NT & RP Journal
ASSESSMENT OF A RELATIVE CONTRIBUTION OF TERRESTRIAL BACKGROUND RADIATION IN THE TEST FIELD BY USING RADIAGEMTM 2000 PORTABLE SURVEY METER
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NTRP

Vol. XXXI, No. 2, Pp. 111-195
June 2016
UDC 621.039+614.876:504.06
ISSN 1451-3994

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Pages: 121-127

Authors:
Senada Avdic, Izet Gazdic, Mersad Music, and Beæo Pehlivanovic

Abstract


This study is focused on the radiological investigation of terrestrial gamma radiation in the test field with soil samples from different minefields in the Federation of Bosnia and Herzegovina. Measurements of ambient dose equivalent rate, commonly referred to as “air dose rate”, in the test field located in the Tuzla Canton, were performed by RADIAGEMTM 2000 portable survey meter, based on energy-compensated Geiger-Muller counter. Its performances were tested in the laboratory conditions with gamma point sources. Since all the samples in the test field were exposed to the same cosmic radiation, there was a possibility to assess a relative contribution of terrestrial gamma radiation due to soil samples of different composition. One set of measurements in the test field was performed with RADIAGEMTM 2000, at a height of about one meter above the ground and basic statistical parameters indicated that there was no significant difference of terrestrial gamma radiation from different soil samples. The other set of measurements was carried out with the same device placed on the ground in the test field. Processing of experimental data on terrestrial gamma radiation has shown that it was possible to make a difference between relative contributions of terrestrial gamma radiation from individual soil samples. The results of investigation could be useful for multiple purposes of public interest.

Key words: tRADIAGEMTM 2000, survey meter, terrestrial gamma radiation, soil sample, minefield

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