Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24628
Title: Diagnostics of unsatisfactory indoor air quality in air-conditioned workplaces
Authors: Mui, KW 
Hui, PS
Wong, LT 
Keywords: Environmental diagnosis
IAQ index
Indoor air quality
Likelihood ratios
Representative pollutants
Screening test
Issue Date: 2011
Publisher: SAGE Publications
Source: Indoor and built environment, 2011, v. 20, no. 3, p. 313-320 How to cite?
Journal: Indoor and built environment 
Abstract: This study examines a screening process for environmental diagnosis of indoor air quality (IAQ) problems in air-conditioned office buildings. Diagnosis of IAQ problems in relation to complaints of environmental health effects has not been identified as a precise science and this paper proposes an evaluation tool to address this need. An "IAQ index", the average fractional dose of a set of three representative indoor pollutants, has been developed for this purpose, to be used as a screening parameter for detecting the unsatisfactory factors affecting the IAQ in an air-conditioned office. The wide-ranging set of prescribed IAQ measurements for these investigations can be prohibitive due to complexity, cost and time period taken to obtain results. In this study, a 5-level screening strategy based on the IAQ index to quantify the likelihood of unsatisfactory IAQ in air-conditioned workplaces is being proposed. The proposed assessment tool would be a useful protocol for policymakers and professionals to evaluate the relative environmental performance of office spaces and to investigate any IAQ problem. A proposed set of three measurements are used to inform decision whether to take any further action (more measurements or remedial measures) to allow early diagnosis of IAQ problems in air-conditioned offices to satisfy existing Hong Kong IAQ standards.
URI: http://hdl.handle.net/10397/24628
ISSN: 1420-326X
EISSN: 1423-0070
DOI: 10.1177/1420326X11400880
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