Abstract
A series of experiments were conducted to investigate the suitability of activated carbon cloth (ACC) strips for diffusive sampling of volatile organic compounds in air without using a membrane. Experiments were carried out in an environmental chamber and in an indoor air environment. The monitors were analyzed qualitatively by liquid extraction and gas chromatography-mass spectrometry and quantitatively by gas chromatography with a flame ionization detector. It was shown that ACC monitors can provide satisfactory quantitative data for a wide variety of volatile organic compounds in indoor air ranging in concentration from 1 mg/m 3 to 0.02 g/m 3. It was also observed that the absence of a membrane does not affect the linearity of the sampling rate. In addition, a packaging system has been developed that allows samples to be sent out and returned to the laboratory for analysis by mail. Recycling, a convenient procedure of exposure, delivery, and return by postal service, as well as simple analysis all show that this passive sampler substantially reduces the cost of monitoring, thus demonstrating its benefits in the determination of contamination sources within both large industrial sites or any other building where such an analysis may be required.
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