Finding F-1144

“In screen golf ranges, mean ± SD concentrations were 24.6 ± 4.3 ppb for TVOC (12.0–33.0 ppb), 51.3 ± 40.2 μg/m3 for NO2 (15.6–166.3 μg/m3), and 32.4 ± 24.3 μg/m3 for PM2.5 (5.1–119.8 μg/m3).”

Environmental monitoring and smoking exposure before and after the designation of non-smoking areas in indoor sports facilities (2026). Environ Anal Health Toxicol. Page 4. CKB 1606

Structure

Source: Tobacco smoke (secondhand smoke)
Factor: Particulate matter (PM₂.₅ and PM₁₀)
Setting: screen golf range, KR
Study design: before-and-after monitoring in billiard halls and screen golf ranges in Korea: total volatile organic compounds, nitrogen dioxide and PM2.5 measured before and after the venues were designated non-smoking, against the 24-hour guidelines of the Korean Ministry of Environment (class 3)
Effect: mean 32.4

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.