ERC Permit 29 MB / PDF LTSP Annual 2024 Monitoring Report 10 MB / PDF LTSP Annual 2023 Monitoring Report 11 MB / PDF LTSP Annual 2022 Monitoring Report 17 MB / PDF LTSP Annual 2021 Monitoring Report 7 MB / PDF Long-term Stewardship Plan Final 4 MB / PDF CSM Final Report 15 MB / PDF US Ecology Sheffield Post-Closure Plan 274 KB / DOC Consent Order from the USEPA 2 MB / PDF
