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Research Paper | Physics Science | Iraq | Volume 3 Issue 10, October 2014
The Study of Radioactivity in Soil Samples from AL-Haidriya City in Al-Najaf Al-Ashraf Governorate, the first depth (10-20) cm and a Second Depth (30-40) cm
Ali K. Hasan  | Sajjad A. Ameen 
Abstract: To study the radioactivity of the soil City Alhaidariya in Al-Najaf Al-Ashraf Governorate was chosen (30) sampling sites of the city and collect from each site two samples the first depth (10-20) cm and a second depth (30-40) cm to reach (60) sample and The gamma rays spectral measurements were done for all samples by using Iodide Sodium activated by Thallium NaI (Tl), its dimension 3 3. The mean values activity concentrations of 238U, 232Th and 40K was ( 12.513.58, 10.622.55 and 72.353.88) Bq/ kg respectively, specific activity for all soil sample were in the worldwide average. The average values of the Radium equivalent activity and absorbed dose rate were (33.346.34 Bq/kg and 15.512.90 nGy/h) within the world average. The heist external and internal hazard and the outdoor and indoor annual effective dose and gamma activity concentration index were (0.09000.0173, 0.03310.0269, 0.01890.0034 mSv/yr, 0.07600.0142 mSv/yr and 0.23840.0446) respectively, lower than unity.
Keywords: The gamma rays spectral measurements
Edition: Volume 3 Issue 10, October 2014,
Pages: 1871 - 1876
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