Radon and Thoron Exhalation Rate Measurements in Soil Samples Collected from the Vicinity of a Thermal Power Plant

Pub Date : 2023-01-01 DOI:10.56042/ijpap.v61i10.2800
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Abstract

Radon mass and thoron surface exhalation rate of soil samples collected from the surrounding area of Harduaganj thermal power plant (HTPP), Aligarh is measured using an active radon/thoron monitor (SMART RnDuo). The radon mass exhalation rate values range from 27±1 to 100±3 mBq kg−1 h−1 with a mean value of 63±17 mBq kg−1 h−1. The thoron surface exhalation rate values vary from 1.0 ± 0.2 to 10±1 kBq m−2h-1 with a mean value of 5.7 ± 2.2 kBq m−2h-1. The mean values of radon mass and thoron surface exhalation rate are found to be higher than the worldwide mean values
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从火力发电厂附近收集的土壤样品中氡和钍的呼出率测量
采用SMART RnDuo活性氡/钍监测仪对阿利格尔哈杜甘杰热电厂(HTPP)周边地区土壤样品的氡质量和氡表面呼出率进行了测量。氡质量呼出率范围为27±1 ~ 100±3 mBq kg−1 h−1,平均值为63±17 mBq kg−1 h−1。肺表面呼出速率变化范围为1.0±0.2 ~ 10±1 kBq m−2h-1,平均值为5.7±2.2 kBq m−2h-1。氡质量和氡表面呼出率的平均值高于世界平均值
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