STATISTICAL ESTIMATION OF RADIOLOGICAL HAZARDS FROM RADIONUCLIDE CONTENTS IN BUILDING MATERIALS

被引：2

作者：

Adewoyin, O. O. ^{[1
]}

Omeje, M. ^{[1
]}

Joel, E. S. ^{[1
]}

Odetunmibi, O. A. ^{[2
]}

机构：

[1] Covenant Univ, Coll Sci & Technol, Dept Phys, Ota 112233, Ogun State, Nigeria

[2] Covenant Univ, Coll Sci & Technol, Dept Math, Ota 112233, Ogun State, Nigeria

来源：

RADIATION PROTECTION DOSIMETRY | 2019年 / 185卷 / 04期

关键词：

NATURAL RADIOACTIVITY; RADON EXHALATION; SOIL SAMPLES; CONSTRUCTION; DWELLINGS; DISTRICTS; TH-232; ABUJA; U-238; K-40;

D O I：

10.1093/rpd/ncz047

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Thirteen (13) types of building tiles and Sharp sand commonly used for building purposes were collected for their radionuclide contents analysis using gamma ray spectrometry. The average value of the Radium equivalent activity is 208.81 Bq/kg for all samples considered was found to be lower than the recommended safe limit of 370 Bq/kg. Similarly, both external and internal hazard indices (H-ex and H-in) were noted to have mean values of 0.57 and 0.73, respectively, which were lower than the recommended safe standard of 1. More so, the average absorbed gamma dose rate was observed to be 94.31 nGy/h, much higher than the recommended safe limit of 59 nGy/h.

引用

页码：519 / 525

页数：7

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