Radioactivity level of soil around Baqiao coal-fired power plant in China

被引：39

作者：

Lu, Xinwei ^{[1
,2
]}

Zhao, Caifeng ^{[1
]}

Chen, Cancan ^{[1
]}

Liu, Wen ^{[1
]}

机构：

[1] Shaanxi Normal Univ, Sch Tourism & Environm, Xian 710062, Shaanxi Provinc, Peoples R China

[2] Chinese Acad Sci, Inst Eanh Environm, Xian 710075, Peoples R China

来源：

RADIATION PHYSICS AND CHEMISTRY | 2012年 / 81卷 / 12期

关键词：

Radioactivity; Radiation risk; Soil; Power plant; NATURAL RADIOACTIVITY; HEAVY-METALS; RADIOLOGICAL CHARACTERIZATION; RADIONUCLIDE CONCENTRATIONS; BY-PRODUCTS; WEST-BENGAL; CONTAMINATION; HAZARDS;

D O I：

10.1016/j.radphyschem.2012.07.013

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Natural radioactivity level of soil around Baqiao coal-fired power plant in China was determined using gamma ray spectrometry. The concentrations of Ra-226. Th-232 and K-40 in the studied soil samples range from 27.6 to 48.8, 44.4 to 61.4 and 640.2 to 992.2 Bq kg(-1) with an average of 36.1, 51.1 and 733.9 Bq kg(-1), respectively, which are slightly higher than the average values of Shaanxi soil. The radium equivalent activity, the air absorbed dose rate and the annual effective dose rate were calculated and compared with the internationally reported or reference values. The radium equivalent activities of the studied samples are below the internationally accepted values. The air absorbed dose rate and the annual effective dose rate received by the local residents due to the natural radionuclides in soil are slightly higher than the mean value of Xi'an and worldwide. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1827 / 1832

页数：6

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