| No. | Waste Code | Description |
|---|---|---|
| 71 | SW427 | Mineral sludge incl CaOH sludge phospate sludge and etc |
| 72 | SW428 | Waste from wood preserve operation used inorgnic salt |
| 73 | SW429 | Chemical waste |
| 74 | SW430 | Obselete chemical |
| 75 | SW431 | Waste from manufacturing or processing or use of explosive |
| 76 | SW432 | Waste containing/ contaminated with peroxides |
| 77 | SW501 | Residue from recovery |