Measurement of natural radioactivity in several sandy-loamy soil samples from Sijua, Dhanbad, India

被引：17
作者：
Zubair, M. [1 ]
Shafiqullah [1 ]
机构：
[1] Aligarh Muslim Univ, Fac Engn & Technol, Appl Sci Sect, Aligarh 202002, Uttar Pradesh, India
来源：
HELIYON | 2020年 / 6卷 / 03期
关键词：
Earth sciences; Environmental science; Atmospheric science; Geochemistry; Geology; Geophysics; Nuclear physics; Physics methods; Natural hazards; Nuclear engineering; GAMMA-RADIATION LEVELS; RADON EXHALATION RATE; BUILDING-MATERIALS; RAY SPECTROMETRY; DOSE-RATES; TH-232; K-40; RA-226; HAZARDS;
D O I：
10.1016/j.heliyon.2020.e03430
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The activity concentrations of natural radionuclides Ra-226, Th-232 and K-40 in soil samples collected from Sijua Dhanbad, India were measured by using a gamma-ray spectrometer with a NaI(Tl) detector. The average activity concentration of Ra-226, Th-232, and 40K was found as 60.3, 64.5 and 481.0 Bq: kg(-1), respectively. Average radium equivalent activity, absorbed dose rate, outdoor dose, external hazard index and internal hazard index for the area under study is determined as 189.5 Bq: kg(-1), 87.2 nGy h(-1), 0.4, 0.5 and 0.6 mSv. y(-1), respectively. The annual effective dose to the general public is found 0.4 mSv: y(-1). This value lies well below the limit of 1 mSv: y(1). Measured values have found safe for the environment and public health of the study area.
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页数：8
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