Atmospheric volatile organic compounds monitoring Ozone induced artefact formation

Assessment of population exposure to VOC in ambient atmospheres is receiving heightened interest as the adverse health effects of chronic exposure to certain of these compounds are identified. Active (pumped) and passive samplers are the most commonly used devices for this type of monitoring. It has...

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Bibliographic Details
Published inEnvironmental monitoring and assessment Vol. 65; no. 1-2; pp. 89 - 97
Main Authors Bates, Matthew S., Gonzalez-Flesca, Norbert, Sokhi, Ranjeet, Cocheo, Vincenzo
Format Journal Article
LanguageEnglish
Published Springer 2000
Subjects
Environmental Sciences
ARTEFACT
BENZENE
OZONE
TOLUENE
STYRENE
PASSIVE SAMPLING
ACETALDEHYDE
ACTIVE SAMPLING
SCRUBBER
FORMALDEHYDE
VOLATILE ORGANIC COMPOUNDS (VOC)
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Summary:Assessment of population exposure to VOC in ambient atmospheres is receiving heightened interest as the adverse health effects of chronic exposure to certain of these compounds are identified. Active (pumped) and passive samplers are the most commonly used devices for this type of monitoring. It has been shown, however, that these devices, along with all other preconcentration techniques, are susceptible to ozone interference. It is demonstrated that this interference occurs even at low ozone concentrations and that it may result in the under-estimation of population exposure. A convenient and effective ozone scrubbing method is identified and successfully applied and validated for both active and passive samplers for a range of VOC
ISSN:0167-6369
1573-2959
DOI:10.1023/A:1006420412523