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BATTLE MOUNTAIN RESOURCES, INC -SAN LUIS <br />MONTHLY AND BI-WEEKLY WATER SAMPLING - OCTOBER 30 1996, NOVEMBER 4, 7, 18, 20, 1996 <br /> DECEMBER 2, 3, 4, 5, 1996 <br />CALCULATED CYANIDE VALUES <br /> ANALYTICAL METALS AND CYANIDE VALUES (mg/L) <br />SAMPLE SAMPLE CYANIDE <br />DATE LOCATION Cu Zn Mn Ni WAD TOTAL <br />11/07 COLLECTION POND/UNDERDRAIN 0.35 0.02 NA NA 0.11 0.27 <br />11/07 TAILINGS POND 1.06 0.02 NA NA 0.23 0.27 <br />11/07 POST-DETOX 5.89 0.59 NA NA 0.10 0.17 <br />11/07 PRE-DETOX 1 0.08 NA NA 89 97 <br />11/20 COLLECTION POND/UNDERDRAIN 0.67 0.01 NA NA 0.03 0.09 <br />1180 TAILINGS POND 1.31 0.02 NA NA 2.28 2.86 <br />12/04 TAILINGS POND 2.49 0.01 NA NA 1.15 1.30 <br />12/04 COLLECTION POND/UNDERDRAIN 0.21 0.02 NA NA 0.18 0.28 <br />MPFCN=MAXIMUM POTENTIAL FREE CYANIDE <br />NA=NOT ANALYZED <br />CALCULATIONS BASED ON METHODS OUTLINED IN CYANIDE CHEMISTRY REPORT BY ASCI, MAY 1992 <br />CALCULATED CYANIDE VALUES (mg/L) <br />CN-WAD MPFCN <br />MIN MAX MIN MAX <br />0.32 0.46 0.00 0.00 <br />0.91 1.36 0.00 0.00 <br />5.81 8 31 0.00 0 00 <br />0.83 1.19 87.81 88.17 <br />0.58 0 86 0.00 0.00 <br />1.10 1.66 0.62 1 18 <br />2.07 3.13 0.00 0.00 <br />0.20 0.29 0.00 0.00 <br />