Smoking Tobacco

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Giannis Papadopoulos

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Nov 10, 2025, 1:39:31 PMNov 10
to CONTAM

I’m working on an indoor air quality model in CONTAM and I’d like to represent cigarette smoking as a pollutant source. What is the recommended way to:

  • Define an appropriate contaminant (e.g. ETS or PM2.5 from tobacco smoke)?

  • Set a realistic emission rate per cigarette (mg/s or mg/h)?

  • Assign time schedules to reflect intermittent smoking (e.g. a few cigarettes per hour)?

  • Account for room size, air exchange rate, and air leakage between adjacent zones so I can see how smoke spreads to neighboring rooms/apartments?

If anyone has example input files, typical emission factors, or best-practice assumptions for modeling cigarette smoke in CONTAM, I’d really appreciate it.

Dols, William Stuart (Fed)

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Nov 13, 2025, 9:46:53 AMNov 13
to Giannis Papadopoulos, CONTAM

You can refer to the following publications that involve CONTAM studies that include tobacco smoke as a source.

Milando, C.W., F. Carnes, K. Vermeer, J.I. Levy, and M.P. Fabian, Sensitivity of modeled residential fine particulate matter exposure to select building and source characteristics: A case study using public data in Boston, MA. Sci Total Environ, 2022: p. 156625.

Underhill, L.J., W.S. Dols, S.K. Lee, M.P. Fabian, and J.I. Levy, Quantifying the impact of housing interventions on indoor air quality and energy consumption using coupled simulation models. Journal of Exposure Science & Environmental Epidemiology, 2020. 30(3): p. 436-447.

 

You can refer to the Introduction to CONTAM video tutorials for guidance on scheduling sources and accounting for interzone airflows, among other topics.

https://www.nist.gov/el/energy-and-environment-division-73200/nist-multizone-modeling/contam-video-tutorials

 

- Stuart

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