生活用地下水对室内的氡污染及控制
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摘要: 生活用地下水氡的释放给室内造成污染并给人体组织一定的剂量贡献,UNSCEAR按平均值3.7kBqm-3氡水计算,致支气管上皮组织剂量当量为4~9mSva-1,致胃和全身的有效剂量当量分别为10mSva-1和0.2mSva-1。根据室内平衡当量氡浓度的限值,推断出水中氡的限制标准。水中氡的污染可用活性炭吸附法和暴气驱氡法去除。
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