Design for smoking areas: Part 1 - Fundamentals.

ASHRAE currently provides little practical information for optimizing the design of a cigar or smoking lounge, although recent ASHRAE forums have indicated an increased interest in this area. This paper provides a summary of the measurement of environmental tobacco smoke (ETS) from cigarettes or cigars, the manner in which ETS concentration varies with rates of smoking and ventilation, and the relationship between ETS concentration and indoor air quality. During the past two decades, a large number of studies have been published on the chemistry of ETS and how it changes over time, under either controlled laboratory or more real-world conditions. Controlled laboratory exposure studies have been used to predict occupant and visitor responses to ETS in indoor environments. Based on the information from chamber studies, field studies, and engineering experience, a method is proposed for determining the ventilation required to maintain air quality in different situations where smoking occurs.