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AOZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> 1 Golder Associates ACZ Sample ID: L37566-04 <br /> Project ID: 1772432 Date Sampled: 05131117 00:00 <br /> Sample ID: MW-4 Date Received: 06102117 <br /> Sample Matrix: Ground Water <br /> ' Metals Analysis <br /> Parameter EPA Meth <br /> .q Dilution Result w Q • e Date- <br /> Barium,dissolved M200 7 ICP 10 8.95 mg/L 0.03 0.2 06/13/17 19:02 aeh <br /> ' Boron,dissolved M200 7 ICP 10 0.7 mg/L 01 0.5 06/13/17 19-02 aeh <br /> Calcium,dissolved M200 7 ICP 10 36 mg/L 1 5 06/13/17 19:02 aeh <br /> Iron,dissolved M200 7 ICP 10 U mg/L 0.2 05 06/13/17 19:02 aeh <br /> Magnesium,dissolved M200 7 ICP 10 16 mg/L 2 10 06/13/17 19:02 aeh <br /> Manganese,dissolved M200 7 ICP 10 U mg/L 0.05 0.3 06/15/17 14:29 gss <br /> Potassium,dissolved M200 7 ICP 10 10 mg/L 2 10 06/13/17 19:02 aeh <br /> Sodium,dissolved M200 7 ICP 10 4080 mg/L 2 10 06/13/17 19:02 aeh <br /> Wet Chemistry- <br /> Pminnow- EPA <br /> •o Djllution1. P • R •. - <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 612 mg/L 2 20 06/07/17 0.00 abd <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 06/07/17 0:00 abd <br /> Hydroxide as CaCO3 1 U * mg/L 2 20 06/07/17 0:00 abd <br /> Total Alkalinity 1 612 mg/L 2 20 06/07/17 0:00 abd <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -2.1 % 06/22/17 0:00 talc <br /> Sum of Anions 191 meq/L 06/22/17 0 00 talc <br /> Sum of Cations 183 meq/L 06/22/17 0 00 talc <br /> Chloride M300 0-Ion Chromatography 100 6390 mg/L 50 250 06/22/17 14:17 krh <br /> pH(lab) SM4500H+B <br /> pH 1 8.3 H units 0.1 0.1 06/07/17 0-00 abd <br /> pH measured at 1 24.5 C 0.1 0.1 06/07/17 0.00 abd <br /> Residue, Filterable SM2540C 5 10500 * mg/L 50 100 06/05/17 16:33 the <br /> (TDS)@180C <br /> Sulfate M300 0-Ion Chromatography 100 U * mg/L 50 250 06/22/17 14:17 krh <br /> TDS(calculated) Calculation 10900 mg/L 06/22/17 0.00 talc <br /> TDS(ratio- Calculation 0.96 06/22/17 0:00 talc <br /> measured/calculated) <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details <br /> L37566-1706221642 Page 5 of 23 <br />