Finding F-0465

“Outdoor CO2 measurements taken before and after the tests gave an average value of 450 ppm.”

Miranda Ventilation conditions and their influence on thermal comfort in examination classrooms in times of COVID-19. A case study in a Spanish area with Mediterranean climate (2022). International journal of hygiene and environmental health. Page 9. CKB 8398

Structure

Factor: Carbon dioxide (CO₂)
Population: university students during examinations
Setting: outdoors at the university, ES
Study design: case study of natural ventilation through windows during on-site winter examinations in classrooms of the University of Extremadura (Badajoz, Spain) during the COVID-19 pandemic: in situ CO2, temperature and humidity measurements in a series of examination tests with different window-opening strategies (class 4)
Effect: mean 450
Averaging time: average of measurements before and after the tests

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.