| 2023 | 2024 | 2025 | ||
| Status of Acid Rock Drainage at Mine Sites (*) | Percentage of annual mining production in metric tons from locations where acid rock drainage is “EXPECTED TO OCCUR”. | 7% | 10% | 40% |
| Percentage of annual mining production in metric tons from mining locations where acid rock drainage is “ACTIVELY MITIGATED”. | 6% | 0% | 100% | |
|
|
2% | 0 | 0 | |
