Laserfiche WebLink
• <br />• <br />Table 2.05.646a PURGATOIRE RIVER WATER ANALYTICAL PARAMETERS <br />Comparison of Pre- mining vs. Post Mining Data <br />Table 2.05.6 -16b LORENCITO SURFACE WATER ANALYTICAL PARAMETERS <br />Comparison of Pre- mining vs. Post Mining Data <br />PRGTY -1 <br />PRGTY -2 <br />Pre -Mine Post -Mine <br />Mean Mean <br />Percent <br />Change <br />Pre -Mine Post -Mine <br />Mean Mean <br />Percent <br />Change <br />Parameters <br />pH (field) <br />7.84 8.31 <br />3.0% <br />7.86 8.38 <br />3.3% <br />Conductance <br />324.60 334.00 <br />1.4% <br />320.40 372.00 <br />8.1% <br />Iron (total) <br />1.11 1.63 <br />23.3% <br />0.65 1.93 <br />99.8% <br />Iron total recoverable <br />1.17 1.38 <br />8.9% <br />0.74 1.67 <br />63.7% <br />TDS @ 180C <br />164.25 231.67 <br />20.5% <br />205.50 256.00 <br />12.3% <br />Total Alkalinity <br />136.00 172.50 <br />13.4% <br />150.00 188.33 <br />12.8% <br />Manganese (total) <br />0.05 0.06 <br />5.6% <br />0.04 0.07 <br />43.8% <br />Sodium (dissolved) <br />11.68 27.93 <br />69.6% <br />15.30 37.92 <br />73.9% <br />Chloride <br />1.85 6.67 <br />130.2% <br />2.40 10.25 <br />163.5% <br />Sulfate <br />32.50 28.80 <br />-5.7% <br />40.00 36.67 <br />-4.2% <br />Calcium (dissolved) <br />43.63 43.62 <br />0.0% <br />42.70 43.31 <br />0.7% <br />Magnesium (dissloved) <br />9.35 9.18 <br />-0.9% <br />10.48 10.30 <br />-0.8% <br />Potassium dissolved <br />1.33 1.30 <br />-0.9% <br />86.3% <br />1.30 1.35 <br />1.9% <br />SAR <br />0.41 1.12 <br />0.54 1.40 <br />80.8% <br />Hardness <br />147.25 184.67 <br />12.7%11 <br />156.00 165.33 <br />3.0% <br />Table 2.05.6 -16b LORENCITO SURFACE WATER ANALYTICAL PARAMETERS <br />Comparison of Pre- mining vs. Post Mining Data <br />TR -16 <br />2.05 -107 <br />(Revised 12/27/09) <br />LCA <br />LC -2 <br />Pre -Mine Post -Mine <br />Mean Mean <br />Percent <br />Change <br />Pre -Mine Post -Mine <br />Mean Mean <br />Percent <br />Change <br />Parameters <br />pH (field) <br />8.00 8.29 <br />1.8% <br />7.92 8.49 <br />3.6% <br />Conductance <br />495.20 961.50 <br />47.1% <br />425.20 947.00 <br />61.4% <br />Iron (total) <br />0.24 0.52 <br />60.3% <br />0.27 0.98 <br />131.9% <br />Iron total recoverable <br />0.31 0.97 <br />107.0% <br />0.30 0.80 <br />85.6% <br />TDS @ 180C <br />297.50 578.33 <br />47.2% <br />280.00 390.00 <br />19.6% <br />Total Alkalinity <br />206.75 371.67 <br />39.9% <br />196.00 313.00 <br />29.8% <br />Manganese (total) <br />0.01 0.04 <br />161.2% <br />0.03 0.027 <br />-5.7% <br />Sodium (dissolved) <br />46.50 166.17 <br />128.7% <br />38.10 108.08 <br />91.8% <br />Chloride <br />5.23 79.33 <br />708.0% <br />3.83 64.20 <br />789.2% <br />Sulfate <br />61.25 46.17 <br />-12.3% <br />65.00 43.50 <br />-16.5% <br />Calcium (dissolved) <br />45.97 37.32 <br />-9.4% <br />46.60 .49.00 <br />2.6% <br />Magnesium (dissolved) <br />16.00 17.48 <br />4.6% <br />15.50 18.82 <br />10.7% <br />Potassium dissolved <br />1.80 2.17 <br />10.2% <br />1.70 3.05 <br />39.7% <br />SAR <br />1.51 5.76 <br />140.5% <br />1.25 3.55 <br />92.1 <br />Hardness <br />183.50 165.00 <br />-5.0% <br />180.25 199.671 <br />5.4% <br />TR -16 <br />2.05 -107 <br />(Revised 12/27/09) <br />