Finding F-0499

“The CO2 15-min averages of coffee shop A, C, and D showed 5%, 21.1%, and 36.1% exceeded 1000 ppm (Taiwan IAQ standard of 8-h average CO2).”

Lin Ranking the environmental factors of indoor air quality of metropolitan independent coffee shops by Random Forests model (2022). Scientific reports. Page 3. CKB 8749

Structure

Factor: Carbon dioxide (CO₂)
Population: coffee shop customers and staff
Setting: coffee shop, TW
Study design: monitoring of multi-sized particulate matter, particle-bound PAHs, TVOC, CO, CO2, temperature and relative humidity in four independent coffee shops in metropolitan Taiwan over three consecutive business days each (weekdays and weekend), with observed occupancy and activities, environmental factors ranked by Random Forests models (class 4)
Effect: share-above 5
Averaging time: 15-minute averages over three business days

A Finding records what one published document states, verbatim and with its page. It is not a conclusion of Coridum; see the Claims that build on it.