Finding F-1004

“Figure 3f shows that the variations of indoor CO concentrations were from 0.046 mg/m3 to 0.111 mg/m3.”

Pang et al. Experimental Investigation of Air Quality in a Subway Station with Fully Enclosed Platform Screen Doors (2020). International journal of environmental research and public health. Page 5. CKB 7866

Structure

Factor: Carbon monoxide (CO)
Setting: metro station platform, CN
Study design: experimental investigation of air quality in a subway station with fully enclosed platform screen doors: temperature, humidity, carbon dioxide, carbon monoxide and particles measured on the platform over a test period (class 4)
Effect: other 0.046
Caveat: the sentence gives a range; the two ends are recorded as two rows

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.