Mitigation of workplace radon gas concentration using high-performance epoxy resin coating

M. Al-janabi, M. Jaafar, A. Ramizy, K. Omar, Yaman Walid Kassab
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引用次数: 2

Abstract

The indoor radon gas released from concrete was measured using a 0.65 × 0.65 × 0.65 m fabricated concrete slab room, simulating a workplace. The indoor radon gas concentration was monitored, and the remediation method was examined. Radon concentrations were monitored using Radon Monitor Model 1023 from Sun Nuclear. Results show that average radon concentrations reached 111 Bq.m–3 before remediation, beyond the World Health Organization’s acceptable limit of 100 Bq.m–3. Hence, two layers of high-performance waterborne epoxy resin TRU-GLAZE-WB 4030 coating were applied, reducing the radon concentration average to an acceptable level of 14.8 Bq.m–3. Interestingly, the indoor radon concentrations were measured two months after applying the remediation and were found to be stable and within acceptable levels.
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使用高性能环氧树脂涂层降低工作场所氡气浓度
在模拟工作场所的0.65 × 0.65 × 0.65 m预制混凝土板房中,测量了室内混凝土释放的氡气。对室内氡气浓度进行监测,并对修复方法进行了探讨。使用太阳核公司的1023型氡监测仪监测氡浓度。结果表明,平均氡浓度达到111 Bq。超过世界卫生组织规定的100 Bq.m-3的可接受限度。因此,应用了两层高性能水性环氧树脂trug - glaze - wb 4030涂层,将氡浓度平均降低到14.8 Bq.m-3的可接受水平。有趣的是,在采取补救措施两个月后测量了室内氡浓度,结果发现是稳定的,在可接受的水平之内。
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来源期刊
International Journal of Low Radiation
International Journal of Low Radiation Environmental Science-Health, Toxicology and Mutagenesis
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期刊介绍: The IJLR is a peer-reviewed journal dedicated to the publication of research articles, review papers and technical notes in all domains related to low-dose radiation, among which are the biological and health effects in humans and the biota, in vitro and in vivo research on low radiation effects, regulatory and policy aspects, risk estimation and public perception.
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