MAPAN-Journal of Metrology Society of India https://doi.org/10.1007/s12647-018-0268-2 CASE REP O RT Radon Exhalation Rate Study of Sand Samples Collected from Sea Coast of Tirur, Kerala, India Using Track Etch Technique Mohd Zubair* and Shaﬁqullah Applied Science Section, Aligarh Muslim University, Aligarh 202002, India Received: 13 October 2017 / Accepted: 15 May 2018 Metrology Society of India 2018 Abstract: The sand samples have been collecting from the sea coast (Unniyal beach) of Tirur of Malappuram district of Kerala state (India) by the grab sampling method. Radon exhalation rates have measured by ‘‘Sealed Can Technique’’ using LR-115 type II plastic track detector to estimate the health risk level in the environment. The value of radon activity varies -3 -3 from 444.44 to 2204.44 becquerel meter (Bq m ) with a geometric mean (G.M.)/standard deviation (S.D.) value of -3 -1 -1 1017.21 Bq m /433.27. The value of mass exhalation rate for radon varies from 0.01 to 0.05 Bq kg h with a G.M./ -1 -1 -2 -1 S.D. value of 0.024 Bq kg h /0.010. The value of area exhalation rate for radon varies from 0.27 to 1.33 Bq m h -2 -1 -3 -3 with a G.M./S.D. value of 0.62
MAPAN – Springer Journals
Published: May 30, 2018
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