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Continuous working-level measurements using alpha or beta detectors.

Authors
Droullard-RF; Holub-RF
Source
Denver, CO: U.S. Department of the Interior, Bureau of Mines, RI 8237, 1977 Jan; :1-14
Link
NIOSHTIC No.
10001623
Abstract
The Bureau of Mines has investigated techniques of using gross alpha or beta detectors to continuously measure working levels. Both methods measure radioactive particulates collected on a filter paper using a constant airflow. Inherent-error studies indicate a value of about +/-3 percent for the gross alpha method and about +/-8 percent for the beta method in typical mine atmospheres. However, the beta method avoids problems associated with alpha detectors and is therefore more useful. Applications of these continuous working- level detectors include work area monitoring of exposure levels in underground openings, such as mines and caves, and calibrating personal dosimeters exposed over extended time intervals.
Keywords
Underground mining; Uranium; Alpha particle detectors; Beta particles; Dosimeters; Radiation hazards; Rodon 222; Uranium mines
Publication Date
19770101
Document Type
IH; Report of Investigations
Fiscal Year
1977
NTIS Accession No.
PB-271877
NTIS Price
A03
Identifying No.
RI-8237
NIOSH Division
DRC
Source Name
Denver, CO: U.S. Department of the Interior, Bureau of Mines, RI 8237
State
CO
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