Finding F-1731

“PM2.5 mean concentration in the two hookah parlors recorded post ban was 1267 μg/m3.”

Study of Secondhand Smoke Levels Pre and Post Implementation of the Comprehensive Smoking Ban in Mumbai (2010). Indian journal of community medicine : official publication of Indian Association of Preventive & Social Medicine. Page 4. CKB 6703

Structure

Source: Water pipe smoking
Factor: Particulate matter (PM₂.₅ and PM₁₀)
Setting: hookah parlour, IN
Study design: before-and-after measurement study of public venues in Mumbai: fine particulate matter measured in restaurants, bars, hookah parlours and control locations before and after the comprehensive smoking ban came into force (class 4)
Effect: mean 1267
Caveat: two venues; the article attributes the increase to smokers moving to hookah parlours, which were violating the ban

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.