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Ouray Silver Mines Inc. Tables <br /> Technical Revision 09 <br /> Table 6. Groundwater Parameter List with Standards <br /> Parameter GW standard Method MDL Unit <br /> Phosphorus, ortho dissolved report M365.1-Automated Ascorbic Acid 0.02 mg/L <br /> Potassium, dissolved report M200.7 ICP 0.2 mg/L <br /> Residue, Filterable (TDS) @180C 400 SM2540C 10 mg/L <br /> Residue, Non-Filterable (TSS) @105C report SM2540C 5 mg/L <br /> Selenium, dissolved 0.005 M200.8 ICP-MS 0.0001 mg/L <br /> Silica, dissolved report M200.7 ICP 0.2 mg/L <br /> Silver, dissolved 0.0001 M200.8 ICP-MS 0.00005 mg/L <br /> Sodium, dissolved report M200.7 ICP 0.2 mg/L <br /> Sulfate 250 C516-02/-07-Turbidimetric 5 mg/L <br /> Sum of Anions report Calculation meq/L <br /> Sum of Cations report Calculation meq/L <br /> TDS (calculated) none Calculation mg/L <br /> TDS(ratio- measured/calculated) none Calculation <br /> Thallium, dissolved report M200.8 ICP-MS 0.0001 mg/L <br /> Total Alkalinity report SM2320B-Titration 2 mg/L <br /> Uranium, dissolved report M200.8 ICP-MS 0.0001 mg/L <br /> Vanadium, dissolved 0.1 M200.7 ICP 0.005 mg/L <br /> Zinc, dissolved 0.713 M200.7 ICP 0.01 mg/L <br />