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CashMineWaterM <br />Table 1 -Water Quality <br />AdrianBrown <br />Parameter 131 Upgradient <br />Wells 1'1 Cash Mine <br />Pool t21 Cash Gulch <br />Surface Water141 <br />Number of Samples 22 1 2 <br />pN 6.8 6.9 6.3 <br />Conductivity, umhos 670 1462 <br />Solids, Dissolved (TDS), mg/I 635 982 1210 <br />Sulfate (SO4), mg/I 347 624 795 <br />Arsenic, mg/I 0.009 0.023 0.000 <br />Cadmium, mgll 0.003 0.063 0.015 <br />Copper, mg/I 0.028 0.080 0.013 <br />Iron, mg/I 10.616 1.730 0.000 <br />Lead, mg/I 0.137 0.029 0.000 <br />Manganese, mg/I 0.064 <0.02 0.101 <br />Silver, mg/1 <0.015 <0.00001 0.000 <br />Zinc, mg/I 0.179 8.170 7.580 <br />(1) Metal analyses include both total (unfiltered) and dissolved (filtered) results <br />(2) Metal analyses are dissolved (water filtered and acidified in the laboratory) <br />(3) Metals not reported are generally below detection <br />(4) Average of tvro samples taken 3 /3 012 0 0 6 and 6/26/2006 <br />Table 2 -Water Sampling and Analysis Methods <br />ANALYSIS METHOD QUANTITY/ PRESERVATION HOLDING <br /> CONTAINER TIME <br />Inorganics <br />Metals' EPA 200.7 1-liter polyethylene HN03 to pH<2, Cool to 6 months <br /> bottle 4°C <br />Lead EPA 239 <br />2 1-liter polyethylene HN03 to pH<2, Cool to 6 months <br /> . bottle 4°C <br />TDS EPA 160.3 1-liter polyethylene Cool to 4°C 28 days <br /> bottle <br />TSS EPA 340.2 1-liter polyethylene Cool to 4°C 28 days <br /> bottle <br />Sulfate EPA 375.1 1-liter polyethylene Cool to 4°C 28 days <br /> bottle <br />Nitrate EPA 352.1 1-liter polyethylene Cool to 4°C 48 hours <br /> bottle <br />Field tests <br />pH SW-846 <br /> 9040 <br />Temperature Thermometer <br />Specific Cond. SW-S46 <br /> 9050 <br />'AI, Sb, As, Ba, Be, Cd, Ca, Cr, Cu. Fe, Mn, Mg, Hg, Ni, Se, Ag, Na, Sn, U, Zn <br />1601A-20061106 8 <br />