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Tob Control. 2017 Jan;26(1):109-112. doi: 10.1136/tobaccocontrol-2015-052772. Epub 2016 Feb 15.

Electronic cigarette use and indoor air quality in a natural setting.

Author information

  • 1Department of Psychology, Virginia Commonwealth University, Center for the Study of Tobacco Products, Richmond, Virginia, USA.

Abstract

INTRODUCTION:

Secondhand smoke (SHS) from combustible cigarettes causes numerous diseases. Policies have been developed to prevent SHS exposure from indoor cigarette use to reduce health risks to non-smokers. However, fewer policies have been implemented to deter electronic cigarette (ECIG) use indoors, and limited research has examined the impact of secondhand exposure to ECIG aerosol.

METHODS:

Indoor air quality was measured at a 2-day ECIG event held in a large room at a hotel. Fine particulate matter (PM) was measured using 2 devices that measured concentrations of PM 2.5 μm aerodynamic diameter or smaller (PM2.5). Measurements were taken before the event, over 2 days when the event was ongoing, and the day after the event. PM2.5 measurements were also taken from the restaurant at the hotel hosting the event and a restaurant at a nearby hotel.

RESULTS:

During 6 time points when the event was ongoing, between 59 and 86 active ECIG users were present in the event room (room volume=4023 m3). While the event was ongoing, median PM2.5 concentrations in the event room increased from a baseline of 1.92-3.20 μg/m3 to concentrations that ranged from 311.68 μg/m3 (IQR 253.44-411.84 μg/m3) to 818.88 μg/m3 (IQR 760.64-975.04 μg/m3).

CONCLUSIONS:

PM2.5 concentrations observed at the ECIG event were higher than concentrations reported previously in hookah cafés and bars that allow cigarette smoking. This study indicates that indoor ECIG use exposes non-users to secondhand ECIG aerosol. Regulatory bodies should consider establishing policies that prohibit ECIG use anywhere combustible cigarette use is prohibited.

KEYWORDS:

Electronic nicotine delivery devices; Public policy; Secondhand smoke

PMID:
26880745
PMCID:
PMC4985441
[Available on 2018-01-01]
DOI:
10.1136/tobaccocontrol-2015-052772
[PubMed - in process]
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