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

International Journal of Environmental Research and Public Health
Tomoyasu HiranoFumihiko Wakao

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 (PM2.5) 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 m3 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/m3. These values all exceed the upper bound of the range of tolerable concentration without health concerns, namely 3 µg/m3. In particular, the indoor PM2.5 concentration of about 300 to 500 μg/m3 using IQOS or glo in the shower cubicle is hazardous. In the 25 m3 room test, in contrast, nicotine concentrations in indoor air with the three types of HTP did not exceed 3 μg/m3. PM2.5 concentrations were below the standard value of 15 μg/m3 per year for IQOS and ploomTECH, but...Continue Reading

References

Jun 18, 2016·Regulatory Toxicology and Pharmacology : RTP·Maya I MitovaAnthony R Tricker
Dec 31, 2017·Journal of Exposure Science & Environmental Epidemiology·Rui ChenAna M Rule
Jun 5, 2018·Chemical Research in Toxicology·Shigehisa UchiyamaNaoki Kunugita
Sep 6, 2018·Tobacco Control·Erikas SimonaviciusLeonie S Brose
Oct 28, 2019·Frontiers in Public Health·Nadja MallockAndreas Luch
Nov 27, 2019·International Journal of Environmental Research and Public Health·Edward SutantoMaciej L Goniewicz
Jan 16, 2020·International Journal of Environmental Research and Public Health·Aleksandra RatajczakWojciech Feleszko

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Citations

Nov 14, 2020·International Journal of Environmental Research and Public Health·Tomoyasu Hirano, Teiji Takei
Jul 15, 2021·Tobacco Control·Jung Ah LeeHong-Jun Cho

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Software Mentioned

ploomTECH
IQOS

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