International Organization for Standardization smoking regime and potential alternatives
| Smoking regime* | Puff volume (ml) | Puff frequency (s) | Filter blockage (%) | Flow rate (ml/s) |
|---|---|---|---|---|
| *All options include International Organization for Standardization (ISO) puff durations (2 s) and butt length (filter+8 mm). | ||||
| ISO | 35 | 60 | 0 | 17.5 |
| Option A | 55 | 30 | 50 | 27.5 |
| Option B | 60 | 30 | 50 | 30 |
| Option C | 45 | 30 | 100 | 22.5 |
| Option D | 55 | 30 | 100 | 27.5 |