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Indoor radon: An overview on a perennial problem

机译：室内ra：多年生问题概述

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According to the World Health Organization (WHO) radon constitutes the second cause of lung cancer in the general population, the first being smoking. In addition health investigations also show that children are more susceptible than adults to ionizing radiation. In the past, it was accepted that only radon concentrations above 400 Bq/m~3 could constitute a health risk, however, recent epidemiological findings demonstrate lung cancer risk from exposure to indoor radon at levels in the order of 100 Bq/m~3. Furthermore, lung cancer aggravates based on the accumulated inhaled dose and, according to WHO, there is no lower radon level below which the risk from exposure disappears. Nevertheless, some surveys show that the majority of the public seems to consider the health risks involved in radon exposure as being negligible. To make things worse, only a few countries require the use of protection measures for buildings located in radon affected areas. This paper reviews literature on radon as a source of indoor air contamination. It covers recent legislation, building protecting measures and their cost-effectiveness. It also covers the case of radon emissions from construction and decorative materials.
机译：根据世界卫生组织（WHO），ra是构成普通人群第二大肺癌的原因，首先是吸烟。此外，健康调查还显示，儿童比成人更容易受到电离辐射的伤害。在过去，只有ra浓度高于400 Bq / m〜3才构成健康风险，但是，最近的流行病学研究结果表明，暴露于室内B浓度在100 Bq / m〜3左右的肺癌风险。此外，根据累积的吸入剂量，肺癌会恶化，据世界卫生组织称，ra水平没有降低，低于此水平的暴露风险就消失了。尽管如此，一些调查显示，大多数公众似乎认为与exposure接触有关的健康风险可以忽略不计。更糟的是，只有少数几个国家要求对ra影响地区的建筑物采取保护措施。本文回顾了有关ra作为室内空气污染源的文献。它涵盖了最近的立法，制定保护措施及其成本效益。它还涵盖了建筑和装饰材料中ra排放的情况。

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