Associate Prof of Mechanical Engineering & Environmental Engineering @CUBoulder. #Aerosols, #IndoorAirQuality, #AirPollution.
🇧🇷+🇺🇸+🌍
Thoughts all mine.
Jun 28, 2022 • 12 tweets • 2 min read
Ok folks, let me state what I think is kind of obvious: If you are running an in-person conference/meeting anytime in the future and you want to do it responsibly, you need to: 🧵 1/
- You MUST make masks and rapid tests free and easy to grab. You have to budget for this.
- Consider a vaccination/testing policy.
- Consider the ventilation of the venue. Talk to experts in this if you need to.
- Make as make meals outdoors as possible.
Jun 6, 2022 • 16 tweets • 4 min read
We have a newly published paper on #IndoorAirQuality and it is #OpenAccess! This was a fun study and here’s a short thread on some of our findings. /1 pubs.rsc.org/en/content/art…
We put a bunch of low-cost air quality monitors in four homes to measure concentrations of fine particulate matter (PM2.5) during the occupants' everyday lives. Each home deployment was about 10-weeks long.
Aug 31, 2021 • 8 tweets • 2 min read
Our paper on mask filtration is out!
And it's #OpenAccess.
Filtration Performance of Layering Masks and Face Coverings and the Reusability of Cotton Masks after Repeated Washing and Drying. aaqr.org/articles/aaqr-…
Two key results from this paper:
May 28, 2021 • 5 tweets • 2 min read
The videos and slides from @theNASEM Indoor Exposure to Fine Particulate Matter and Practical Mitigation Approaches workshop have been posted! Links in thread:
Session 1: Sources of Indoor Fine Particulate Matter (April 14 2021)
In the past week, I've spent quite some time talking to friends who insist on saying "I don't see color", or "I don't believe in racism", "I'm not racist because I have black friends", or even "all lives matter". I just couldn't, as hard as I tried, change their minds. [1/8]
It's been exasperating to see that even with all of the written material available, all the data (even some excellent cartoons!), some folks still don't want to admit this. It can be really hard to change one's view point, it seems. [2/8]
