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ADZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Ouray Silver Mines ACZ Sample ID: L34107-01 <br /> Project ID: RSM150224 Date Sampled: 11110116 14:15 <br /> Sample ID: GW-2A Date Received: 11111116 <br /> Sample Matrix: Ground Water <br /> Wet Chemistry <br /> Parameter EPA-Method Dilution Result Qual XQ Units MDL PQL Date Analyst-: <br /> Alkalinity as CaCC3 SM2320B-Titration <br /> Bicarbonate as 1 24.3 mg/L 2 20 11/12/16 0:00 emk <br /> CaCC3 <br /> Carbonate as CaCC3 1 U mg/L 2 20 11/12/16 0:00 emk <br /> Hydroxide as CaCC3 1 U mg/L 2 20 11/12/16 0.00 emk <br /> Total Alkalinity 1 24.3 mg/L 2 20 11/12/16 0:00 emk <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance 0.0 % 11/23/16 0:00 calc <br /> Sum of Anions 1.6 meq/L 11/23/16 0:00 calc <br /> Sum of Cations 1.6 meq/L 11/23/16 0:00 calc <br /> Chloride SM4500CI-E 1 2.1 * mg/L 0.5 2 11/18/1611:56 bsu <br /> Conductivity @25C SM2510B 1 177 umhos/cm 1 10 11/12/16 21:37 emk <br /> Cyanide,total M3354-Colonmetncw/distillation 05 U mg/L 0.003 0.01 11/18/16 22:34 pjb <br /> Cyanide,WAD SM4500-CN 1,E- 0.5 U mg/L 0.003 0.01 11/18/16 21:18 pjb <br /> Colorimetric w/distillation <br /> Dissolved Chromium, SM3500Cr-B 1 UH mg/L 0.005 0.02 11/11/16 16:17 sck <br /> Hexavalent <br /> Fluoride SM450OF-C 1 0.28 B mg/L 0.05 0.3 11/16/1614:13 sck <br /> Hardness as CaCO3 SM2340B-Calculation 70 mg/L 0.2 5 11/23/16 0:00 talc <br /> (dissolved) <br /> Lab Filtration(0.45um SOPWC050 1 11/11/16 16:58 emk <br /> filter) <br /> Lab Filtration(0.45um) M200.7/200.8/3005A 1 11/14/16 13:45 gss <br /> &Acidification <br /> Nitrate/Nitrite as N M353 2-H2SO4 preserved 1 0.16 mg/L 0.02 0.1 11/22/16 22:58 pjb <br /> pH(lab) SM4500H+B <br /> pH 1 7.5 H units 0.1 0.1 11/12/16 0:00 emk <br /> pH measured at 1 22.6 C 0.1 0.1 11/12/16 0:00 emk <br /> Phosphorus,ortho M3651-Automated AscorbicAc4d 1 U mg/L 0.02 0.05 11/11/16 21:36 pjb <br /> dissolved <br /> Residue,Filterable SM2540C 1 88 mg/L 10 20 11/17/16 14:10 abd <br /> (TDS)@180C <br /> Residue,Non- SM2540D 1 U mg/L 5 20 11/15/16 13:40 sck <br /> Filterable(TSS) <br /> @105C <br /> Sulfate D516-02/-07-Turbidimetnc 5 49.3 * mg/L 5 25 11/18/1614:02 bsu <br /> TDS(calculated) Calculation 105 mg/L 11/23/16 0:00 calc <br /> TDS(ratio- calculation 0.84 11/23/16 0:00 calc <br /> measured/calculated) <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L34107-1611231116 Page 5 of 25 <br />