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Ouray Silver Mines Inc. Tables <br /> Technical Revision 09 <br /> Table 8. Waste Rock Leachate (SPLP) Quality <br /> Pre-exisiting Waste <br /> Analyte Units Rock 6/27/2014 6/27/2014 17/19/2016 <br /> Sodium mg/L 0.9 2.5 1.8 <br /> Strontium mg/L 0.052 0.274 0.204 <br /> Sulfate mg/L 8.75 11.4 1.54 <br /> Thallium mg/L ND ND ND <br /> Tin mg/L ND ND ND <br /> Total Alkalinity mg/L 46 40 41.3 <br /> Uranium mg/L ND ND ND <br /> Vanadium mg/L ND 0.0003 0.0036 <br /> Zinc mg/L 0.01 0.004 ND <br /> Notes: <br /> ND= Not Detected <br />