon analysis, using alpha scintillation cells. Samples were collected at each of 20 stations every three weeks for one year. The samples collected on the pile had higher radon concentrations following stabilization, and the exact cause for this is not known. Radon concentrations in the predominant daytime wind direction had elevated radon concentrations which are a power function with distance. Samples collected in other directions away from the pile contained background concentrations of radon.
Notes "April 1977." "ORP-LV-77-1." Cover title. Final.
Place Published Las Vegas, Nev. Springfield, Va.
Supplementary Notes Prepared in cooperation with Colorado Dept. of Health, Denver and Colorado Dept. of Health, Grand Junction.
Corporate Au Added Ent United States. Environmental Protection Agency. Office of Radiation Programs.
Title Ser Add Ent Technical note ORP/LV ; 77-1.
NTIS Title Notes Final rept..
PUB Date Free Form 1977
Series Title Traced Technical note ; ORP/LV-77-1
Series Title Untraced Technical note ORP/LV ; 77-1
Category Codes 18B; 68F; 68A
NTIS Prices PC A04/MF A01
Primary Description 200/03
BIB Level m
Cataloging Source OCLC/T
Control Number 323716421
OCLC Time Stamp 20130926150827
Language eng
SUDOCS Number EP 6.10/5:77-1
Origin OCLC
OCLC Rec Leader 01438cam 2200349Ia 45020