Abstract:The aims of this study were to determine the indoor level of environmental tobacco smoke (ETS) and to assess the implementation rate of smoke-free law at hospitality venues around a university campus by measuring particulate matter smaller than 2.5 μm (PM2.5) as an indicator of ETS. We measured the indoor PM2.5 concentrations at 20 internet cafes, 20 pubs, and 20 pool halls using Sidepak AM510, a direct reading portable real time monitor, from October to December 2015. Smoking was observed in 65% of internet c… Show more
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