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RIDER TO MINING PERMIT <br />Permit Date December 17 19~ <br />Permit No. C-058-83 <br />The following additional stipulations and conditions form an integral part of <br />the foregoing permit: <br />Stipulation No. 1 <br />THE PERMITTEE WILL SUBMIT TO THE DIVISION QUARTERLY MONI70RING REPORTS <br />FOR BOTH THE TWIN PINES MONITORING WELL AND FOR THE CALDIROLA MINE <br />WELL. THE MONITORING REPORTS MUST INCLUDE MONTHLY WATER LEVEL <br />MEASUREMENTS, AND MEASUREMENTS OF pH AND ELECTRO-CONDUCTIVITY. <br />THE QUALITY OF WATER IN BOTH WELLS MUST BE MONITORED QUARTERLY <br />ACCORDING TO THE FOLLOWING PARAMETERS: <br />pH POTASSIUM <br />CONDUCTIVITY (at 25oCj SODIUM <br />T.D.S. SULFATE <br />TOTAL HARDNESS ALUMINUM <br />S.A.R. ARSENIC <br />BICARBONATE BORON <br />CALCIUM CADMIUM <br />CARBONATE COPPER <br />CHLORIDE IRON <br />FLUORIDE LEAD <br />MAGNESIUM MANGANESE <br />AMMONIA MERCURY <br />NITRATE MOLYBDENUM <br />PHOSPHATE SELENIUM <br />ZINC <br />Stipulation No. 2 <br />THE PERMITTEE WILL SUBMIT TO THE DIVISION A QUARTERLY REPORT OF THE <br />INFLOWS, DISCHARGES AND CONSUMPTION OF WATER WITHIN THE TWIN PINES N0. 2 <br />MINE. THIS REPORT IS TO INCLUDE A MINE WORKINGS MAP SHOWING THE <br />LOCATION AND QUANTITY OF INFLOWS; A TABLE KEYED TO THE MINE MAP WHICH <br />SHALL CONTAIN THE SOURCES (i.e., pH, ELECTRO-CONDUCTIVITY AND <br />TEMPERATURE) OF ALL INFLOWS; A TABLE CONTAINING RECORDS OF WATER <br />DISCHARGED FROM THE MINE, CONSUMED IN THE MINE, AND IMPORTED FOR USE <br />WITHIN THE MINE; A DISCUSSION OF WATER BALANCE WITHIN THE MINE; AND <br />FINALLY, A PROJECTION OF HYDROLOGIC IMPACTS OF MINING. THIS REPORT MUST <br />INCLUDE AN ESTIMATE OF THE ELEVATIONS OF WATER IN THE CALDIROLA MINE. <br />THE REPORT WILL BE DUE QUARTERLY BEGINNING 30 DAYS AFTER THE FIRST <br />QUARTER OF MINING. <br />