Computer-aided methods for evaluating cancer risk in miners due to radiation exposure.

T Domański, D Kluszczyński, W Chruścielewski, J Olszewski
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Abstract

The paper presents some aspects of radiation hazard which occurs in a non-nuclear sector of industry, namely radiation hazard in non-uranium underground mines. The radiation hazard is caused in each type of underground mine by the naturally occurring noble radioactive gas-radon (222Rn) and radioactive products of its decay 218Po, 214Pb, 214Bi/214Po the so-called 'radon daughters' occurring in the mines' air. The paper presents the concept of how to provide a reliable system of assessment of miners' exposure by application of representative individual dosimetry, and also presents principles of computer-aided methods for interpretation of the results of miner's dosimetry useful for conversion of dosimetry data to the term of expected risk of cancer caused by exposure at miner's workplaces. The representative Individual Dosimetry system strengthened by computer-aided methods of analysis of results provided essential information on radiation cancer risk for miners employed in coal mines, metal-ore mines, chemical raw material mines in Poland. The coefficient of annual cancer risk induction is 1.5 x 10(-4) year-1 for coal mines, 1.40 x 10(-4) year-1 for metal ore mines and 1.5 x 10(-4) year-1 for chemical raw material mines. The radiation risk appears to be of the same magnitude as the conventional risk of life loss at work-related accidents. The average Lost Life Expectancy coefficient for both the radiation risk and conventional risk are 0.5 and 0.3 year per each miner, respectively.

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评估矿工因辐射暴露致癌风险的计算机辅助方法。
本文介绍了发生在非核工业部门的辐射危害的几个方面,即非铀地下矿山的辐射危害。天然存在的稀有放射性气体氡(222Rn)及其衰变的放射性产物218Po、214Pb、214Bi/214Po,即存在于矿井空气中的“氡子体”,对各类地下矿山造成辐射危害。本文介绍了如何通过应用代表性个体剂量学来提供可靠的矿工暴露评估系统的概念,并介绍了计算机辅助解释矿工剂量学结果的原理,这些结果有助于将剂量学数据转换为矿工工作场所暴露引起癌症的预期风险。由计算机辅助结果分析方法加强的具有代表性的个人剂量测定系统提供了关于波兰煤矿、金属矿、化学原料矿雇用的矿工的辐射癌风险的基本资料。煤矿年癌症风险诱导系数为1.5 × 10(-4)年,金属矿为1.40 × 10(-4)年,化工原料矿为1.5 × 10(-4)年。辐射风险似乎与工作事故造成的常规生命损失风险相同。辐射风险和常规风险的平均预期寿命损失系数分别为每位矿工0.5年和0.3年。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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International Code of Ethics for occupational health professionals. International conference on peripheral nerve toxicity. (12-13 June, 1993, Kanazawa, Japan). Increased urinary excretion of the oxidative DNA adduct, 8-hydroxydeoxyguanosine, as a possible early indicator of occupational cancer hazards in the asbestos, rubber, and azo-dye industries. Computer-aided methods for evaluating cancer risk in miners due to radiation exposure. Mutagenicity of B(a)P in the presence of some hydralazine derivatives.
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