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Measurement of air exchange rate (AER) and fresh air flow rate (m3/h/occupant).
| Location | Volume (m3) | Number of occupants | AER (h−1) | Fresh air flow rate per occupant (m3/h/occupant) |
|---|---|---|---|---|
| Suite #620 | 93.25 | 2 | 0.429 | 20 |
| Portugal national IAQ guideline | – | – | – | Minimum required: 30 m3/h/occupant |
