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1 <br /> • • ' <br /> AC Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> ' Golder Associates ACZ Sample ID: L59461-04 <br /> Project ID: 20144265 Date Sampled: 06104120 14:00 <br /> ' Sample ID: MW-4 Date Received: 06105120 <br /> Sample Matrix: Groundwater <br /> ' Wet Chemistry <br /> Parameter EPA Method Dilution Result Qual XQ Units MDL POL Date Analyst <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 644 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 1 644 mg/L 2 20 06/09/20 0:00 nmc <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -4.8 % 06/18/20 0:00 talc <br /> ' Sum of Anions 209 meq/L 06/18/20 0:00 calc <br /> Sum of Cations 190 meq/L 06/18/20 0:00 talc <br /> Chloride M300.0-Ion Chromatography 100 7020 mg/L 40 200 06/10/20 13:34 krh <br /> ' Cyanide, Free D6888-09/01A-1677-09 1 U mg/L 0.003 0.01 06/10/20 10:58 rbt <br /> Fluoride SM450OF-C 1 1.1 mg/L 0.1 0.4 06/15/2011:45 emk <br /> Nitrate as N,dissolved Calculation. NO3NO2 nunus NO2 U mg/L 0.02 0.1 06/18/20 0:00 talc <br /> Nitrate/Nitrite as N, M353.2-Automated 1 U mg/L 0.02 0.1 06/05/20 21:49 pjb <br /> ' dissolved Cadmium Reduction <br /> Nitrite as N,dissolved M353.2-Automated 1 U mg/L 0.01 0.05 06/05/20 21:49 pjb <br /> Cadmium Reduction <br /> pH(lab) SM4500H+B <br /> ' pH 1 8.1 H units 0.1 0.1 06/09/20 0:00 nmc <br /> pH measured at 1 21.4 C 0.1 0.1 06/09/20 0:00 nmc <br /> Residue, Filterable SM2540C 5 11100 mg/L 100 200 06/10/20 9:24 eij <br /> ' (TDS)@180C <br /> Sulfate M300.0-Ion Chromatography 100 U mg/L 40 200 06/10/20 13:34 krh <br /> TDS(calculated) Calculation 11700 mg/L 06/18/20 0:00 calc <br /> TDS(ratio- Calculation 0.95 06/18/20 0:00 calc <br /> ' measured/calculated) <br /> ' REPI N.02.06.05.01 'Please refer to Qualifier Reports for details. <br /> L59461-2006181028 Page 9 of 56 <br />