EFFECTS OF LOCAL BUILDING MATERIALS ON INDOOR GAMMA DOSES AND RELATED RADIOLOGICAL HEALTH RISKS, AYVACIK, ÇANAKKALE/TURKEY

Author:

Top Gülcan12,Örgün Yüksel3,Karahan Gürsel4,Horvath Mark5,Kampfl Györgyi5

Affiliation:

1. Istanbul Technical University, Eurasia Institute of Earth Sciences, Solid Earth Sciences, Ayazağa Campus, Maslak, 34469 Istanbul

2. Faculty of Agricultural and Environmental Sciences, PhD School of Environmental Sciences, Turkey & Szent István University (SZIU), Páter K. u. 1, 2100 Gödöllő, Hungary

3. ITU Faculty of Mines, Department of Geological Engineering, Istanbul Technical University, Ayazağa Campus, Maslak, 34469 Istanbul, Turkey

4. Çekmece Nuclear Research and Training Center, P.O. Box 1, Atatürk Airport, 34149 Istanbul, Turkey

5. Faculty of Agricultural and Environmental Sciences, Institute of Environmental Sciences, Department of Chemistry, Szent István University, Páter K. u. 1, 2100 Gödöllő, Hungary

Abstract

AbstractIn situ indoor gamma dose rate measurements were held in 79 dwellings by NaI(Tl) scintillation probe connected portable dose rate meter. For the building materials and impurities (nodules), spectrometric gamma analysis was applied by a high-resolution HpGe detector. For Ahmetçe and Nusratlı villages in Ayvacik/Çanakkale (Turkey), the measured in situ indoor gamma dose rates and related indoor annual effective dose equivalents (AEDEin) were 3 and 3.3 times, and indoor excess lifetime cancer risks (ELCRin) were 4.25 and 4.68 times higher than those of the world averages, respectively. The used local rocks were mostly ignimbrite and dacitic–rhyolitic tuffaceous (Arıklı tuff), and wall plasters were made of local soil. The highest in situ indoor gamma dose rates of the region belonged to Nusratlı village due to the intense impurities (nodules) and hydrothermal alterations in Arıklı tuff. Spectrometric gamma results revealed that 40K has an important effect on the indoor gamma doses.

Publisher

Oxford University Press (OUP)

Subject

Public Health, Environmental and Occupational Health,Radiology, Nuclear Medicine and imaging,General Medicine,Radiation,Radiological and Ultrasound Technology

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