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i <br />CashMineWaterMonitoring Adl ianBrown <br />Table 1 - Water Quality <br />(3) <br />Parameter Upgradlent <br />Wells ill Cash Mine <br />pool (2) Cash Gulch <br />Surface Watert") <br />Number of Samples 22 1 2 <br />pH 6.8 6.9 6.3 <br />Conductivity, umhos 670 1462 <br />Solids, Dissolved (TDS), mg/I 635 982 1210 <br />Sulfate (504), mg/l 347 624 795 <br />Arsenic, mgA 0.009 0.023 0.000 <br />Cadmium, mg/l 0.003 0.063 0.015 <br />Copper, mg/l 0.028 0.080 0.013 <br />Iron, mgll 10.616 1.730 0.000 <br />Lead, mgll 0.137 0.029 0.000 <br />Manganese, mgA 0.064 <0.02 0.101 <br />Silver, mgll <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 aissoiveo (mterea) 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 two samples taken 3/30/2006 and 6/26/2006 <br />Table 2 - Water Sampling and Analysis Methods <br />ANALYSIS METHOD QUANTITY/ <br />CONTAINER PRESERVATION <br />T I HOLDING <br />TIME <br />Inorganics <br />Metals* EPA 200 <br />7 1-liter polyethylene HN03 to pH<2, Cool to <br />° 6 months <br /> . bottle 4 <br />C <br />Lead EPA 239 <br />2 1-liter polyethylene HN03 to pH<2, Cool to <br />0 6 months <br /> . bottle 4 <br />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 11-lite polyethylene <br />ttl Cool to 40C 48 hours <br />Field tests <br />H <br />PH SW-846 <br /> 9040 <br />Temperature Thermometer <br />Speck Cond. SW-846 <br /> 9050 <br />-AI, 5b, AS, Fla, Fie, uc, q.;a, Gr, Gu, re, mn, my, n}3. M.'?c, ny, -0.. 11, <br />1601A-20061106 8