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. i Rider to Mining Permit (C-81-014) July 30, 1994 Page 2 Stipulation No. 16 THE APPLICANT WILL SUBMIT TO THE DIVISION AN ANNUAL REPORT OF INFLOWS, DISCHARGES AND CONSUMPTION OF WATER WITHIN THE MINE. THIS REPORT IS TO INCLUDE A MINE WORKINGS MAP SHOWING THE LOCATION AND QUANTITY OF INFLOW; A TABLE KEYED TO THE MINE MAP WHICH SHALL CONTAIN THE SOURCE (i.e., FAULT, FRACTURES, ETC.>, QUANTITY, DURATION AND QUALITY (i.e., pH, ELECTROCONDUCTIVITY AND TEMPERATURE OF ALL INFLOWS; A TABLE CONTAINING RECORDS OF WATER DISCHARGED FROM THE MINE, CONSUMED IN THE MINE AND IMPORTED FOR USE WITHIN THE MINE; AND A DISCUSSION OF WATER BALANCE WITHIN THE MINE. THE INFLOW STUDY IS TO BE DONE DURING THE SPRING OF EACH YEAR WITH THE REPORT SUBMITTED BY AUGUST 1. Stipulation No. 24 AS A COMPONENT OF THE 1994 PERMIT RENEWAL AND BOND ESTIMATE REVIEW, THE DIVISION HAS DETERMINED THAT THE CURRENT EFCI RECLAMATION PLAN IS DEFICIENT IN THE FOLLOWING AREAS: THE MASS BALANCE FOR THE OVERBURDEN AND TOPSOIL FOR THE FINAL REFUSE PILE CONFIGURATION NEEDS TO BE CALCULATED AND IF ANY DEFICIT IS FOUND, EFCI NEEDS TO SUBMIT A PLAN TO MAKE UP THE DIFFERENCE IN OVERBURDEN AND TOPSOIL. FINAL DEPOSITION OF THE ON-SITE CONCRETE NEEDS TO BE CLARIFIED IN THE PERMIT. SHOULD EFCI WISH TO PURSUE AN ALTERATION FROM THE PRESENTLY APPROVED POST-MINING CONTOURS AND CONFIGURATION A7 THE LOADOUT THIS ISSUE NEEDS TO BE ADDRESSED IN A TECHNICAL REVISION TO BE REVIEWED AND APPROVED BY THE DIVISION. IN ORDER TO VERIFY FACILITY BACKFILL VOLUMES, THE OPERATOR WILL PROVIDE AN ACCURATE CURRENT TOPOGRAPHIC/CONTOUR MAP WITH APPLICABLE CROSS SECTIONS TO REVISE MAPS 6 AND 7. THE ABOVE ISSUES ARE TO BE RESOLVED IN A REVISION(S) TO BE SUBMITTED WITHIN 60 DAYS OF PERMIT RENEWAL. ACCEPTED AND AGREED: By era DIVISION OF MINERALS AND GEOLOGY COLORADO DEPARTMENT OF NATURAL RESOUR ,~ ~ ~ Div' ion Director AG Alpha No. NR LR TYB AG File No. PNR/3928/JD 0053G