Aït Ziane M, Lounis-Mokrani Z, Allab M
Laboratoire de Dosimétrie des Rayonnements Ionisants, Centre de Recherche Nucléaire d'Alger (CRNA), Algiers, Algeria
Laboratoire de Dosimétrie des Rayonnements Ionisants, Centre de Recherche Nucléaire d'Alger (CRNA), Algiers, Algeria.
Radiat Prot Dosimetry. 2014 Jul;160(1-3):128-33. doi: 10.1093/rpd/ncu058. Epub 2014 Apr 7.
Radon activity concentrations have been measured in 34 workplaces throughout Algiers nuclear research centre, in Algeria, during some periods between March 2007 and June 2013 using Electret ion chambers, nuclear tracks detectors and an AlphaGuard system. The indoor radon levels range from 2 to 628 Bq m(-3) with an average indoor concentration equals to 92 Bq m(-3), whereas the estimated outdoor radon concentrations range from 2 to 14 Bq m(-3) with an average value of 6 Bq m(-3). This study also focused on parameters affecting radon concentration levels such as floor number, ventilation and atmospheric parameters. Furthermore, the mean gamma rates have been measured in the different investigated locations and have been found to be varying between 33 and 3300 nSv h(-1). The annual effective dose for workers calculated using the appropriate equilibrium and occupancy factors is lower than the value recommended by International Commission on Radiological Protection in its Publication 103.
2007年3月至2013年6月期间的某些时段，使用驻极体电离室、核径迹探测器和AlphaGuard系统，对阿尔及利亚阿尔及尔核研究中心的34个工作场所的氡活度浓度进行了测量。室内氡水平在2至628 Bq m(-3)之间，室内平均浓度为92 Bq m(-3)，而估计的室外氡浓度在2至14 Bq m(-3)之间，平均值为6 Bq m(-3)。本研究还关注了影响氡浓度水平的参数，如楼层数、通风和大气参数。此外，还在不同的调查地点测量了平均伽马率，发现其在33至3300 nSv h(-1)之间变化。使用适当的平衡和占用因子计算出的工人年有效剂量低于国际放射防护委员会第103号出版物中推荐的值。
