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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: 08/01/20 10 <br />TABLE 3: WATER TREATEMENT DISCHARGE • EXTENDED SUITE PARAMETERS ($&A CODES 5 & 6) <br />Discharge Water <br />Qualt Parameter <br /> <br /> <br />Total Dissolved Solids DS <br />Unit <br /> <br /> <br />m L <br />LLD <br /> <br /> <br />10 Sample <br />Volume <br />0.1111,1110 N <br /> <br />500ml- <br />Preservative <br />NE1101M <br /> <br />Cool to 4•C Field <br />Filtered <br /> <br />I4 <br />Yes <br />Total Suspended Solids SS m L 4 1 Liter Cool to 4•C No <br />Chemical Oxygen Demand (COD) mg/L 5 250m1 H2SOA & Cool to 4•C No <br />Oil and Grease visual Visual No No <br />H S.U. Field measured No No <br />Cyanide weak acid dissociable m IL 0.005 500mL NaOH & Cool to 4•C No <br />Chloride m /L 3.0 500mL Cool to 4•C No <br />Fluoride m /L 0.1 250mL Cool to 4°C Yes <br />Sulfate m /L 5.0 500mL Cool to 40C No <br />Sulfide <br />INN M-0m, m /L 5.0 5Apr?iL ;NaOH &'Zihc Acetate No <br />Antimony mg/L 0.001 HNO, No <br />Arsenic mg/L 0.10 HNO3 No <br />Boron mg/L 0.1 HNO, No <br />Chromium+3 mg/L 0.05 HNO3 No <br />Mercury mg/L 0.0001 250mL HNO, No <br />Iron mg/L 0.03 HN03 No <br />Thallium mg/L 0.001 HN03 No <br />Uranium mg/L 0.0002 HNO3 No <br />Chromium+6 m 0.01 250mL C Yes <br />Iron mg/L 0.03 = Yes <br />Manganese <br />Arseni mg/L <br />mg/L 0.01 <br />0.10 100m1 HN03 Yes <br />No <br />Cadmium HN03 No <br />Copper mg/l. 0.005 HN03 No <br />Nickle mg/L HN03 No <br />Selenium mg/L 250mL HNO3 No <br />Silver mg/l. 0.001 HN03 No <br />Uranium mg/L 0.0002 HN03 No <br />Zinc mg/L 0.005 HN03 No <br /> <br />Radium 226 <br />pCVL <br />0.2 1 <br />HNO3 <br />No <br />Radium 226+228 <br /> <br /> <br />Radium 226 <br /> <br />Pime hales Lethal' • <br />pCi/L <br /> <br />pCVL <br /> <br /> <br />.2 2 Liter <br /> <br />I <br />2 Liter <br />? <br />3 com osites/test <br />HN03 <br />' M <br />HN03 <br /> <br />N/A <br />No <br /> <br />Yes <br />Cenoda hnia Lethality- 3 composites/test N/A <br />Pime hales Toxicity* • 3 composites/test N/A <br />Cerloda hnia Toxicity* 3 composites st e N/A <br />54 Code 6 only (quarterly only)