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ACZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Star Mine Operations LLC ACZ Sample ID: L18297-02 <br /> Project ID: Date Sampled: 05115114 13:40 <br /> Sample ID: BP Date Received: 05116114 <br /> Sample Matrix: Surface Water <br /> Sodium,total M200.7 ICP 1 6.5 mg/L 0.2 1 05/22/14 11:34 aeb <br /> Thallium,dissolved M200.8 ICP-MS 1 U mg/L 0.0001 0.0005 05/28/14 15:27 msh <br /> Thallium,total M200.81CP-MS 1 0.0001 B mg/L 0.0001 0.0005 05/29/14 10:40 las <br /> Uranium,dissolved M200.81CP-MS 1 0.0001 B mg/L 0.0001 0.0005 05/28/14 15:27 msh <br /> Uranium,total M200.81CP-MS 1 0.0002 B mg/L 0.0001 0.0005 05/29/14 10:40 las <br /> Vanadium,dissolved M200.7ICP 1 U mg/L 0.005 0.03 05/22/14 17:44 aeb <br /> Vanadium,total M200.7 ICP 1 U mg/L 0.005 0.03 05/22/14 11:34 aeb <br /> Zinc,dissolved M200.7ICP 1 0.19 mg/L 0.01 0.05 05/22/14 17:44 aeb <br /> Zinc,total M200.71CP 1 0.29 mg/L 0.01 0.05 05/22/14 11:34 aeb <br /> Wet Chemistry <br /> Parameter EPA Method Dilution Result Qual • Units MDL POLDate- Analyst Al <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 U mg/L 2 20 05/16/14 0:00 dcw <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 05/16/14 0:00 dcw <br /> Hydroxide as CaCO3 1 U mg/L 2 20 05/16/14 0:00 dcw <br /> Total Alkalinity 1 U mg/L 2 20 05/16/14 0:00 dcw <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance 12.7 % 06/02/14 8:46 talc <br /> Sum of Anions 2.4 meq/L 0.1 0.5 06/02/14 8:46 talc <br /> Sum of Cations 3.1 meq/L 0.1 0.5 06/02/14 8:46 talc <br /> Chloride SM4500CI-E 1 1.7 B mg/L 0.5 2 05/23/1414:21 mpb <br /> Conductivity @25C SM2510B 1 494 umhos/cm 1 10 05/16/14 23:26 dcw <br /> Cyanide,total M335.4-Colorimetricw/distillation 0.5 U mg/L 0.003 0.01 05/27/14 17:54 mpb <br /> Cyanide,WAD SM4500-CN I-Colorimetric 0.5 U mg/L 0.003 0.01 05/27/14 18:42 mpb <br /> w/distillation <br /> Fluoride SM450OF-C 1 0.19 B mg/L 0.05 0.3 05/20/1418:20 abd <br /> Hardness as CaCO3 SM2340B-Calculation 139 mg/L 1 7 06/02/14 8:46 talc <br /> Lab Filtration(0.45um SOPWC050 1 05/23/14 13:56 scp <br /> filter) <br /> Lab Filtration(0.45um) M200.7/200.8 1 05/20/14 11:20 Jc <br /> &Acidification <br /> Nitrate/Nitrite as N M353.2-H2SO4 preserved 3 5.06 mg/L 0.06 0.3 05/24/14 14:23 pjb <br /> pH(lab) SM4500H+B <br /> pH 1 4.4 H units 0.1 0.1 05/16/14 0:00 dcw <br /> pH measured at 1 21 C 0.1 0.1 05/16/14 0:00 dcw <br /> Phosphorus,ortho M365.1-Automated Ascorbic Acid 1 0.03 B mg/L 0.01 0.05 05/16/14 21:27 pjb <br /> dissolved <br /> Residue,Filterable SM2540C 1 260 mg/L 10 20 05/21/14 13:47 eaa <br /> (TDS)@180C <br /> Residue, Non- SM2540D 1 14 B * mg/L 5 20 05/21/14 11:51 eaa <br /> Filterable(TSS) <br /> @105C <br /> Sulfate D516-02-Turbidimetric 5 112 mg/L 5 25 05/27/1414:59 jif <br /> TDS(calculated) Calculation 182 mg/L 10 50 06/02/14 8:46 talc <br /> TDS(ratio- Calculation 1.43 06/02/14 8:46 talc <br /> measured/calculated) <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L18297-1406020932 Page 8 of 32 <br />