Effect of sorption on exposures to organic gases from environmental tobacco smoke (ETS)

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The effects of sorption processes on dynamic ETS organic gas concentrations and potential exposures were studied in a carpeted and furnished 50-m{sup 3} room ventilated at 0.6 h{sup -1}. Ten cigarettes were machine-smoked on six of every seven days over four weeks. Concentrations of ETS-specific tracers and regulated toxic compounds were quantified during daily smoking, post-smoking and background periods. Potential exposures were calculated by period and day. Large sorption effects were observed for the widely used tracers 3-ethenylpyridine and nicotine, and for several toxic compounds including naphthalene and cresol isomers. Short-term adsorption to indoor surfaces reduced concentrations and potential exposures ... continued below

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7 pages

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Singer, B.C.; Hodgson, A.T. & Nazaroff, W.W. January 1, 2002.

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The effects of sorption processes on dynamic ETS organic gas concentrations and potential exposures were studied in a carpeted and furnished 50-m{sup 3} room ventilated at 0.6 h{sup -1}. Ten cigarettes were machine-smoked on six of every seven days over four weeks. Concentrations of ETS-specific tracers and regulated toxic compounds were quantified during daily smoking, post-smoking and background periods. Potential exposures were calculated by period and day. Large sorption effects were observed for the widely used tracers 3-ethenylpyridine and nicotine, and for several toxic compounds including naphthalene and cresol isomers. Short-term adsorption to indoor surfaces reduced concentrations and potential exposures during smoking, while later reemission increased concentrations and exposures hours after smoking ended. Concentrations during nonsmoking periods rose from day to day over the first few weeks, presumably from increased reemission associated with increased sorbed mass concentrations. For sorbing compounds, more than half of daily potential exposures occurred during nonsmoking periods.

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7 pages

Notes

OSTI as DE00792975

Source

  • Indoor Air 2002 - The 9th International Conference on Indoor Air Quality and Climate, Monterey, CA (US), 06/30/2002--07/05/2002

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  • Report No.: LBNL--49576
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 792975
  • Archival Resource Key: ark:/67531/metadc734291

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  • January 1, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • April 4, 2016, 4:06 p.m.

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Singer, B.C.; Hodgson, A.T. & Nazaroff, W.W. Effect of sorption on exposures to organic gases from environmental tobacco smoke (ETS), article, January 1, 2002; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc734291/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.