|
Filtration
|
Living room
|
Bedroom
|
|---|
|
Sham
|
Active
|
Sham
|
Active
|
|---|
|
Particle number count (#/cm3)
|
7669 (3435–45866)
|
5352 (1241–56654)
|
ND
|
ND
|
|
PM2.5 total massa (μg/m3)
|
8.0 (3.4–20.7)
|
4.3 (0.2–12.2)
|
7.6 (1.4–19.1)
|
3.7 (0–14)
|
|
PM2.5 black carbon (BC) (ng/m3)
|
ND
|
ND
|
480 (199–1328)
|
219 (19.6–545)
|
|
PM2.5 UV absorbing PM (UVPM) (ng/m3)
|
ND
|
ND
|
361 (191–792)
|
201 (43.5–454)
|
|
PAHb (ng/m3)
|
0.48 (0.06–2.4)
|
0.25 (0.02–2)
| | |
- Values are median (5th, 95th percentile). ND: not determined.
-
aPM 2.5 total mass data have recently been reported elsewhere [19].
-
bSum of 13 different polycyclic aromatic hydrocarbons (PAH): phenanthrene, anthracene, fluoranthene, pyrene, benzo(a)anthracene, chrysene, benzo(b)fluoranthene, benzo(k)fluoranthene, benzo(a)pyrene, perylene, indeno(1,2,3-c,d)pyrene, dibenzo(a,h)anthracene, benzo(g,h,i)perylene.
