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Rank assignments for the PFAS reaction schemes according to half-lives for environmental transformation or metabolism
| Rank | Range of environmental transformation and metabolism half-lives |
|---|---|
| 7 | <30 min |
| 6 | >30 to <200 min |
| 5 | >200 min to <24 h |
| 4 | >24 h to <7 days |
| 3 | >7 days to <60 days |
| 2 | >60 days to <1 year |
| 1 | >1 year |
