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Type: Journal article
Title: An investigation of gamma background radiation in Hamadan province, Iran
Author: Rostampour, N.
Almasi, T.
Rostampour, M.
Mohammadi, M.
Sani, K.
Khosravi, H.
Mehdi Hosseini Pooya, S.
Golzar, B.
Vesal, N.
Citation: Radiation Protection Dosimetry, 2012; 152(4):438-443
Publisher: Oxford University Press
Issue Date: 2012
ISSN: 0144-8420
Statement of
Nima Rostampour, Tinoosh Almasi, Masoumeh Rostampour, Mohammad Mohammadi, Karim Ghazikhanlou Sani, Hamid R. Khosravi, S. Mehdi Hosseini Pooya, Bahman Golzar, and Naghi Jabari Vesal
Abstract: The general population, everywhere in the world is exposed to a small dose of ionising radiation from natural sources. Stochastic effects such as cancer and genetic disorders are caused when living creatures are exposed to low doses. In Iran, it is measured in some cities, especially in high-background areas such as Ramsar, but so far there is no measurement in the Hamadan province. Hamadan is located in the west of Iran. Measurements were performed using a RDS-110 survey meter, CaSO(4):Dy thermoluminecense dosimetries (TLDs) and a Harshaw 4000 TLD reader. To estimate the dose rate  outdoors, four stations along the main directions (north, south, west and east) and one in the town centre were selected. Mean annual X and gamma equivalent dose in Hamadan province are 1.12±0.22  and 1.66±0.07 mSv, which related to RDS-110 survey meter and TLDs measurements, respectively. The TLDs and RDS-110 results are representative of the external photon radiation doses for the selected monitoring locations and for those locations for the hours during which the measurements were taken, respectively. Maximum and minimum of external photon radiation doses are related to Hamadan and Kaboudar-Ahang towns, respectively. According to the results of the study, it seems that the annual X and gamma equivalent dose in Hamadan province exceeded the global mean external exposure amounts by the UNSCEAR, and further studies are needed to measure internal exposures to determine the total environmental radiation level in  Hamadan province.
Keywords: Radiation Dosage
Rights: © The Author 2012
RMID: 0030028680
DOI: 10.1093/rpd/ncs062
Appears in Collections:Physics publications

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