| Value | Category |
|---|---|
| 1 | 2-Chamber industrial (800-1000+ºC) |
| 2 | 1 Chamber drum/brick |
| 3 | Flat ground-no protection |
| 4 | Pit or protected ground |
| 5 | Flat ground - no protection |
| 6 | Covered pit or pit latrine |
| 7 | Open pit - no protection |
| 8 | Protected ground or pit |
| 9 | Stored in covered container |
| 10 | Stored in other protected |
| 11 | Stored unprotected |
| 95 | Never have sharps waste |
| 96 | Other |
| 99 | Missing |