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AraZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Golder Associates ACZ Sample ID: L30739-01 <br /> Project ID: 1547675 Date Sampled: 05131116 10:47 <br /> Sample ID: MW-1 Date Received: 06101116 <br /> Sample Matrix: Ground Water <br /> Metals Analysis <br /> Parameter EPA Method Dilution Result Qual XQ Units MDL PQL bate Analyst <br /> Barium,dissolved M200.71CP 5 U mg/L 0.02 0,08 06/06/16 14:56 gss <br /> Boron,dissolved M200.7 ICP 5 0.51 mg/L 0.05 0.3 06/06/16 14:56 gss <br /> Calcium,dissolved M200.7 ICP 5 345 mg/L 0.5 3 06/06/16 14:56 gss <br /> Iron,dissolved M200.7 ICP 5 U mg/L 0.1 0.3 06/06/16 14:56 gss <br /> Magnesium,dissolved M200.7 ICP 5 376 mg/L 1 5 06/06/16 14:56 gss <br /> Manganese,dissolved M200.7 ICP 5 U mg/L 0.03 0.1 06/06/16 14:56 gss <br /> Potassium,dissolved M200.7 ICP 5 22 mg/L 1 5 06/06/16 14:56 gss <br /> Sodium,dissolved M200.71CP 5 1570 mg/L 1 5 06/06/16 14:56 gss <br /> Wet Chemistry <br /> Parameter EPA Method Dilution Result Qual XQ Units MDL PQL Date Analyst;; <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 307 mg/L 2 20 06/02/16 0:00 sck <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 06/02/16 0:00 sck <br /> Hydroxide as CaCO3 1 U mg/L 2 20 06/02/16 0:00 sck <br /> Total Alkalinity 1 307 mg/L 2 20 06/02/16 0:00 sck <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -1.3 % 06/13/16 0:00 calc <br /> Sum of Anions 121 meq/L 06/13/16 0:00 calc <br /> Sum of Cations 118 meq/L 06/13/16 0:00 calc <br /> Chloride M300.0-Ion Chromatography 100 U mg/L 50 250 06/07/16 17:28 mss2 <br /> pH(lab) sM4500H+B <br /> pH 1 7.9 H units 0.1 0.1 06/02/16 0:00 sck <br /> pH measured at 1 22.1 C 0.1 0.1 06/02/16 0:00 sck <br /> Residue,Filterable SM2540C 5 8450 mg/L 50 100 06/02/16 14:48 emk <br /> (TDS)@180C <br /> Sulfate M300.0-Ion Chromatography 100 5470 mg/L 50 250 06/07/16 17:28 mss2 <br /> TDS(calculated) Calculation 7970 mg/L 06/13/16 0:00 calc <br /> TDS(ratio- Calculation 1.06 06/13/16 0:00 talc <br /> measured/calculated) <br /> REPIN.02.06.05.01 <br /> ' L30739-1606131531 Page 2 of 21 <br />