Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/24785
Title: Instrumentation issue in indoor air quality measurements : the case with respirable suspended particulates
Authors: Niu, J 
Lu, BMK
Tung, TCW
Keywords: Indoor air quality instrumentation, gravimetric, light scattering
Respirable suspended particulates
Issue Date: 2002
Publisher: SAGE Publications
Source: Indoor and built environment, 2002, v. 11, no. 3, p. 162-170 How to cite?
Journal: Indoor and built environment 
Abstract: Two fundamentally different instruments are commonly used to measure the concentration of respirable suspended particulates in the indoor environment, one is a gravimetric method, and the other is a light-scattering method. The two methods are specified as alternatives in the current indoor air quality certification scheme in Hong Kong. In this paper, we investigated the correlation between the two methods and subsequently recommended that the gravimetric method should be used as the reference method and the light scattering method for preliminary screening measurements as this can significantly reduce man-hours and also can provide diurnal concentration variation profiles. A similar correlation study should be conducted for instrumentation used for measuring other pollutants, especially regarding total volatile organic compounds.
URI: http://hdl.handle.net/10397/24785
ISSN: 1420-326X
EISSN: 1423-0070
DOI: 10.1159/000064125
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