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Cotter Corporation PROCEDURE Number: 3-4 <br />Schwartzwalder Mine Page: 10 of 11 <br />Golden, Colorado WATER MONITORING Revision: 8 <br />Date: 08/01/2010 <br />TABLE 3: WATER TREATMENT DISCHARGE - EXTENDED SUITE PARAMETERS (S&A CODES 5 & a) --l Drscharge Water Saner Field <br />CksarAy Parameter Unit LLD Volume Preservative Filtered <br /> General Pro . <br />Tate! Dissolved Solids (IDS) 10 500mL Cod to 4°C Yes <br />Total Suspended Solids SS 4 1 Lfier Cool to 4°C No <br />Chemical Oxygen Demand (COD) mg/L 5 250mL HZSO,r & Cod to 4°C No <br />01 and Grease (visual) I Visual No No <br />pH s.u. Field measured No No <br />Major Tons <br />Cyanide Ojeak acid dissoczable 0.005 500mL NaOH & Cod to 4°C No <br />Chloride mg/L 30 500mL Cod to 4°C No <br />Fluoride mg/L 0.1 250mL Cod to 4°C Yes <br />Sulfate MgA- 5.0 500mL Cod to 4°C No <br />Sulfide m 5.0 500mL Cool to 4°C No <br />A/eta/s Total <br />Antimony mg/L 0.001 HNO3 No <br />Arsenic mg/L 0.10 HN03 _ <br />No <br />Boron mg/L 0.1 HNO3 No <br />Chromium+3 mg/ 0.05 HNO' No <br />Mercury mg/L 0.0001 250mL HNO3 No <br />Iron mg/L 0.03 HNO3 No <br />Thallium mg/L 0.001 HN% No <br />Uranium mg/L 0.0002 HNO3 No <br /> Metals Dissolved <br />Chromium+fi mg/L 0.01 250mL Cod to 4°C Yes <br />Iron mglL 0.03 HN% Yes <br />Manganese mg/L- 0.01 100mL HN03 Yes <br />Metals Potenti Dissolved' <br />Arsenic mglL 0.10 HN03 No <br />Cadmium HN03 No <br />Copper mg/L 0.005 HNO3 No <br />Nidde mgn- HN% No <br />Selenium mg/L 250mL HNO3 No <br />Sliver mg/1- 0.001 HN03 No <br />Uranium mg/L 0.0002 HNO3 No <br />Zinc mg/. 0.005 HN% No <br />Radiorwclide s Total <br />Radium 226 pCi/L 0.2 HNO3 No <br />Radium 226+228 <br />pCI1L 2 Liter <br />HNO3 <br />No <br />RadionuNides Dissohred <br />Radium 226 pCi/L 02 2 Liter HN03 yes <br />KI T <br />PimephalesLeffmW 3 compostesAest N/A <br />Ceriod is Left~ 3 corn N/A <br />-Pimephales To )W . 3 composdesAest NIA <br />Ceriod nia To)dW <br />•na w 3 corn kesAest N/A <br />Qov+ Uwc 6 vruy lquaneny only)