Passive Samplers In Indoor Air Quality Control
Author(s)
B. Zabiegała, M. Partyka & J. Namieśnik
Abstract
Time-weighted average concentrations of selected volatile organic air pollutants
were determined in 12 apartments in the city of Gda ń sk (Poland) using
permeation passive sampling. The results obtained by the passive sampling
technique were compared to those obtained by dynamic sampling using Tenax-TA
tubes. Overall, the results obtained by the two techniques were similar.
Maximum allowable concentrations of the analytes were not exceeded in any of
the apartments examined. The results of TVOC determination indicated that
some VOCs were unaccounted for in the experiment. The effect of outside air
infiltration on indoor air quality was evaluated by comparing analyte
concentrations in indoor air and in outdoor air in the very vicinity of the
apartment. This effect was found to be minimal.
Keywords: passive sampling, indoor air quality, volatile organic compounds.
1 Introduction
Accurate and representative indoor air quality (IAQ) measurements are very
important when comparing building air with guidelines and standards. The short-term
measurements typically used for IAQ control may reflect temporary
conditions that are not representative for longer periods of time, and in
consequence may lead to incorrect decisions aiming at improving the quality of
air [1-3]. Consequently, techniques allowing the measurement of the
concentration of indoor air pollutants over extended periods of time become
increasingly important. Passive sampling techniques fall within this category, as
they yield time-weighted average concentrations of the analytes for the entire
sampling period. In the overall assessment of the pollutant impact on human
health, time-weighted concentration (TWA) concentrations are more useful than
short-term concentrations, as they reflect the long-term action of these
Keywords
passive sampling, indoor air quality, volatile organic compounds.
Related Book
Other papers in this volume
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