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EVALUATION OF EXCESS LIFETIME CANCER RISK CAUSED BY EXTERNAL EXPOSURE DUE TO NATURAL RADIOACTIVITY IN BOLU, TURKEY

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2020

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YILDIZ TECHNICAL UNIV

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Article

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Abstract

In this study, the gamma dose rates in outdoor air at seventy-seven points around Bolu province were meausured using a counter (Eberline, ESP-2). Radiological hazards were evaluated by estimating the excess lifetime cancer risks caused by external exposure. The gamma dose rates measured varied from 11 to 68 nGyh-1with an average value of 22 nGy h(-1). The avarege value of the corresponding outdoor annual effective dose and the excess lifetime cancer risk was found as 27.23 mu Sv and 0.95x10(-4), respectively. These values could be compared to other studies which existed in Turkey and also in the world.

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SIGMA JOURNAL OF ENGINEERING AND NATURAL SCIENCES-SIGMA MUHENDISLIK VE FEN BILIMLERI DERGISI

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1304-7205

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Outdoor gamma dose rate , natural radioactivity , scintillation detector , AEDE , cancer risk , Bolu , ENVIRONMENTAL-RADIOACTIVITY , OUTDOOR RADIOACTIVITY , REGION , CITY , Engineering

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https://hdl.handle.net/20.500.14981/60579

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