Average published values of common measures of smoking
| FTC method | Human | |
|---|---|---|
| Source: US Department of Health and Human Services 1988. | ||
| Puff duration (s) | 2 | 1.8 (1–2.4) |
| Puff volume (ml) | 35 | 43 (21–66) |
| Interpuff interval (s) | 60 | 34 (18–64) |
| Number of puffs | – | 11 (8–16) |