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Title: Analysis and assessment of radiological risk in soil samples of Hisar district of Haryana, India
Authors: Kansal, Sandeep
Mehra, Rohit
Singh, N P
Badhan, Komal
Sonkawade, R G
Keywords: HPGe detector
Raeq activities
Annual effective dose
External hazard index
Issue Date: Jul-2010
Publisher: CSIR
Abstract: The activity concentrations and the gamma absorbed dose rates of radio nuclides in soil samples collected from different locations of Hisar district of Haryana have been determined for the first time using HPGe detector based on high-resolution gamma spectrometry system. The range of activity concentrations of 226Ra, 232Th and 40K in the soil from the studied areas varies from 13.37 (Ganguwa) to 21.43 Bq kg-1 (Kheri), 34.67 (Nehla) to 54.43 Bq kg-1 (Ganguwa) and 298.78 (Dhansu) to 398.78 Bq kg-1 (Nehla) with overall mean values of 17.79, 45.45 and 359.96 Bq kg-1, respectively. The absorbed dose rate calculated from activity concentration of 226Ra, 234Th and 40K ranges between 6.16 and 9.88, 21.6 and 33.91, and 12.37 and 16.51 nGy h-1, respectively. The total absorbed dose in the study area ranges from 45.83 to 57.15 nGy h-1 with an average value of 51.42 nGy h-1. The calculated values of external hazard index (Hex) for the soil samples of the study area range from 0.26 to 0.33, which is less than unity.
Page(s): 512-515
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.48(07) [July 2010]

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