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September 15,2020 C-1981-025/North Thompson Creek Mine RDZ <br /> AVAILABILITY OF RECORDS <br /> PERMIT RECORDS HYDROLOGIC RECORDS <br /> DRMS Permit Expires August NPDES Permit CO-0048233 <br /> 2023 (Admin. <br /> Extension) <br /> Permit Application w/Revisions yes NPDES Records Through <br /> January 2020 <br /> Findings Document RN7,9/17/2018 Stormwater Management Plan NA <br /> Insurance Certificate Exp.9/1/2020 SPCC Plan NA <br /> Bond Document $10,000 MSHA Pond Inspections NA <br /> Phased Bond Release SL6(2009) <br /> Documents/Findings State Engineer's Pond Inspection NA <br /> Air Emission Permits NA,terminated <br /> 1990 Quarterly Pond Inspections 4Q 2019 <br /> County Special Use Permits 86-12 Annual Hydrology Reports 2019 <br /> UG Mining Landowner Notification NA • Ground Water Monitoring no <br /> Subsidence Monitoring Reports NA • Surface Water Monitoring No discharge <br /> Subsidence Monitoring Data NA • Spring&Seep Monitoring no <br /> Rill&Gully Survey 4/28/2019 • Mine Water Discharge <br /> Monitoring NA <br /> Vegetation Monitoring Data NA • Mine Inflow Study NA <br /> Specific Variance Approvals NA • Water Consumption Records NA <br /> Annual Reclamation Reports 2018 Well Permits NA <br /> Midterm Review Documents MT7, 12/31/2015 <br /> DRMS/OSM Inspection Through <br /> Reports/Enforcement Actions(3 November 2019 <br /> Years) BLASTING RECORDS <br /> Transfers/Succession of Operator NA Blasting Publication NA <br /> Temporary Cessation Notification NA Blasting Records(3 years) NA <br /> Reclamation Cost Estimate NA ATFE Explosives Permit NA <br /> CERTIFICATIONS Blasting Variances NA <br /> SEE NA <br /> Pond Certifications COMMENT Pre-Blast Surveys <br /> Annual Certifications for Large <br /> Impoundments NA <br /> Fill Certifications for Excess Spoil. ADDITIONAL RECORDS <br /> or Underground Development Waste NA (specify) <br /> • Quarterly Inspections NA <br /> • Compaction Testing NA <br /> • Final Certification NA <br /> Coal Processing Waste Banks NA <br /> Haul Road Certifications NA <br /> Access Road Certifications NA <br /> COMMENTS: <br /> Certified inspection reports from November 2019. Also,construction certifications are available in the records. These <br /> were stamped by Professional Engineers in the 1980s and 1990s. <br /> Number of Partial Inspection this Fiscal Year: 0 <br /> Number of Complete Inspections this Fiscal Year: 1 <br /> Page 7 of 7 <br />