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In this study the distribution of natural radionuclides ( 226 Ra, 232 Th, 40 K) in brick and roofing tile samples commonly used as building materials in Turkey was measured by using gamma spectrometry. The activity concentrations, radium equivalent activities (Ra eq ), representative level index, indoor absorbed dose rate in air values and annual effective dose due...
In this study the natural radioactivity in marble samples used in Turkey was measured by means of gamma spectrometry. The results showed that the specific activities of 226 Ra, 232 Th and 40 K ranged from 10 to 92Bqkg −1 , from 4 to 122Bqkg −1 and from 28 to 676Bqkg −1 , respectively. The radiological hazards in marble samples due to the natural radioactivity...
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