1. 222Rn concentration level and inhalation exposure assessment for the population residing in Singhbhum copper belt of Jharkhand.
- Author
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Mishra, Asheesh, Sharma, S. K., Panigrahi, D. C., Jha, V. N., Sarangi, A. K., and Patnaik, R. L.
- Subjects
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MINES & mineral resources , *INDUSTRIAL sites , *OUTDOOR recreation , *DOSIMETERS , *COPPER - Abstract
The present investigation has been carried out in the copper mineralized region of Jharkhand, India. Apart from the natural deposit of copper minerals, which is found along with uranium in this region, different industrial sites of copper were accounted for, in the study. The integrated radon measurement technique has been used with dosimeter deployment interval of 90 days. The indoor 222Rn activity concentration varied at different locations from 58.4 to 100.7 Bq m - 3 with an average of 79.8 ± 14.5 Bq m - 3 . In the outdoor environment, annual average 222Rn activity concentration varies from 36.5 to 75.8 Bq m - 3 with an average of 57.9 ± 14.0 Bq m - 3 . The corresponding annual inhalation dose due to indoor and outdoor 222Rn activity concentration to the inhabitants of the region has been worked out as 1.95 mSv year - 1 to 3.28 mSv year - 1 respectively with a mean of 2.60 ± 0.38 mSv year - 1 . [ABSTRACT FROM AUTHOR]
- Published
- 2020
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