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Risk Assessment of Occupational Exposure to Environmental Tobacco Smoke Emissions

Department of Civil and Environmental Engineering, American University of Beirut, Lebanon

M. El Fadel

Department of Civil and Environmental Engineering, American University of Beirut, Lebanon

This paper presents an assessment of occupational in door exposure to air pollutants emitted from environ mental tobacco smoke in a public restaurant. Field moni toring data of carbon monoxide (CO) and total sus pended particulates (TSP) levels were used to calibrate the model RISK and simulate pollutant concentration profiles in various subdivisions of the prototype restau rant, and instantaneous as well as cumulative exposure levels for working individuals. The risk assessment of occupational exposure to environmental tobacco smoke was then examined using risk levels associated with CO and TSP. Mitigation measures were evaluated in terms of efficiency of decreasing pollutant exposure levels.

Key Words: Indoor air quality • Instantaneous/cumulative exposure • Environmental tobacco smoke • Carbon monoxide • Total suspended particles • RISK model

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