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In the current examination, the ingestion and inhalation dose measurements for the particular body organs in light of the intake of radon through ground water used by the inhabitants have been surveyed in the various locations of Amritsar province, India, using an electrostatic collection type radon monitor (RAD7) analyzer with RAD-H2O accessory. The mean radon activity level in water was seen to be 5.93 ± 2.34 BqL-1. However, the radiation dose received by all different body organs significantly less than the UNSCEAR and WHO suggested a level of 100 μSvY-1. The annual effective dose for the diverse body organs in view of the intake of radon was additionally ascertained and found the maximum dose for lungs than other organs. The radiation dose received by bronchial epithelium by the means of inhalation was likewise high when contrasted with that by stomach walls through ingestion. [ABSTRACT FROM AUTHOR]

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. [ABSTRACT FROM AUTHOR]

In the present study, the radon mass and thoron surface exhalation rates have been measured in the soil samples collected from the villages of the Amritsar and Tarn Taran districts of Punjab using the active portable device, i.e., SMART RnDuo monitor to quantify the level of rate of radon and thoron exhalation. The average values of radon mass exhalation rate were 20 ± 7 mBq kg−1 h−1 and 23 ± 5 mBq kg−1 h−1 in Amritsar and Tarn Taran districts, respectively. Similarly, the average value of thoron surface exhalation rate was 664 ± 237 Bq m−2 h−1 and 1531 ± 1503 Bq m−2 h−1 in Amritsar and Tarn Taran districts, respectively. [ABSTRACT FROM AUTHOR]

The exposure of natural background radiation imparts a major contribution to inhalation doses received by the public, and its amount depends on the lithology, altitude, and building construction materials. The preliminary results of indoor and outdoor gamma-ray dose rate of Udhampur district, Jammu and Kashmir, India are presented. Indoor radon and thoron gas concentration have also been measured by using the LR-115 based pin-hole detectors in the same villages and the estimated concentrations are within the recommended level of the International Commission of Radiological Protection. For the outdoor environment, the minimum and maximum gamma dose rate were 0.06 and 0.4 μSvh-1, whereas for indoor environment, the minimum and maximum gamma dose rates were 0.09 and 0.21 μSvh-1, respectively. Effects of lithology on indoor radon/thoron concentration and also on gamma dose rates have also been investigated. The average values of annual effective dose from background gamma radiations were well within the safe limit and does not cause health hazard to the inhabitants. [ABSTRACT FROM AUTHOR]

Radon concentration has been estimated in drinking water samples of 17 selected locations in Amritsar city of Punjab, India. RAD7, an electronic solid state radon monitor has been used to evaluate the radon concentration in collected drinking water samples. The corresponding annual mean effective dose for ingestion and inhalation was calculated according to parameters introduced by UNSCEAR (2000) report. The radon concentration in drinking water samples has been found to vary from 0.53 ± 0.11 to 11.20 ± 1.40 Bql-1. The values of radon concentration in these samples were found below the recommended limit proposed by USEPA (1991) and European Commission (2001). The range of calculated annual effective dose varied between 1.45 and 30.57 μSvy-1. These values lie well within the safe limit prescribed by the WHO (2003) and European council (2005). The purpose of this study was to assess the radiological risk, if any, to human health due to consumption of drinking water that is available at Amritsar city. [ABSTRACT FROM AUTHOR]