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<br />RIDER TO MINING PERMIT <br />Permit Date: December 31, 1992 <br />Permit No: C-81-010 <br />The following additional stipulations and conditions form an integral part of <br />the foregoing permit: <br />Stipulation No. 10 <br />THE DIVISION DIRECTS THE PERMITTEE TO MONITOR POST-MINING TOPOGRAPHY OF <br />BACKFILLED AND REGRADED SURFACES OF THE DISTURBED AREA AT THE TRAPPER <br />MINE. MONITORING FOR THIS PURPOSE SHALL CONSIST OF A CONTOUR MAP <br />(CONTOUR INTERVAL NOT TO EXCEED 5 FEET) PRODUCED FROM AN ANNUAL SURVEY <br />UTILIZING FIELD OR AERIAL PHOTOGRAMMETRIC TECHNIQUES ACCEPTABLE TO THE <br />DIVISION. THE POST-MINING TOPOGRAPHIC MAPS SHALL BE SUBMITTED TO THE <br />DIVISION FOR REVIEW AND APPROVAL ON AN ANNUAL BASIS, COMMENCING IN <br />JANUARY 1984. <br />Stipulation No. 12 <br />TRAPPER MINE WILL MONITOR THE QUALITY AND THE LEVEL OF WATER FOR THE <br />AQUIFER OR WATER BEARING ZONE IN WHICH THE LUX WELL IS COMPLETED AND <br />WHICH APPEARS TO BE AN AQUIFER WHICH TRAPPER IS NOT CURRENTLY <br />MONITORING. THIS MONITORING MAY BE DONE BY MEANS OF THE LUX WELL <br />ITSELF, IF THE OWNER IS AGREEABLE, OR BY MEANS OF A SEPARATE WELL. IF <br />A SEPARATE WELL IS UTILIZED FOR THE MONITORING, IT SHALL BE COMPLETED <br />IN THE EQUIVALENT ZONE OR AQUIFER IN WHICH THE LUX WELL IS COMPLETED. <br />IT SHALL BE LOCATED AT A POINT DIRECTLY UPDIP FROM THE LUX WELL WHERE <br />THE ENTIRE ZONE OF THE LUX WELL CAN BE MONITORED AND IT SHALL BE AT A <br />POINT WHERE WATER LEVELS MAY BE RECORDED AND WATER QUALITY SAMPLES <br />REPRESENTATIVE OF THAT ZONE MAY BE RECOVERED. <br />THE SCHEDULE OF MONITORING SHALL BE QUARTERLY AND THE DATA RECORDED <br />SHALL BE INCORPORATED AND INTERPRETED IN THE ANNUAL HYDROLOGIC REPORT <br />FOR THE MINE. <br />THE PARAMETERS APPEARING ON LIST 8 (P. 4-24C OF THE PERMIT APPLICATION) <br />SHALL BE RECORDED ON AN ANNUAL BASIS, STARTING WITH THE QUARTER IN <br />WHICH THE MONITORING BEGINS. THE PARAMETERS APPEARING ON THE FOLLOWING <br />LIST SHALL BE RECORDED DURING THE SUCCEEDING THREE QUARTERS OF THE <br />MONITORING YEAR: <br />Water Level pH <br />Conductivity TDS <br />Arsenic Barium <br />Cadmium Chromium <br />Lead Selenium <br />Copper Iron <br />Manganese Fluoride <br />Nitrite Nitrate <br />Sulfate <br />-6- <br />