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Radon and NO2 levels and related environmental factors in 100 underground subway platforms over two-year period

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dc.contributor.authorHwang, SH-
dc.contributor.authorPark, JB-
dc.contributor.authorPark, WM-
dc.date.accessioned2019-11-13T04:27:39Z-
dc.date.available2019-11-13T04:27:39Z-
dc.date.issued2018-
dc.identifier.issn0265-931X-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/17600-
dc.description.abstractIn this study, the environmental factors that affect radon (Rn) and nitrogen dioxide (NO2) levels in subway-station underground platforms are evaluated, and the outdoor NO2 levels are compared with those obtained for the underground platforms. The Rn and NO2 levels from May 2013 to September 2015 are determined for lines 1-4 of the Seoul Metro, via calculation of the arithmetic means of the Rn and NO2 levels with their standard deviations (SDs). The underground Rn levels in 2013 are found to be significantly higher than those recorded in 2015 for the Seoul Metro. In addition, the Rn levels are related to the station depth and construction year. Further, the underground NO2 levels are shown to be significantly higher than the outdoor levels for all four Seoul Metro subway lines. The Rn levels are also found to vary significantly between months, and are shown to increase gradually with depth from 8 to 20 m. The Rn levels are also higher for stations constructed in the 1980s. Therefore, stricter monitoring of Rn level may be required for stations constructed in the 1980s and/or having platform depths within the 8-20 m range. Island-type platform stations based on granite areas may also require careful attention.-
dc.language.isoen-
dc.subject.MESHAir Pollutants-
dc.subject.MESHAir Pollution, Radioactive-
dc.subject.MESHRadiation Monitoring-
dc.subject.MESHRadon-
dc.subject.MESHRailroads-
dc.titleRadon and NO2 levels and related environmental factors in 100 underground subway platforms over two-year period-
dc.typeArticle-
dc.identifier.pmid29132033-
dc.subject.keywordRadon level-
dc.subject.keywordNitrogen dioxide level-
dc.subject.keywordSubway station management-
dc.subject.keywordSeoul Metro-
dc.contributor.affiliatedAuthor박, 재범-
dc.type.localJournal Papers-
dc.identifier.doi10.1016/j.jenvrad.2017.11.003-
dc.citation.titleJournal of environmental radioactivity-
dc.citation.volume181-
dc.citation.date2018-
dc.citation.startPage102-
dc.citation.endPage108-
dc.identifier.bibliographicCitationJournal of environmental radioactivity, 181. : 102-108, 2018-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1879-1700-
dc.relation.journalidJ00265931X-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Occupational & Environmental Medicine
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