Abstract
Time-weighted average concentrations of selected volatile organic air pollutants were determined in eight apartments in the city of Gdańsk (Poland) using permeation passive sampling. The samplers were recalibrated prior to use by controlled exposure to standard gaseous mixtures of the analytes. Small but statistically significant differences were found between the calibration constants determined initially and after one year of field use of the samplers for some of the analytes. The results obtained by the passive sampling technique were compared to those obtained by dynamic sampling using active charcoal-filled tubes, and dynamic sampling using Tenax-TA tubes. Overall, the results obtained by the three techniques were similar. Maximum allowable concentrations of the analytes were not exceeded in any of the apartments examined. The results of total volatile organic compounds 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.
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