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| Investigation and Analysis on Radon Level of Eight Kindergartens in Summer in a City of China |
| SONG Yan-chao1, MA Yong-zhong2, SUN Ya-ru2, CUI Hong-xing1, HOU Chang-song1, ZHANG Zhen1, WU Yun-yun1 |
1. Chinese Center for Disease Control and Prevention, Beijing 100088 China;
2. Beijing Center for Disease Control and Prevention |
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Abstract Objective To investigate the radon level of kindergartens by selecting eight kindergartens from four districts in a city of China.Methods The indoor radon concentrations of kindergartens were measured by using CR-39 solid state nuclear track detectors, which is a cumulative measurement method.Results The 86 measurement points show that the average indoor radon concentration of the eight kindergartens is (60±34) Bq/m3, ranging from 16 Bq/m3 to 196 Bq/m3.Conclusion The radon concentration of the eight kindergartens meets the corresponding national standard.
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Received: 04 March 2017
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