Heated Tobacco Products: Volatile Emissions and Their Predicted Impact on Indoor Air Quality

Cancelada, Lucia; Sleiman, Mohamad; Tang, Xiaochen; Russell, Marion L.; Montesinos, V. Nahuel; Litter, Marta I.; Gundel, Lara A.; Destaillats, Hugo

doi:10.1021/acs.est.9b02544

Title: Heated Tobacco Products: Volatile Emissions and Their Predicted Impact on Indoor Air Quality

Journal Article · Fri May 31 00:00:00 EDT 2019 · Environmental Science and Technology

DOI: https://doi.org/10.1021/acs.est.9b02544 · OSTI ID:1637293

Cancelada, Lucia ^[1];

^[2]; Tang, Xiaochen ^[3]; Russell, Marion L. ^[3]; Montesinos, V. Nahuel ^[4]; Litter, Marta I. ^[5]; Gundel, Lara A. ^[3];

^[3]

Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); National Commission of Atomic Energy (CNEA)-CONICET, Buenos Aires (Argentina)
Univ. Clermont Auvergne (France)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
National Commission of Atomic Energy (CNEA)-CONICET, Buenos Aires (Argentina); Centro Tecnologías Químicas, FRBA-UTN, Caba (Argentina)
National Commission of Atomic Energy (CNEA)-CONICET, Buenos Aires (Argentina); Univ. de General San Martin, Buenos Aires (Argentina)

This study characterized emissions from IQOS, a heated tobacco product promoted as a less harmful alternative to cigarettes. Consumable tobacco plugs were analyzed by headspace GC/MS to assess the influence of heating temperature on the emission profile. Yields of major chemical constituents increased from 4.1 mg per unit at 180 °C to 6.2 mg at 200 °C, and 10.5 mg at 220 °C. The Health Canada Intense smoking regime was used to operate IQOS in an environmental chamber, quantifying 33 volatile organic compounds in mainstream and sidestream emissions. Aldehydes, nitrogenated species, and aromatic species were found, along with other harmful and potentially harmful compounds. Compared with combustion cigarettes, IQOS yields were in most cases 1-2 orders of magnitude lower. However, yields were closer to, and sometimes higher than electronic cigarettes. Predicted users' daily average intake of benzene, formaldehyde, acetaldehyde and acrolein were 39 μg, 32 μg, 2.2 mg and 71 μg, respectively. Indoor air concentrations were estimated for commonly encountered scenarios, with acrolein levels of concern (over 0.35 μg m-3) derived from IQOS used in homes and public spaces. Heated tobacco products are shown to be a weaker indoor pollution source than conventional cigarettes, but their impacts are neither negligible nor yet fully understood.

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Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC); University of California Tobacco-Related Disease Research Program (TRDRP); Agencia Nacional de Promocioń Cientifíca y Tecnoloǵica (ANPCyT)

Grant/Contract Number:: AC02-05CH11231

OSTI ID:: 1637293

Journal Information:: Environmental Science and Technology, Journal Name: Environmental Science and Technology Journal Issue: 13 Vol. 53; ISSN 0013-936X

Publisher:: American Chemical Society (ACS)Copyright Statement

Country of Publication:: United States

Language:: English

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Heated Tobacco Products: A Review of Current Knowledge and Initial Assessments Mallock, Nadja; Pieper, Elke; Hutzler, Christoph Frontiers in Public Health, Vol. 7 https://doi.org/10.3389/fpubh.2019.00287	journal	October 2019

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