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Exposure Assessment of Environmental Tobacco Aerosol from Heated Tobacco Products: Nicotine and PM Exposures under Two Limited Conditions

Author

Listed:
  • Tomoyasu Hirano

    (Health Service Division, Health Service Bureau, Ministry of Health, Labour and Welfare, Government of Japan, Tokyo 100-8916, Japan
    Current address: Division of Tobacco Policy Research, National Cancer Center, Tokyo 104-0045, Japan.)

  • Tokuaki Shobayashi

    (Health Service Division, Health Service Bureau, Ministry of Health, Labour and Welfare, Government of Japan, Tokyo 100-8916, Japan)

  • Teiji Takei

    (Health Service Division, Health Service Bureau, Ministry of Health, Labour and Welfare, Government of Japan, Tokyo 100-8916, Japan)

  • Fumihiko Wakao

    (Center for Cancer Control and Information Services, National Cancer Center, Tokyo 104-0045, Japan)

Abstract

It is too early to provide a clear answer on the impact of exposure to the second-hand aerosol of heated tobacco products (HTPs) in the planning of policy for smoke-free indoors legislation. Here, we conducted a preliminary study to evaluate indoor air quality with the use of HTPs. We first measured the concentration of nicotine and particulate matter (PM 2.5 ) in the air following 50 puffs in the use of HTPs or cigarettes in a small shower cubicle. We then measured these concentrations in comparison with the use equivalent of smoking 5.4 cigarettes per hour in a 25 m 3 room, as a typical indoor environment test condition. In the shower cubicle test, nicotine concentrations in indoor air using three types of HTP, namely IQOS, glo, and ploomTECH, were 25.9–257 μg/m 3 . These values all exceed the upper bound of the range of tolerable concentration without health concerns, namely 3 µg/m 3 . In particular, the indoor PM 2.5 concentration of about 300 to 500 μg/m 3 using IQOS or glo in the shower cubicle is hazardous. In the 25 m 3 room test, in contrast, nicotine concentrations in indoor air with the three types of HTP did not exceed 3 μg/m 3 . PM 2.5 concentrations were below the standard value of 15 μg/m 3 per year for IQOS and ploomTECH, but were slightly high for glo, with some measurements exceeding 100 μg/m 3 . These results do not negate the inclusion of HTPs within a regulatory framework for indoor tolerable use from exposure to HTP aerosol, unlike cigarette smoke.

Suggested Citation

  • Tomoyasu Hirano & Tokuaki Shobayashi & Teiji Takei & Fumihiko Wakao, 2020. "Exposure Assessment of Environmental Tobacco Aerosol from Heated Tobacco Products: Nicotine and PM Exposures under Two Limited Conditions," IJERPH, MDPI, vol. 17(22), pages 1-11, November.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:22:p:8536-:d:446695
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    References listed on IDEAS

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    1. Aleksandra Ratajczak & Piotr Jankowski & Piotr Strus & Wojciech Feleszko, 2020. "Heat Not Burn Tobacco Product—A New Global Trend: Impact of Heat-Not-Burn Tobacco Products on Public Health, a Systematic Review," IJERPH, MDPI, vol. 17(2), pages 1-12, January.
    2. Edward Sutanto & Connor Miller & Danielle M. Smith & Richard J. O’Connor & Anne C. K. Quah & K. Michael Cummings & Steve Xu & Geoffrey T. Fong & Andrew Hyland & Janine Ouimet & Itsuro Yoshimi & Yumiko, 2019. "Prevalence, Use Behaviors, and Preferences among Users of Heated Tobacco Products: Findings from the 2018 ITC Japan Survey," IJERPH, MDPI, vol. 16(23), pages 1-18, November.
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    Cited by:

    1. Tomoyasu Hirano & Teiji Takei, 2020. "Estimating the Carcinogenic Potency of Second-Hand Smoke and Aerosol from Cigarettes and Heated Tobacco Products," IJERPH, MDPI, vol. 17(22), pages 1-6, November.
    2. Le Zhang & Qinyi Gu & Chen Li & Yi Huang, 2022. "Characteristics and Spatial–Temporal Differences of Urban “Production, Living and Ecological” Environmental Quality in China," IJERPH, MDPI, vol. 19(22), pages 1-22, November.

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