Discover and read the best of Twitter Threads about #LetsEndThisThing
Most recents (2)
Droplets Drop
#COVIDisAirborne
Schools "should stop enhanced cleaning,
disinfecting, “deep clean” days, and any other expensive and disruptive cleaning. "
centerforhealthsecurity.org/our-work/publi…
#LetsEndThisThing
#COVIDisAirborne
Schools "should stop enhanced cleaning,
disinfecting, “deep clean” days, and any other expensive and disruptive cleaning. "
centerforhealthsecurity.org/our-work/publi…
#LetsEndThisThing
More: "US government should convene a federal task force dedicated to school air quality to develop guidance for long-term, sustainable, cost-effective, improvements to indoor air quality in schools."
"they should develop guidance for improving, monitoring, and maintaining good indoor air quality....importantly, should provide recommendations for oversight and accountability."
Using CO2 as a ventilation clue!
Welcome to a long thread about seven complications related to using CO2 for indoor ventilation measurements...
It be fun... really!
1/
Welcome to a long thread about seven complications related to using CO2 for indoor ventilation measurements...
It be fun... really!
1/
COMPLICATION #1. CO2 does NOT equal IAQ (Indoor air quality). CO2 is a good surrogate for human emissions. But in indoor spaces we have emissions from building materials, furniture, cleaning agents, and cooking. 2/
COMPLICATION #1 (Cont). In addition to the 1,000’s of chemical from those sources we also have indoor chemistry happening in the air. So CO2 is a good measure of required ventilation only in places with lots of people (classrooms, gyms) where human emissions dominate. 3/
