ETS in Offices and When Smoking Is Restricted to Designated But Not Separately Ventilated Areas
Nicotine, respirable suspended particles (RSP), carbon monoxide (CO), and carbon dioxide (CO2) levels were measured in the smoking and nonsmoking sections of two cafeterias, a smoking lounge, and several offices.
smoking permitted ad lib,
smoking prohibited except in designated areas which were not separately ventilated, and
smoking prohibited except in designated areas which were separately ventilated.
Nicotine levels in the nonsmoking offices which received recirculated air from a designated smoking area were less than 1.0μg/m3. There was no difference in average RSP, CO, and CO2 concentrations between nonsmoking offices that received recirculated air from designated smoking areas and nonsmoking offices that did not receive recirulated air. The results indicate that the provision of a designated, but not separately ventilated smoking area can effectively eliminate or drastically reduce most components of environmental tobacco smoke from non-smoking offices.
KeywordsEnvironmental Tobacco Smoke Environmental Tobacco Smoke Exposure Nicotine Concentration Nicotine Level Smoking Policy
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