CO2 values: Afternoon report Weston room Day 1: 760 ppm - full room (approx 120 people) 2 HEPas working and open doors for ventilation.
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Love your work, thanks @NBateman-bit !! Really appreciate the effort to keep everyone safe and healthy and awake 
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Report CO2 value: 776 ppm.
Location: Weston room
Time: Day 2, 9:50 am, Full room (2 HEPAs on front door open as they are working on the back)
Note: Low risk: lower than 600 ppm, Medium: 600 to 1000, High: more than 1000 ppm.
CO2 at Barton Day 2: 713 ppm, 45 people in the room, one HEPA running door open
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Lennox room was around 750ppm with roughly 30 people
Brindanbella room 1:50 pm with around 60 people, 1 HEPA going: 702 ppm
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The depressing part is that an excellent reading now is nearly double what it was 100 years ago 
Thanks for monitoring and reporting though, clean air is so important!
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CO2 report for all the rooms where the WG meetings are happening (Thursday 07, 2023 at 11:00 am):
Molonglo (50 people): 552 ppm
Barton (Land): 548 ppm
Acton (Atmosphere): 538 ppm
Griffin: (Forecasting): 632 ppm
Lennox (Cryosphere) : 512 ppm
Room 3 (ESM): 560 ppm
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