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Thorium and uranium in vegetables and fruits from a high background radiation region along the south west coast of India

Author : R. Ragel Mabel Saroja and A. Sreedevi

The concentration of natural radionuclide (238U, 232Th and 40K) in the soil samples and vegetables were determined in the High background radiation areas along the South West Coast of India by gamma spectroscopy with NaI (Tl) detector. The absorbed dose rate ranged from 86.46 to 163.12nGyh-1. The annual effective dose (0.15mSvy-1) exceeded world average dose of 0.07mSvy-1. The vegetable to soil concentration ratio (CR) was high in tubers and leafy vegetables.


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