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;~,, <br />.:- <br />L <br />RIDER TO MINING PERMIT <br />Permit Date: December 17, 1994 <br />Permit No: C-83-058 <br />The following additional stipulations and conditions form an integral part of <br />the foregoing permit: <br />Stipulation No. 18 <br />THE PERMITTEE WILL SUBMIT TO THE DIVISION SEMI-ANNUAL MONITORING <br />REPORTS FOR BOTH THE TWIN PINES MONITORING WELL AND FOR THE CALDIROLA <br />MINE WELL. THE MONITORING REPORTS MUST INCLUDE QUARTERLY WATER LEVEL, <br />pH AND ELECTRO-CONDUCTIVITY MEASUREMENTS. <br />THE QUALITY OF THE WATER IN WELL N0. TPW-1 WILL BE MONITORED SEMI- <br />ANNUALLY FOR THE FOLLOWING PARAMETERS: <br />pH ALUMINIUM <br />CONDUCTIVITY SODIUM <br />TDS SULFATE <br />TOTAL HARDNESS ARSENIC <br />SAR BORON <br />BICARBONATE CADMIUM <br />CALCIUM COPPER <br />CARBONATE IRON <br />CHLORIDE LEAD <br />MAGNESIUM MANGANESE <br />NITRATE MERCURY <br />POTASSIUM SELENIUM <br />THIS FULL SUITE SAMPLING OF WELL N0. TPW-1 WILL BE CONDUCTED IN APRIL <br />AND OCTOBER OF EACH YEAR, AND THE REQUIRED SEMI-ANNUAL MONITORING <br />REPORTS WILL BE SUBMITTED BY JUNE 1 AND DECEMBER 1 OF EACH YEAR. <br />ACCEPTED AND AGREED: _ DIVISION OF MINERALS AND GEOLOGY <br />-~~~~ ~` G~~w~ COLORADO DEPARTMENT OF <br />~IVATURAL RESOURCES <br />~~~ ~~~~ <br />B y ~/l,~i . <br />Operator Title Division Di e for <br />AG Alpha No. NR LR TYB <br />AG File No. PNR/3928/JD <br />2220G <br />