Authors:
G. BrahmanandhanSolid State and Radiation Physics Laboratory, Department of Physics, Bharathiar University, Coimbatore, 641 046 India

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J. MalathiSolid State and Radiation Physics Laboratory, Department of Physics, Bharathiar University, Coimbatore, 641 046 India

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D. KhannaSolid State and Radiation Physics Laboratory, Department of Physics, Bharathiar University, Coimbatore, 641 046 India

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S. SelvasekarapandianSolid State and Radiation Physics Laboratory, Department of Physics, Bharathiar University, Coimbatore, 641 046 India

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N. NidhyaDepartment of Physics, PKR College for Women, Gobichettipalayam, Erode, 638 476 India

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R. UsharaniDepartment of Physics, PKR College for Women, Gobichettipalayam, Erode, 638 476 India

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M. JoseRadiological Safety Section, Health Physics Division, IGCAR, Kalpakkam, 626 103 India

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V. MeenakshisundaramRadiological Safety Section, Health Physics Division, IGCAR, Kalpakkam, 626 103 India

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Abstract  

Samples of natural and manufactured building materials used by the people of Gobichettipalayam town have been analyzed for 226Ra, 232Th and 40K using gamma-ray spectrometry. Radium equivalent activity of the materials has been measured using the formula given by OECD and the geometric mean value of sand, clay and cements are found to be 53.53 Bq·kg−1, 89.09 Bq·kg−1 and 72.25 Bq·kg−1, respectively. The radium equivalent activities obtained in the building materials are all well below the acceptable limit. The indoor gamma-dose has been measured using thermoluminescence dosimeters and it was found in the range of 1051.2–3946.0 μGy/year. The annual effective indoor gamma radiation dose to the people of Gobichettipalayam town has been found to be 0.8 mSv/y.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)