Building Assessment Techniques for Indoor Air Quality Evaluations

by William A. Turner, Harvard Sch of Public Health, Dep of, Environmental Science &, Physiology, Boston, MA, USA,
David W. Bearg, Harvard Sch of Public Health, Dep of, Environmental Science &, Physiology, Boston, MA, USA,
John D. Spengler, Harvard Sch of Public Health, Dep of, Environmental Science &, Physiology, Boston, MA, USA,



Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract: Techniques for indoor air quality evaluations are presented and discussed. The techniques presented first focus on procedures to determine effective ventilation rates and pathways of air movement within the building. This is followed by a discussion of assessment techniques to identify potential sources of air contaminants. These sources can then be categorized with respect to their originating location. Air contaminants can arise from within the building, outside the building, from the mechanical ventilation system, or from localized exhaust systems. The procedures associated with these techniques include the survey of carbon dioxide concentrations to determine effective ventilation rates, the use of enthalpy balance to determine mixing ratios and visual determinations using air current tubes. (Edited author abstract. )

Subject Headings: Indoor environmental quality | Ventilation | Air quality | Carbon dioxide | Quality control | Mechanical systems | Geomatic surveys

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