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Title: Evaluation of indoor air quality screening strategies : a step-wise approach for IAQ screening
Authors: Wong, LT
Mui, KW
Tsang, TW
Keywords: Air-conditioned office
Indoor air quality
Issue Date: 2016
Publisher: Molecular Diversity Preservation International (MDPI)
Source: International journal of environmental research and public health, 2016, v. 13, no. 12, 1240 How to cite?
Journal: International journal of environmental research and public health 
Abstract: Conducting a full indoor air quality (IAQ) assessment in air-conditioned offices requires large-scale material and manpower resources. However, an IAQ index can be adopted as a handy screening tool to identify any premises (with poor IAQ) that need more comprehensive IAQ assessments to prioritize IAQ improvements. This study proposes a step-wise IAQ screening protocol to facilitate its cost-effective management among building owners and managers. The effectiveness of three IAQ indices, namely θ1 (with one parameter: CO2), θ2 (with two parameters: CO2 and respirable suspended particulates, RSP) and θ3 (with three parameters: CO2, RSP, and total volatile organic compounds, TVOC) are evaluated. Compared in a pairwise manner with respect to the minimum satisfaction levels as stated in the IAQ Certification Scheme by the Hong Kong Environmental Protection Department, the results show that a screening test with more surrogate IAQ parameters is good at identifying both lower and higher risk groups for unsatisfactory IAQ, and thus offers higher resolution. Through the sensitivity and specificity for identifying IAQ problems, the effectiveness of alternative IAQ screening methods with different monitoring parameters is also reported.
ISSN: 1661-7827
EISSN: 1660-4601
DOI: 10.3390/ijerph13121240
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