金矿中职业性辐射暴露与标准

Occupational radiation exposure to norms in a gold mine.

作者信息

Darko E O, Tetteh G K, Akaho E H K

机构信息

Radiation Protection Institute, GAEC, Box LG 80, Legon, Ghana.

出版信息

Radiat Prot Dosimetry. 2005;114(4):538-45. doi: 10.1093/rpd/nci300. Epub 2005 May 24.

DOI:10.1093/rpd/nci300

PMID:15914510

Abstract

Preliminary studies have been conducted into the occupational radiation exposure to NORMS from surface and underground mining operations in a gold mine in the Ashanti Region of Ghana. A brief description of the methods and instrumentation is presented. The annual effective dose has been estimated to be 0.26 +/- 0.11 mSv for surface mining and 1.83 +/- 0.56 mSv for the underground mines using the ICRP dose calculation method. The results obtained are found to be within the allowable limit of 20 mSv per annum for occupational exposure control recommended by the ICRP.

摘要

已对加纳阿散蒂地区一座金矿的地表和地下采矿作业中天然放射性核素的职业辐射暴露进行了初步研究。本文介绍了相关方法和仪器的简要说明。采用国际放射防护委员会（ICRP）的剂量计算方法，估计地表采矿的年有效剂量为0.26±0.11毫希沃特，地下采矿为1.83±0.56毫希沃特。研究结果发现处于ICRP建议的职业暴露控制每年20毫希沃特的允许限值范围内。