| Value | Category | Cases | |
|---|---|---|---|
| 1 | Open burning | 2 |
0.1%
|
| 2 | Buried | 1 |
0%
|
| 3 | Chemical treatment | 2 |
0.1%
|
| 4 | Mechanical treatment | 2 |
0.1%
|
| 5 | disinfections | 13 |
0.5%
|
| 6 | Insulation | 0 |
0%
|
| 7 | incineration | 0 |
0%
|
| Sysmiss | 2764 |