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<br />Cotter corporation PROCEDURE Number: 3-4 <br />Schwartzwalder Mine Page: 6 of 11 <br />Golden, Colorado WATER MONITORING Revision: 9 <br />Date: 10/1/2010 <br /> <br />uauty Ground Water <br />Q P„rmmete - Unit t4L Sample <br />V.I. Preservative Filtered <br />c ?neral <br />Total Dissolved Solids (TDS) 10 50omL Cod to 4'C Yes <br />Total Solids SS ' <br />T re field Masao <br />Corldlr ' ' field treasured <br />field measured <br />'C <br />u5 <br />S.U. 4.0 1 Uter <br />Fuld measured <br />Fidd measured <br /> <br />Field measured Cool to 4'C <br />No <br />No <br /> <br />No No <br />No <br />No <br /> <br />No <br />lops <br />Alkslinity (dal as CUC ) <br />Bicarbonate (as HCO3) <br />Calcium <br />Chloride <br />mg/L <br />mg A_ <br />mg& 1.0 <br />1.0 <br />0.10 <br />3.0 500mL <br />50pmL <br />250mL <br />600ML Cod to 4•C <br />Cod to 4•C <br />HNO, <br />Cod to 4'C No <br />No <br />Yes <br />No <br />Fluoride' <br />Magnesium <br />potassium mg/L <br />mgr- <br />rng/L 0.1 <br />0.10 <br />0.10 600mL <br />260mL <br />250mL Cool to 4•C <br />HNO, <br />HNO3 No <br />yes <br />Yes <br />Sodium <br />Sulfate mg/L 0.10 <br />5.0 250mL <br />500ML HNO3 <br />Cool to 4'C Yes <br />No <br />NuWents <br />Nitrate+Nb to mg/L 0.1 250mL H?5Oa & Cod to 4'C No <br />Phosphorus mg/L 0.01 250ml. HzW4 & Cool to 4'C No <br />NOetals T otal <br />l <br />i mgti 0.20 HNO, No <br />num <br />um <br />A <br />n <br />A <br />ti mg/L 0.001 HNO, No <br />y <br />mo <br />n <br />i <br />A mg/1 0.0005 HNO3 No <br />rsen <br />c <br />c mg1L 0.001 HNO3 No <br />opper <br />I mg/L 0.03 HNO, No <br />ron <br />d <br />L mg/L 0.005 250mL HNO3 No <br />ea mg/_ 0.005 HNO, No <br />Manganese MOIL 0.0001 HNO3 No <br />Mercury <br />sil mg/L 0.00005 HNO, No <br />ver <br />iS <br />m <br />Th mglL 0.0002 HNO3 No <br />u <br />a <br />Zinc rrg/l 0.006 HNO3 No <br /> halals Wssotvvd <br />Al <br />i <br />m mg/L 0.20 HNO3 Yes <br />nu <br />um <br />n <br />ti <br />A MOIL 0.001 HNO3 Yes <br />y <br />mo <br />n <br />Arsenic mg/L 0.0005 HNO, Yes <br /> <br />c mg/L 0,001 HNO, Yes <br />opper <br />I mg/L 0.03 HNO3 Yes <br />ron <br />M mg/L 0.006 HNO3 Yes <br />anganese <br />bd <br />m <br />l mgti 0.005 250mL HNO, Yes <br />enum <br />o <br />y <br />Mercury' mg/L 0.0001 HNO, Yes <br />Silver mg/L 0.00006 HNO3 Yes <br />til mg/i. 0.0002 HNO3 Yes <br />Tha <br />um <br />i <br />U mg/L 0.0002 HNO3 Yes <br />um <br />ran <br />zinc mg/L 0.005 HNO3 Yes <br /> Raodonucti des Total <br />ha <br />Al <br />G pCUL HNO, No <br />p <br />ross <br />Gross Beta <br />PCB 2 U er <br /> <br />_ <br />_ HNO, No <br />Ra ~ <br />V <br />&onucAdes D4 <br />Radium 2213 pCUL 02 2 Uwr HNO, Yes <br />'Mine Rena Water curry <br />2Monitodng Wells, Domestic Well, and Sums Only <br />Page 24 of 26