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Assessment of ambient gamma dose rate in different locations of Amritsar city, Punjab, India

Preliminary results of ambient indoor and outdoor gamma dose rates estimated in 20 distinct areas of Amritsar city, Punjab, are exhibited by utilizing Dosimeter-Radiometer MKS-03 (SARAD). This study was planned in such a way to get a uniform and representative distribution of estimations. The indoor to outdoor dose rate ratio was ascertained which showed that the indoor gamma dose rate as contrasted with outdoor gamma dose rate has elevated levels of exposure due to confined space and poor ventilation. The indoor and outdoor annual effective dose rate was likewise estimated from the exposure point of view, and it varied from 0.35 to 1.61 mSv/y and from 0.11 to 0.44 mSv/y. The average values of outdoor and indoor effective dose rate levels in all of these locations were well below the world average value prescribed by the United Nations Scientific Committee on Effects of Atomic Radiations.