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Research Roundup: Indoor Environmental Quality 1 (AIHce EXP 2022 OnDemand)
Course Description:
Recorded at AIHce EXP 2022

Presentations

A Comparison of Wet Wipe and Tape Lift Methods for Sampling Surfaces Impacted by Wildfire Smoke

Wildfires are expected to impact the built environment on a more frequent basis in the near future due to the continued expansion of the woodland-urban interface as well as changing environmental factors. Therefore, methods for evaluating the impact of wildfire smoke on indoor spaces is an important topic in the indoor environmental industry, now and in the future. Wildfire smoke contains a variety of airborne chemicals and particulates, which can infiltrate into properties affected by the smoke plume. Wildfire smoke not only affects structures, contents, and building systems, but semivolatiles from surface residues may contribute to occupant exposures. Unless the wildfire residues are mitigated and the affected properties are restored, property damage can continue post incident, and occupants may report symptoms consistent with exposure to sensory and respiratory irritants. This study had three objectives: 1) compare wet wipe and tape lift sampling methods for the collection of wildfire smoke residues, 2) compare the use of perimeter and interior sampling locations for assessing the impact of wildfire smoke residues, and 3) evaluate the potential influence these two factors could have on the scope of the restoration work plan.

Concentrations of Combustion By-Products in Settled Dusts From California Wildfires
Wildfires in the Western U.S. have increased significantly during the last two decades, likely due to global warming and the resulting drought conditions. Wildfires generate combustion by-products (CBP) (e.g., poisonous gases, particles such as soot, char and ash). These particles themselves are health concerns. In addition, their abilities to adsorb other toxic chemicals, such as VOCs, SVOCs and heavy metals, can cause health problems including respiratory illness, cardiovascular distress, and even increased Covid-19 cases. Therefore, it's essential to know the indoor concentrations of CBP in structures nearby wildfires. To our knowledge there is currently no published CBP concentration data available.

Presentation Date:
05/24/2022

Presenters:
Charles Jenkins, CIH
Franco Seif
Tianbao Bai, Ph.D., CIH

Session recordings are available for 90 days from purchase.


Stock #: AOD22_G1
ISBN #: 
Author/Editor: 

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