@mocoboe @mcps spent $6.2 MILLION for CO2 data for 10,000 classrooms. Where is the data?

CDC now talks about CO2 monitoring as an indicator of good ventilation. https://t.co/Ph6OcYf3Cd "One potential target benchmark for good ventilation is CO2 readings below 800 [ppm]." Caveats: non-human sources of CO2 (gas stove), filtration removes particles not CO2. HT @citlanx

— Linsey Marr (@linseymarr) June 9, 2021

Board of Education Award Co... by Parents' Coalition of Montg...