COMPREHENSIVE INVESTIGATION OF RADON EXPOSURE IN AUSTRIAN TOURIST MINES AND CAVES

被引：2
|
作者：
Gruber, V. [1 ]
Ringer, W. [1 ]
Graeser, J. [1 ]
Aspek, W. [2 ]
Gschnaller, J. [3 ]
机构：
[1] AGES, Natl Radon Ctr Austria, A-4020 Linz, Austria
[2] Austrian Workers Compensat Board AUVA, A-1201 Vienna, Austria
[3] GT Analyt SARL, F-13410 Lambesc, France
来源：
RADIATION PROTECTION DOSIMETRY | 2014年 / 162卷 / 1-2期
关键词：
D O I：
10.1093/rpd/ncu222
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
According to Austrian Law, dose assessments in workplaces with potentially enhanced radon exposures are mandatory since 2008, including tourist mines and caves. A pilot study was carried out to evaluate the situation to test the measurement methods and to specify the main parameters controlling the radon concentration in tourist mines and caves. Radon was measured in six mines and three caves for 1 y, along with determining thoron and equilibrium factors and taking into account climatic, geological and site-related effects. The radon concentrations have a seasonal dependence with maximum in summer and minimum in winter, related to natural ventilation. Radon concentrations in the karst caves were quite low, as it was in the salt mine, whereas radon concentrations in copper and silver mines were high. The dose assessment of the employees yielded doses above 6 mSv a(-1) only in the copper mine.
引用
收藏
页码：78 / 82
页数：5
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