Discover and read the best of Twitter Threads about #casachem
Most recents (3)
#AAAR2022. @kjmayer4. (disclosure: I was involved in this study)
- Cited study showing in 2020 over 25 million Americans (8%) experienced >100 ug/m3 of PM2.5.
- #CASAChem Experiments looked at the impact of long range smoke impacts.
1/
- Cited study showing in 2020 over 25 million Americans (8%) experienced >100 ug/m3 of PM2.5.
- #CASAChem Experiments looked at the impact of long range smoke impacts.
1/
- Examined 1) fresh smoke, 2) fresh smoke plus ozone, 3) aged smoke.
- Ozone addition to fresh smoke did not change the particle composition or sized distribution significantly indoors.
2/
- Ozone addition to fresh smoke did not change the particle composition or sized distribution significantly indoors.
2/
- Aged smoke was smoke that sat in chamber for a couple hours prior to injection into the house.
- Ozone in addition to aged smoke shows change in particle chemical concentrations over time.
3/
- Ozone in addition to aged smoke shows change in particle chemical concentrations over time.
3/
#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/
Excited to attend my first AAAR conference today in Raleigh, NC.
Looking forward to meeting twitter friends I have never met in person, some great talks from the #CASAChem and ALPACA projects and learning new aerosol science.
1/2
Looking forward to meeting twitter friends I have never met in person, some great talks from the #CASAChem and ALPACA projects and learning new aerosol science.
1/2
I will be live tweeting this week with the #AAAR2022 hashtag. Follow along with AAAR Social Media Ambassadors @DaveyRachel1, @ClaraOak24, @colleenesterase& @kapur_sukriti who will also be live tweeting.
And yes, mask are mandatory. 2/2
And yes, mask are mandatory. 2/2
Addendum
