An extended baseline examination of indoor VOCs in a city of low ambient pollution: Perth, Western Australia

Shannan Maisey, Sam Saunders, N.J. West, Peter Franklin

Research output: Contribution to journalArticlepeer-review

26 Citations (Scopus)

Abstract

This study of indoor air quality reports VOC concentrations in 386 suburban homes located in Perth Western Australia, a city of low ambient pollution and temperate climate. Details of indoor VOC concentrations, temperature, relative humidity, and information on house characteristics and occupant activities were collected during the sampling periods. The concentration of VOCs observed in typical homes was low and individual compounds rarely exceeded 5μgm-3. Median individual VOC concentrations ranged from 0.06μgm-3 for 1,1,1 trichloroethane and butyl ether to 26.6μgm-3 for cis/trans 2-butene. Recently renovated homes had higher concentrations of VOCs than non renovated homes, including ∑VOCs (p=0.026), ∑BTEX (p=0.03), ∑xylene (p=0.013), toluene (p=0.05), cyclohexane (p=0.039), and propyl benzene (p=0.039). Statistical analyses showed house age and attached garages were not significant factors for any of the VOCs tested. The concentrations of indoor VOCs in Perth were lower than overseas observations and those reported in recent Australian studies, with inferences made to differences in the climate and the occupant behaviour. The results are a baseline profile of indoor VOCs over the period 2006-2011, in an Australian city of low population density and of generally low ambient pollution. © 2013 Elsevier Ltd.
Original languageEnglish
Pages (from-to)546-553
JournalAtmospheric Environment
Volume81
DOIs
Publication statusPublished - 2013

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