Seasonal levels of radon and thoron in the dwellings along southern coastal Orissa, Eastern India.
Inhalation of radon ((222)Rn) and thoron ((220)Rn) are a major source of natural radiation exposure. Indoor radon-thoron study has been carried out in some dwellings of Ganjam district, southern coastal Orissa, India using LR-115 type II plastic track detectors. Seasonal variation of indoor radon and thoron shows high values in winter and low values in both summer and rainy. The inhalation dose lies in the range of 0-0.06muSvh(-1) and is not high from those found elsewhere in India.
Sulekha Rao
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Department of Geology and Geophysics, Indian Institute of Technology, Kharagpur, West Bengal 721302, India.
Sengupta
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D000396:Air Pollutants, Radioactive; D016902:Air Pollution, Indoor / Q000032:analysis*; D001417:Background Radiation; D006798:Housing; D007194:India; D011834:Radiation Monitoring; D011886:Radon / Q000032:analysis*; D012621:Seasons
D000396:Air Pollutants, Radioactive; D011886:Radon