Secondhand smoke exposure within semi-open air cafés and tobacco specific 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) concentrations among nonsmoking employees

Conclusions These results indicate that the commonly proposed practice of maintaining open sliding walls as a means of free air exchange does not lead to the elimination of employee exposure to tobacco specific carcinogens attributable to workplace SHS.
Source: International Journal of Occupational Medicine and Environmental Health - Category: Occupational Health Source Type: research