From: Exposure to wood smoke increases arterial stiffness and decreases heart rate variability in humans
 | Unit | Average | Stdev | Max | Min | Exposure variation * |
---|---|---|---|---|---|---|
PM1 mass conc. (TEOM) | μg/m3 | 314 | 38** | 356*** | 232*** | 200-400 |
PM1 mass conc. (filter) | μg/m3 | 294 | 36 | 351 | 246 |  |
CO | ppm | 25 | 6 | 35*** | 16*** | 10-40 |
NOx | ppm | 0.41 | 0.12 | 0.65*** | 0.26*** | 0.2-0.7 |
EC/TC (elemental/total carbon) | Â | 0.72 | 0.08 | 0.84 | 0.57 | Â |
Organic fraction of total PM1 **** | % | 24 | 8.0 | 40 | 16 | Â |
Soot fraction of total PM1 ***** | % | 38 | 9.9 | 53 | 28 | Â |
PAH - PM associated (from filter) | μg/m3 | 0.78 | 0.56 | 1.94 | 0.18 |  |
PAH - semi-volatile (from PUF) | μg/m3 | 0.28 | 0.12 | 0.53 | 0.14 |  |