APFIVE Particulate Matter Filtration Calculation
A building’s air filtration system reduces indoor particulate matter levels by 80% compared to the outdoor concentration. If the outdoor level is $$0.1\,mg/m³$$, what is the indoor particulate concentration?
Indoor Air Quality Data:
| Location | Particulate Concentration (mg/m³) |
|---|---|
| Outdoor | 0.1 |
| After Filtration | 0.02 |
A
0.02 mg/m³
B
0.08 mg/m³
C
0.05 mg/m³
D
0.10 mg/m³
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