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<br />Cotter Corporation PROCEDURE Number: 3-0 <br />Schwartzwalder Mine Page: 10 of I I <br />Golden, Colorado WATER MONITORING Revision: 8 <br />Date: 09/10/2010 <br />TABLE 3: WATER TREATEMENT DISCHARGE - EXTENDED SUITE PARAMETERS (S&A CODES 5 & 6) <br />Discharge Water <br />Quality Parameter <br />Unit <br />RL Sample- <br />Volume <br />Preservative Field <br />Filtered <br />Total Dissolved Solids (M) n'Wt 10 500mL Cool to 4°C Yes <br />Total Suspended Solids SS 4 1 Liter Cool to 4°C No <br />Chemical Oxygen Demand (COD) mg& 6 250mL H2504 & Cool to 4'C No <br />Oil and Grease visual Visual No No <br /> <br />Hide weak acid disso blo s.u. Field measured <br />600mL No <br />N90H & Cool to 4°C No <br />No <br />Chloride 3.0 500mL Cod to 4°C No <br />Fluoride m 0.1 250mL Cool to 4'C Yes <br />Sulfate in 5.0 500mL Cool to 4°C No <br />Suffld <br />MOIL 6.0 600mL NaOH & Zinc Acetate No <br />t mg/L 0.001 HNO, No <br /> mg/L <br />f HNO, No <br />Boron mg/L 0.1 HNO, No <br />Chromium+3 mgt ` w HN03 No <br />Mercury mg11. 0.0001 250mL HN03 No <br />iron mg/L. 0.03 HN03 No <br />Thelfwm mglL 'tA HNO, No <br />Uranium mg/l. 0.0002 HNO, No <br />Chromium+6 mq/L 0.01 250mL Cool to 4'C Yes <br />Iron mg/L 0.03 HN03 Yes <br /> <br />Manganese <br />mg1L 100m1 <br />HNO3 <br />Yes <br />Arsenic mglL HN09 No <br />Cadmium HN03 No <br />copper mgt HN03 No <br />Nickle mg/L HNO, No <br /> <br />Selenium <br />mg /L 250mL HNO, No <br />Silver mgt r: <br />w HN% No <br />Uranium mg/L 0.0002 HNO, No <br />Zinc mg/L 0.005 HN03 No <br />Radium 226 PCVL 0.2 HNO, No <br /> <br />Radium 226+228 <br />PCVL 2 Liter HN03 No <br />Radium 226 PCi/L 0.2 tWe HN% Yes <br />Pi ales Lethal" <br />Ceriodaphnia Letha t <br />3 oom est <br />3 com est NIA <br />N/A <br /> <br />ggges Tox' " <br />Pim <br />Ceriodaohnia Toxk:ity' <br />3 com <br />3 com est <br />N/A <br />N/A <br />'S&A Code 6 only (quarterly only) <br />Page 21 of 22