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DuaGround Water lity Parameter <br />I Unit <br />I Rt. <br />1 Volume <br />I Preservative <br />1 Filtered <br />General Prcpa►Nes <br />Total Dissolved Solids (IDS) <br />mg/L <br />10 <br />500mL <br />Cool to 4'C <br />Yes <br />Total Suspended Solids (TSS)' <br />mglL <br />4.0 <br />1 titer <br />Cod to 4°C <br />No <br />Temperature Oak' measured) <br />•C <br />Field measured <br />No <br />No <br />Conductivity (field measured) <br />uS <br />Field measured <br />No <br />No <br />pH (field measured) <br />s.u. <br />Field measured <br />No <br />_ No <br />Alefor Ions <br />Alkalinity (total as CaCO3) <br />mg/L <br />1.0 <br />500mL <br />Cool to 4'C <br />No _ <br />Bicarbonate (as HCO3) <br />mgIL <br />1.0 <br />500mL <br />Cool to 4•C <br />No <br />Calcium <br />mglL <br />0.10 <br />250mL <br />HNO3 <br />Yes <br />Chloride <br />mg/I. <br />3.0 <br />500m1 <br />Cool to 4•C <br />No <br />Fluoride' <br />mglL <br />0.1 <br />500mL <br />Cod to 4•C <br />No <br />Magnesium <br />mg/L <br />0.10 <br />250m1 <br />HNO3 <br />Yes <br />Potassium <br />mg/L <br />0.10 <br />250mL <br />HNO3 <br />Yes <br />So <br />mgIL <br />0.10 <br />250mL <br />HNO3 <br />Yes <br />Sulfate <br />_ mg/L <br />5.0 <br />500mL <br />Cool to 4 °C <br />No <br />Nutrients <br />Nitrate+Nitrite <br />mg/! <br />0.1 <br />250mL <br />H2804 & Cool to 4'C <br />Na <br />Phosphorus <br />mg/L <br />0.01 <br />250mL <br />I H3SO4 & Cool to 4°C <br />No <br />Metals Total <br />Aluminum <br />mg/L <br />0.20 <br />250mL <br />HNO3 <br />No <br />Antimony <br />mg/L <br />0.001 <br />HNO3 <br />No <br />Arsenic <br />mg/L <br />0.001 <br />HNO <br />No <br />Boron' <br />mg/L <br />0.1 <br />HNO <br />No <br />Capper <br />mgIL <br />0.001 <br />11140 <br />No <br />Chromium' <br />mg/L <br />0.001 <br />HNO3 <br />No <br />Iron <br />mg/L <br />0.03 <br />HNO3 <br />No <br />Lead <br />mg/L <br />0.005 <br />HNO3 <br />No <br />Manganese <br />mg/L <br />0.005 <br />HNO3 <br />No <br />Mercury <br />mg/L <br />0.0001 <br />HNO3 <br />No <br />SclIver <br />mg/L <br />0.00005 <br />HNO3 <br />No <br />Thallium <br />mg/L <br />0.0002 <br />HNO3 <br />No <br />Zinc <br />mglL <br />0.005 <br />HNO <br />No <br />Metals Dissolved <br />Aluminum <br />mg/L <br />0.20 ' <br />250mL <br />HNO3 <br />Yes <br />Antimony <br />mglL <br />0.001 <br />HNO3 <br />Yes <br />Arsenic' <br />mgIL <br />0.001 <br />HNO3 <br />Yes <br />Copper <br />mgIL <br />0.001 <br />HNO3 <br />Yes <br />Iron <br />mglL <br />0.03 <br />HNO <br />Yes <br />Manganese <br />mg/L <br />0.005 <br />HNO3 <br />Yes <br />Molybdenum <br />mg/L <br />0.005 <br />HNO3 <br />Yes <br />Mercury' <br />mglL <br />0.0001 <br />HNO3 <br />Yes <br />Sf ' <br />mgIL <br />0.00005 <br />HNO3 <br />Yes <br />Thallium <br />mg/L <br />0.0002 <br />HNO <br />Yes <br />Uranium <br />mg/L <br />0.0002 <br />HNO3 <br />Yes <br />27nc <br />mg/L <br />0.005 <br />HNO3 <br />Yes <br />Radionuclides Total <br />Gross Alpha <br />pCi/L <br />2 Liter <br />11NO3 <br />No <br />Gross Beta <br />pCilt. <br />HNO3 <br />No <br />Radionuclides Dissolved <br />Radius 226 <br />1 pCi/L 1 0.2 1 2 Liter 1 HNO 1 Yes <br />Cotter Corporation <br />Schwartzwalder Mine <br />Golden, Colorado <br />PROCEDURE <br />WATER MONITORING <br />Number 3-4 <br />Page: 6 of 11 <br />Revision: 12 <br />Date: 4/9/2011 <br />TABLE 2: GROUNDWATER SAMPLING - ANALYTICAL PARAMETERS <br />Mine Refs Water Only <br />Page 20 of 20 <br />