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J Air Waste Manag Assoc

Title:		Nicotine as a Marker for Environmental Tobacco Smoke: Implications of Sorption on Indoor Surface Materials
Author(s):		Van Loy MD; Nazaroff WW; Daisey JM;
Address:		"a Department of Civil and Environmental Engineering , University of California , Berkeley , California , USA. b Indoor Environment Program, E.O. Lawrence Berkeley National Laboratory , Berkeley , California , USA"
Journal Title:		J Air Waste Manag Assoc
Year:		1998
Volume:		48
Issue:		10
Page Number:		959 - 968
DOI:		10.1080/10473289.1998.10463742
ISSN/ISBN:		2162-2906 (Electronic) 1096-2247 (Linking)
Abstract:		"Recently developed models and data describing the interactions of gas-phase semi-volatile organic compounds with indoor surfaces are employed to examine the effects of sorption on nicotine's suitability as an environmental tobacco smoke (ETS) marker. Using parameters from our studies of nicotine sorption on carpet, painted wallboard, and stainless steel and previously published data on ETS particle deposition, the dynamic behavior of nicotine was modeled in two different indoor environments: a house and a stainless steel chamber. The results show that apparently contradictory observations of nicotine's behavior in indoor air can be understood by considering the effects of sorption under different experimental conditions. In indoor environments in which smoking has occurred regularly for an extended period, the sorbed mass of nicotine is very large relative to the mass emitted by a single cigarette. The importance of nicotine adsorption relative to ventilation as a gas-phase removal mechanism is reduced. Where smoking occurs less regularly or the indoor surfaces are cleaned prior to smoking (as in a laboratory chamber), nicotine deposition is more significant. Nicotine concentrations closely track the levels of other ETS constituents in environments with habitual smoking if the data are averaged over a period significantly longer than the period between cigarette combustion episodes. However, nicotine is not a suitable tracer for predicting ETS exposures at fine time scales or in settings where smoking occurs infrequently and irregularly"
Keywords:
Notes:		"PubMed-not-MEDLINEVan Loy, Michael D Nazaroff, William W Daisey, Joan M eng 1998/10/01 J Air Waste Manag Assoc. 1998 Oct; 48(10):959-968. doi: 10.1080/10473289.1998.10463742"