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Ouray Silver Mines Inc. Tables <br /> Technical Revision 09 <br /> Table 2. Metallurgical Sample Water Quality <br /> Concentration <br /> Analyte Units 235688 WW 235689 WW 236163 WW <br /> Aluminum,total mg/L ND 2.21 0.09 <br /> Antimony,total mg/L ND ND 0.41 <br /> Arsenic,total mg/L ND ND ND <br /> Barium,total mg/L 0.1 0.076 0.118 <br /> Beryllium,total mg/L ND ND ND <br /> Bicarbonate as CaCO3 mg/L 50.2 ND ND <br /> Boron,total mg/L 0.08 0.12 0.12 <br /> Cadmium,total mg/L ND ND 0.03 <br /> Calcium,total mg/L 54 121 276 <br /> Carbon,total organic(TOC) mg/L 6.5 27.9 14.2 <br /> Carbonate as CaCO3 mg/L ND 32.8 ND <br /> Chromium,total mg/L ND ND ND <br /> Conductivity @25C umhos/cm 540 787 1490 <br /> Copper,total mg/L ND 0.55 0.05 <br /> Hydroxide as CaCO3 mg/L ND ND ND <br /> Iron,total mg/L ND 1.16 0.09 <br /> Lead,total mg/L 0.2 0.28 1.83 <br /> Magnesium,total mg/L 11 1.1 20.5 <br /> Manganese,total mg/L 0.04 0.05 18 <br /> Mercury,total mg/L ND ND ND <br /> Molybdenum,total mg/L 0.2 0.84 ND <br /> Nickel,total mg/L ND ND 0.04 <br /> pH s.u. 8 10.2 5.9 <br /> pH measured at C 23.3 23.3 23.4 <br /> Phosphorus, ortho dissolved mg/L ND ND ND <br /> Potassium,total mg/L 8 25.2 10.3 <br /> Selenium,total mg/L ND ND ND <br /> Silica,total mg/L 12 7.3 6.1 <br /> Silver,total mg/L ND ND ND <br /> Sodium,total mg/L 31 47.6 36 <br /> Sulfate mg/L 64.4 195 673 <br /> Sulfite mg/L 2 5 2 <br /> Thallium,total mg/L ND ND ND <br /> Total Alkalinity mg/L 50.2 33.2 ND <br /> Vanadium,total mg/L ND ND ND <br /> Zinc,total mg/L ND 0.2 1.65 <br /> Notes: <br /> ND= Not Detected <br />