Abstract
A new all season passive sampling system for monitoring O3 in the atmosphere has been developed in the laboratory and validated in the field. The unique features for this system include a newly designed passive sampler and a rain shelter, which allow the passive sampler to be installed in the field facing downwards. An equation associated with meteorological parameters is used to calculate the passive sampling rates. This system has been extensively tested in the lab (temperature from −18 to 20°C, relative humidity from 13 to 81%, and wind speed from 0.5 to 150 cm/s) and validated in the field in climates of all seasons. The accuracy of the ozone concentrations in the atmosphere obtained with the use of the new passive sampling system was higher than 85% compared to those obtained with continuous ozone analyzers. The new ozone passive sampling system can be used to measure ambient O3 concentrations ranging from 3 ppb to 1000 ppb based on one-day exposure and 0.1 ppb to 140 ppb for a monthly exposure period. It is also reasonable to conclude that the new passive sampling system can be used for eight-hour exposure study because of the low field blanks and high sampling rates.
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© 2000 Springer Science+Business Media Dordrecht
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Tang, H., Lau, T. (2000). A New All Season Passive Sampling System for Monitoring Ozone in Air. In: Sokhi, R.S., San José, R., Moussiopoulos, N., Berkowicz, R. (eds) Urban Air Quality: Measurement, Modelling and Management. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0932-4_14
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DOI: https://doi.org/10.1007/978-94-010-0932-4_14
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