R. U. K. Avaneesh, S. Bramha, S. Panigrahi, S. Chandrasekaran, P. M. Ravi, N. Karunakara
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A study on radionuclides concentration in the agricultural and non-agricultural soils in 15 km zone of the nuclear facilities at Kalpakkam, India
The activity concentrations of naturally occurring (226Ra, 232Th, 40K, 210Pb, 210Po) and anthropogenic (137Cs) radioisotopes were analysed in agricultural and non-agricultural soils in the vicinity of the nuclear facilities at Kalpakkam, India. Outdoor gamma absorbed dose rates were measured at 158 locations using a portable gamma dosimeter. Soil samples from 126 locations were analysed for individual radionuclide activities by gamma and alpha spectrometry. Statistical analysis of the data confirmed no significant difference in the concentrations of 40K, 232Th, 226Ra, and 210Po between the agricultural and non-agricultural soil types, while 210Pb levels differed significantly. The 137C activity in all the soil samples was < 0.1 Bq kg−1, confirming that this radioisotope is not released to the environment from the operating nuclear facilities.
期刊介绍：
An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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