Waste by type
2023, ton
| Generated | Circular | Non-circular | |
| Slag | 63,672 | 1,302 | 62,371 |
| Metals | 16,288 | 16,278 | 10 |
| Industrial dust | 5,475 | 5,420 | 55 |
| Uncategorized | 5,039 | 3,391 | 1,648 |
| Emulsions | 4,366 | 2,820 | 1,547 |
| Mill scales | 3,571 | 3,571 | 0 |
| Spent refractory bricks | 2,244 | 1,898 | 345 |
| Mixed residual waste | 1,728 | 130 | 1,598 |
| Other | 9,525 | 2,199 | 7,326 |
| Total | 111,908 | 37,008 | 74,900 |
Waste by disposal method and legal classification
| Total | On site | Off site | |
| Circular, hazardous waste | 9,450 | 257 | 9,192 |
| Reuse | 295 | 0 | 295 |
| Recycle | 9,154 | 257 | 8,897 |
| Circular, non-hazardous waste | 27,559 | 7,591 | 19,968 |
| Reuse | 4,628 | 0 | 4,628 |
| Recycle | 22,931 | 7,591 | 15,340 |
| Non-circular, hazardous waste | 8,509 | 2,964 | 5,545 |
| Incineration, energy recovery | 596 | 0 | 596 |
| Incineration | 1,110 | 0 | 1,110 |
| Landfill | 6,333 | 2,964 | 3,369 |
| Unspecified | 470 | 0 | 470 |
| Non-circular, non-hazardous waste |
66,391 | 58,596 | 7,796 |
| Incineration, energy recovery | 1,404 | 0 | 1,404 |
| Incineration | 5 | 0 | 5 |
| Landfill | 64,440 | 58,596 | 5,845 |
| Unspecified | 543 | 0 | 543 |
| Total | 111,908 | 69,407 | 42,501 |