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. 2022 Mar 1;5(3):e224744.
doi: 10.1001/jamanetworkopen.2022.4744.

Fine Particulate Matter Exposure From Secondhand Cannabis Bong Smoking

Patton Khuu Nguyen  1 , S Katharine Hammond  1
Affiliations

Fine Particulate Matter Exposure From Secondhand Cannabis Bong Smoking

Patton Khuu Nguyen et al. JAMA Netw Open. .

Abstract

This cohort study quantifies the levels of secondhand cannabis smoke from social bong smoking in a home environment.

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Conflict of interest statement

Conflict of Interest Disclosures: None reported.

Figures

Figure.
Figure.. Continuous Fine Particulate Matter (PM2.5) Concentrations During 8 Household Smoking (HS) Sessions When Doors Were Closed
Each HS session is delineated by a colored line. The dashed blue line represents the mean concentration. Active smoking lasted 90 to 170 minutes. The dashed red line denotes the US Environmental Protection Agency (EPA) national ambient air quality standard for 98th percentile 24-hour PM2.5 exposure (35 μg/m3).
See this image and copyright information in PMC

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