#AAAR2022. @ChemDelphine discusses #CASAChem study (full disclosure I was involved).
- CASA was a huge collaborative research group project to investigate indoor chemistry experiments related to wild fires, ozone, and surface aging. 1/
- CASA was a huge collaborative research group project to investigate indoor chemistry experiments related to wild fires, ozone, and surface aging. 1/
- "Clean air act has really worked." With respect to sulfate.
- But wildfire smoke is still a big driver. 2/
- But wildfire smoke is still a big driver. 2/
- Simulated wood smoke infiltrating home by using a cocktail smoker and ponderosa pine.
- Gas Phase biomass burning markers never returned to backgrounds even after days of ventilation.
Surface/air partitioning controls long term partitioning. 3/
- Gas Phase biomass burning markers never returned to backgrounds even after days of ventilation.
Surface/air partitioning controls long term partitioning. 3/
- Can see a shift from deposition to a transition to equilibrium partitioning, then eventually desorption.
- The indoor dynamics and time scales depend on the chemical properties. 4/
- The indoor dynamics and time scales depend on the chemical properties. 4/
- Cleaning floors lowered the gas phase revivor of the chemicals.
- Ventilating by opening the windows temporarily lowered the house concentrations, but rebounded when the windows closed. 5/
- Ventilating by opening the windows temporarily lowered the house concentrations, but rebounded when the windows closed. 5/
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