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' . • . <br /> AraZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> ' Golder Associates ACZ Sample ID: L59461-01 <br /> Project ID: 20144265 Date Sampled: 06104120 15:35 <br /> ' Sample ID: MW-1 Date Received: 06105120 <br /> Sample Matrix: Groundwater <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 1 458 mg/L 2 20 06/09/20 0:00 nmc <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 06/09/20 0:00 nmc <br /> Hydroxide as CaCO3 1 U mg/L 2 20 06/09/20 0:00 nmc <br /> ' Total Alkalinity 1 458 * mg/L 2 20 06/09/20 0:00 nmc <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -3.7 % 06/18/20 0:00 calc <br /> Sum of Anions 97 meq/L 06/18/20 0:00 calc <br /> Sum of Cations 90 meq/L 06/18/20 0:00 talc <br /> Chloride M300.0-Ion Chromatography 50 36.8 B mg/L 20 100 06/10/20 12:58 krh <br /> ' Cyanide, Free D6888 O9/OIA-1677-09 1 U * mg/L 0.003 0.01 06/10/20 10:46 rbt <br /> Fluoride SM450OF-C 1 0.6 mg/L 0.1 0.4 06/15/2011:35 emk <br /> Nitrate as N,dissolved Caloulabon. NO3NO2 rrxnus NO2 2.42 mg/L 0.02 0.1 06/18/20 0:00 talc <br /> Nitrate/Nitrite as N, M353.2-Automated 1 2.44 mg/L 0.02 0.1 06/05/20 21:46 pjb <br /> dissolved Cadmium Reduction <br /> Nitrite as N,dissolved M353.2-Automated 1 0.02 B * mg/L 0.01 0.05 06/05/20 21:46 pjb <br /> Cadmium Reduction <br /> pH(lab) SM4500H+B <br /> ' pH 1 8.2 H * units 0.1 0.1 06/09/20 0:00 nmc <br /> pH measured at 1 21.1 C 0.1 0.1 06/09/20 0:00 nmc <br /> Residue, Filterable SM2540C 2 6320 mg/L 40 80 06/09/20 17:55 jck <br /> ' (TDS)@180C <br /> Sulfate M300.0-Ion Chromatography 50 4120 mg/L 20 100 06/10/20 12:58 krh <br /> TDS(calculated) Calculation 6370 mg/L 06/18/20 0:00 talc <br /> TDS(ratio- Calculation 0.99 06/18/20 0:00 calc <br /> measured/calculated) <br /> 1 <br /> ' REPI N.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L59461-2006181028 Page 3 of 56 <br />