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Procedure Area, ACH, and Contaminant Removal
| Procedural Room Area | ACH | Full Exchange(min) | Time Requiredfor Removal(min) | Time Requiredfor Removal(min) |
|---|---|---|---|---|
| 99% Efficiency | 99.9% Efficiency | |||
| Area A | 20 | 3 | 14 | 21 |
| Area B | 16 | 3.75 | 14–18 | 21–28 |
| Area C | 15 | 4 | 18 | 28 |
| Area D | 6 | 10 | 46 | 69 |
Abbreviation: ACH, air exchange rate per hour.
