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Emerging Infectious Diseases Journal
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Volume 6: No. 3, July 2009

ORIGINAL RESEARCH
Using Indoor Air Quality Monitoring in 6 Counties to Change Policy in North Carolina

Policy PM2.5 Level, μg/m3 (No. of Venues)
Buncombe (22) Gilford (31) Mecklenburg (34) New Hanover (16) Wake (33) Watauga (16)
Smoke-free 14 15 11 8 14 22
Mixed 72 70 56 41 76 99
Smoking 194 187 143 459 175 248

Figure 1. Average levels of respirable suspended particles that are less than 2.5 μm in diameter (PM2.5), by county and by secondhand smoke policy designation of the venues tested in the North Carolina Indoor Air Study, 2005-2007. The study teams assigned each venue a secondhand smoke policy based on written, verbal, or visual evidence of either 1) 100% smoke-free, 2) separate smoking and nonsmoking sections (mixed), or 3) smoking allowed in all areas.

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The findings and conclusions in this report are those of the authors and do not necessarily represent the official position of the Centers for Disease Control and Prevention.


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