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Title: Gamma activity in some environmental samples in south Egypt
Authors: Arabi, A M El
Keywords: Radionuclides
Dose rate
Issue Date: Jun-2005
Publisher: CSIR
Series/Report no.: G01T
Abstract: <smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="country-region"><smarttagtype namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"> As a part of national survey to evaluate natural radioactivity in the environment, concentration levels of natural radioactivity have been analyzed from more than 108<b style=""> </b>environmental samples taken from <i style="">wadi Allaqi</i> area, south Egypt. The distribution of naturally occurring radionuclides of <sup>226</sup>Ra, <sup>232</sup>Th and <sup>40</sup>K in the samples (soil, granite, grass and water) have been measured using a high purity germanium detector. The specific activities in these samples, having a radium equivalent activity of less than 370<sup>-1</sup>, when evaluated for radiological effects show that all samples meet the external gamma-ray dose limitation of 1.5 mSv.y<sup>-1</sup>. The data presented here will serve as a baseline survey for primordial radionuclide concentrations in igneous and sediment of the area. </smarttagtype></smarttagtype>
Description: 422-426
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Appears in Collections:IJPAP Vol.43(06) [June 2005]

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