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Commuters’ Personal Exposure to Ambient and Indoor Ozone in Athens, Greece

机译：希腊雅典通勤者个人暴露于环境和室内臭氧中

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This pilot study aimed to monitor the residential/office indoor, outdoor, and personal levels of ozone for people living, working, and commuting in Athens, Greece. Participants (16 persons) of this study worked at the same place. Passive sampling analysis results did not indicate any limit exceedance (Directive 2008/50/EC: 120 μg/m 3 , World Health Organization (WHO) Air Quality Guidelines 2005: 100 μg/m 3 ). The highest “house-outdoor” concentration was noticed for participants living in the north suburbs of Athens, confirming the photochemical ozone formation at the northern parts of the basin during southwestern prevailing winds. The residential indoor to outdoor ratio (I/O) was found to be significantly lower than unity, underlying the outdoor originality of the pollutant. The highest “office-indoor” concentration was observed in a ground-level building, characterized by the extensive use of photocopy machines and printers. Personal ozone levels were positively correlated only with indoor-office concentrations. A clear correlation of personal ozone levels to the time spent by the individuals during moving/staying outdoors was observed. On the other hand, no correlation was observed when focusing only on commuting time, due to the fact that transit time includes both on-foot and in-vehicle time periods, therefore activities associated with increased exposure levels, but also with pollutants removal by recirculating air filtering systems, respectively.
机译：这项试验性研究旨在监测希腊雅典的住宅/办公室室内，室外和个人的臭氧水平，以供其在生活，工作和上下班时使用。这项研究的参与者（16人）在同一地方工作。被动采样分析结果未表明有任何超出限值（指令2008/50 / EC：120μg/ m 3，世界卫生组织（WHO）2005年空气质量准则：100μg/ m 3）。居住在雅典北郊的参与者发现了最高的“室外”浓度，这证实了西南风期间盆地北部的光化学臭氧形成。发现住宅的室内室外比率（I / O）明显低于1，这是污染物在室外的独创性。在地面建筑物中观察到最高的“室内”浓度，其特点是广泛使用影印机和打印机。个人臭氧水平仅与室内办公室浓度呈正相关。观察到个人臭氧水平与个人在户外移动/停留期间所花费的时间之间存在明显的相关性。另一方面，仅在通勤时间上没有观察到相关性，这是因为运输时间既包括步行时间也包括车辆时间，因此活动与暴露水平的增加有关，但也与通过再循环去除污染物有关空气过滤系统。

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