2011-03-03_HYDROLOGY - M1977300 (2)

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Cotter Corporation PROCEDURE Number: 3-4 Schwartzwalder Mine Page: 2 of 11 Golden, Colorado WATER MONITORING Revision: 8 Date: 08/01 /2010 TABLE 1: STREAM WATER SAMPLING . EXTENDED SUITE ANALVTICA1 OAEIAMCTCRC Stream Water Quail Parameter Total Dissolved Solids TDS Unit /L LLD 10 Sample Volume 500mL Preservative Cool to 4°C Field Filtered - -p ... Yes , Total Suspended Solids SS m /L 4.0 1 Liter Cool to 4°C No Temperature field measured °C Field measured No No Conductivity field measured us Field measured No No pH field measured S.U. Feld measured No No Alkalinity (total as CaCO3) mg/L 1.0 500mL Cool to 4°C No Bicarbonate as HCO3) mg/L 1.0 500mL Cod to 4°C No Calcium mg/L 0.10 250mL HNO, Yes Chloride m /L 3.0 500mL Cool to 4°C No Cyanide weak acid dissociable m /L 0.005 500mL NaOH & Cool to 4°C No Fluoride /L 0.1 500mL Cod to 4°C No Magnesium mg/L 0.10 250mL HNO3 Yes Potassium mg/L 0.10 250mL HNOs Yes Sodium mg/L 0.10 250mL HNO3 Yes Sulfate iEvi? 1' ° f +1lii-' I P m /L Igo 5.0 500mL Cod to 4°C a No Nitrate+Nitrite m !L 0.1 250m- l No^ ' Phosphate mall. 0.003 H=SO. Coo No os horns 20s Aluminum mg/L 0.01 0.20 250mL to 4°C HNO, No No Antimony mg/L 0.001 HNO3 No Arsenic mg/L 0.10 HNO, No Boron mg/L 0.1 HNO3 No Chromium mg/L 0.1 HNO3 No Copper mg/L 0.005 HN03 No Iron mg/L 0.03 HN03 No Lead mg/L 0.005 250mL HNO, No Manganese mg/L 0.01 HNO3 No Mercury mg/L 0.0001 HNO, No Molybdenum mg/L 0.005 HNO3 No Silver mg/L 0.001 HNO3 No Thallium mg/L 0.001 HNO3 No Uranium mg/L 0.0002 HNO3 No Zinc .i I. mg/L 0.005 HNO3 No Aluminum mg/L 0.20 HNO3 Yes Antimony mg/L 0.001 HNO3 Yes Copper mg/L 0.005 HNO, Yes Iron mg/L 0.03 HNO3 Yes Manganese mg/L 0.01 HNO, Yes Molybdenum mg/L 0.005 250ml. HNO, Yes Silver mg/L 0.001 HNO3 Yes Thallium mg/L 0.001 HNO3 Yes Uranium mg/L 0.0002 HNOs Yes Zino . mg/L 0.005 HNO, Yes Gross Alpha pCVL HN03 No Gross Beta pCVL 1 Gallon HNO3 No Radium 226+228 pCVL 0.2 HNO3 No Radium 226 pCVL 0.2 2 Liter HNOs Yes Page 23 of 24