Natural Radioactivity Levels in Pileki Stone and Soil Samples Taken From Pileki Cave in Rize Province
Natural radioactivity concentrations (226Ra, 232Th and 40K) in Pileki stone and soil samples collected from Pileki Cave in Rize province were determined using the high-purity germanium detector (HPGe). In the collected samples, the activity concentrations of the natural radionuclides was found to vary between 29.68 ± 2.71 and 44.50 ± 2.71 Bq/kg for 226Ra, between 31.61 ± 3.08 and 41.52 ± 3.34 Bq/kg for 232Th, and between 598.67 ± 15.03 to 802.96 ± 18.30 Bq/kg for 40K. In order to evaluate the radiological hazard of the natural radioactivity, radium equivalent activity (Raeq), the external hazard index (Hex), the absorbed gamma dose rate (D) and the annual effective dose equivalent (AEDE) were calculated and the results were compared with the recommended values by international organizations. The average annual effective dose equivalent that visitors of Pileki cave will receive on each visit was calculated as 0.085 mSv, which is below the dose value recommended by the international organizations. As a result, this study showed that natural radiation does not have any risk to health of people who have visited to Pileki cave and used bowls made from Pileki stone.
Full Text:PDF (Türkçe)
IAEA (International Atomic Energy Agency), Technical Report Series 96-00725, Vienna, Austria, 1996.
UNSCEAR (United Nations Scientific Committee on the Effects of Atomic Radiation), United Nations, New York, 1988.
UNSCEAR, Report of the General Assembly with Scientific Annexes, Vol. 1, United Nations, New York, 2000.
Uzun, A., Uzun, S., Taşhaneden aşhaneye taş pilekiler, Osmangazi Üniversitesi Sosyal Bilimler Dergisi, 2, 149-168, 2001.
Demir, N., www.necatidemir.net/images/demir/bkosem/bileki_pileki.pdf. 2012.
Önal, Ü., Ekmeğimizi pişirdiğimiz bir araç; pileki, Bizim Ahıska, Kış 2013, 47-48, 2013.
Kazancı, A., Gürbüz, A., Jeolojik miras nitelikli Türkiye doğal taşları, Türkiye Jeoloji Bülteni, 57(1), 19-44, 2014.
Şaroğlu, F., Güner, Y., Nazik, L., Aksoy, B., Pileki mağarası ve
jeokültürel değeri, 1. Uluslararası Jeolojik Sempozyumu ve Güneydoğu Avrupa Ülkeleri Pro GEO Toplantısı, 34-35, 2010.
Nazik, L., Savaş, F., Kahraman, İ., Acar, C., Pikeli mağarası (Taşhane) İyidere-Rize araştırma raporu, Maden Tetkik ve Arama Genel Müdürlüğü (MTA) Raporları, 11012, 2008.
Firestone, R. B., Shirley, V. S., Table of Isotopes, 8th Edition, John Wiley, New York, 1998.
Grigorescu, E. L., Razdolescu, A. C., Sahagia, M., Luca, A., Ivan, C., Tanase, G., Standardization of 152Eu, Applied Radiation and Isotopes, 56, 435-439, 2002.
Beretka, J., Mathew, P. J., Natural radioactivity of Australian building materials, industrial wastes and by-products, Health Physics, 48, 87-95, 1985.
Krieger, R., Radioactivity of construction materials, Betonwerk Fertigteil Techn., 47, 468, 1981.
UNSCEAR, Report of the General Assembly with Scientific Annexes, Vol. 1, United Nations, New York, 1993.
Amin, R., Mansy, M., Eissa, M. F., Eissa, H. M., Shahin, F. M., Assessment of natural radioactivity and radon exhalation rate in Sannur cave, eastern desert of Egypt, Journal of Radiological Protection, 28, 213-222, 2008.
Taskin, H., Karavus, M., Ay, P., Topuzoglu, A., Hidiroglu, S., Karahan, G., Radionuclide concentrations in soil and lifetime cancer risk due to gamma radioactivity in Kırklareli, Turkey, Journal of Environmental Radioactivity, 100, 49-53, 2009.
Celik, N., Cevik, U., Celik, A., Kucukomeroglu, B., Determination of indoor radon and soil radioactivity levels in Giresun, Turkey, Journal of Environmental Radioactivity, 99, 1349-1354, 2008.
Al-Kahtani, S. A., Farouk, M. A. and Al-Zahrani, A. A., Radioactivity levels in soil of three selected sites at and around Riyadh City, Journal of Radioanalytical and Nuclear Chemistry, 250, 93-95, 2001.
Mustapha, A. O., Patel, J. P., Rathore, I. V. S., Assessment of human exposures to natural sources of radiation in Kenya, Radiation Protection Dosimetry, 82, 285-292, 1999.
Tahir, S. N. A., Jamil, K., Zaidi, J. H., Arif, M., Ahmed, N., Ahmad, S. A., Measurements of activity concentrations of naturally occurring radionuclides in soil samples from Punjab province of Pakistan and assessment of radiological hazards, Radiation Protection Dosimetry, 113, 421-427, 2005.
Degerlier, M., Karahan, G., Ozger, G., Radioactivity concentrations and dose assessment for soil samples around Adana, Turkey, Journal of Environmental Radioactivity, 99, 1018-1025, 2008.
Canbaz, B., Çam, F., Yaprak, G., Candan, O., Natural radioactivity (226Ra, 232Th and 40K) and assessment of radiological hazards in the Kestanbol Granitoid, Turkey, Radiation Protection Dosimetry, 141, 192-198, 2010.
Moura, C. L., Artur, A. C., Bonotto, D. M., Guedes, S., Martinell, C. D., Natural radioactivity and radon exhalation rate in Brazilian igneous rocks, Applied Radiation and Isotopes, 69, 1094-1099, 2011.
Ahmed, A. A., Hussein, M. İ., Natural radioactivity measurements of Basalt Rocks in Sidakan District Northeastern of Kurdistan Region-Iraq, World Academy of Science, Engineering and Technology, 74, 132-140, 2011.
Ajayi, O. S., Distribution of natural radioactivity in rocks from İkogosi-ekiti, southwestern Nigeria and its radiological implications, Health Physics, 79(2), 192-195, 2000.
Ahmed, N. K., Abbady, A., El Arabi, A. M., Michel, R., El-Kamel, A. H., Abbady, A. G. E., Comparative study of the natural radioactivity of some selected rocks from Egypt and Germany, Indian Journal of Pure and Applied Physics, 44, 209-215, 2006.