Thirdhand smoke uptake to aerosol particles in the indoor environment

Science Advances
Peter F DeCarloMichael S Waring

Abstract

Aerosol composition measurements made in an indoor classroom indicate the uptake of thirdhand smoke (THS) species to indoor particles, a novel exposure route for THS to humans indoors. Chemical speciation of the organic aerosol fraction using mass spectrometric data and factor analysis identified a reduced nitrogen component, predominantly found in the indoor environment, contributing 29% of the indoor submicron aerosol mass. We identify this factor as THS compounds partitioning from interior surfaces to gas phase and then aerosol phase. Partitioning of THS vapors to aerosols requires an aqueous phase for reactive uptake of the reduced nitrogen species (RdNS), leading to seasonal differences in THS concentration indoors. RdNS protonate under the acidic conditions expected for indoor aerosols of outdoor origin. Controlled laboratory measurements performed using cigarette smoke deposited into a Pyrex vessel showed a similar partitioning behavior to aerosol of outdoor origin and mass spectral features comparable to the measured indoor THS factor after 1 week of residence time in the closed vessel. This study reports a new, potentially large THS exposure route from partitioning of surface volatile organic compounds into the aerosol...Continue Reading

Associated Datasets

References

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Citations

Jan 31, 2019·Environmental Science. Processes & Impacts·Anita M AveryPeter F DeCarlo
Apr 11, 2019·Environmental Science. Processes & Impacts·Michael David LeslieNadine Borduas-Dedekind
Apr 19, 2019·Environmental Science. Processes & Impacts·Anita M AveryPeter F DeCarlo
Jul 23, 2019·Environmental Science. Processes & Impacts·D K FarmerY Zhou
Nov 13, 2019·Environmental Science. Processes & Impacts·Jonathan P D Abbatt, Chen Wang
Apr 2, 2020·Indoor Air·William W Nazaroff, Charles J Weschler
Aug 18, 2020·Nicotine & Tobacco Research : Official Journal of the Society for Research on Nicotine and Tobacco·Georg E MattThomas E Novotny
Aug 2, 2019·Scientific Reports·Heather Schwartz-Narbonne, D James Donaldson
Apr 30, 2020·Scientific Reports·Brian M GravesAdam M Boies
Jan 12, 2021·Atmospheric Chemistry and Physics·Havala O T PyeAndreas Zuend
Nov 21, 2020·Environmental Research·Xiaochen TangHugo Destaillats
Apr 3, 2020·Environmental Science & Technology·Mengze LiJonathan Williams
Dec 8, 2020·Environmental Science & Technology·Allen H GoldsteinJonathan Williams
Feb 23, 2019·Analytical Chemistry·Delphine K Farmer
May 8, 2020·Environmental Science & Technology·David LunderbergAllen H Goldstein
Jun 1, 2019·Environmental Science & Technology·Lucia CanceladaHugo Destaillats
Nov 5, 2020·Environmental Science & Technology·Aaron D L Wylie, Jonathan P D Abbatt
Oct 23, 2018·Environmental Science & Technology·Douglas B CollinsJonathan P D Abbatt

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