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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Environ Res. 2018 Dec 16;170:351–358. doi: 10.1016/j.envres.2018.12.027

Fig 1: Living room field site.

Fig 1:

(A) Schematic of six sets of cotton and polyester fabrics hung from a shelf on a desk where EC were used. (B) Average puff count/day for each month over 6 months. The average number of days that the user puffed was 15 days each month. (C) Total puff count for each month over 6 months. Concentrations of nicotine (D), cotinine (E), n-formylnornicotine (F), and myosmine (G) extracted from cotton and polyester fabrics hung inside the living room of an EC user. The scale for Figure D is 0–6000 ng/gram of fabric and the scale for Figure E-G is 0–200 ng/gram of fabric. Cotton – blue. Polyester – red.