Finding F-1070

“The multi-use masks showed relatively lower TVOC concentrations (267 ± 51.4 μg m–3 (sample C), 336 ± 172 μg m–3 (sample D), and 764 ± 498 μg m–3 (sample E)) compared to the disposable masks (samples A and B).”

Ryu Measuring the quantity of harmful volatile organic compounds inhaled through masks… (2023). Ecotoxicology and environmental safety. Page 6. CKB 5530

Structure

Factor: Total volatile organic compounds (TVOC)
Setting: test chamber, KR (immediately after the packaging was opened)
Study design: chamber study of the volatile organic compounds released by face masks in Korea: total and individual compounds measured immediately after the packaging was opened, after 30 minutes, after 6 hours and at a raised temperature, for disposable and multi-use masks, with the inhaled mass estimated from the mass flow rate (class 4)
Effect: mean 336
Caveat: a chamber measurement of the product, not a room concentration

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.