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AOZ <br /> Laboratories, Inc. ' <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Golder Associates ACZ Sample ID: L63343-08 ' <br /> Project ID: 20144265 Date Sampled: 12114120 13:50 <br /> Sample ID: MW-6 Date Received: 12115120 <br /> Sample Matrix: Groundwater ' <br /> Wet Chemistry ' <br /> Parameter EPA Method Dilution- Result Qual XQ Units --MD L- POL Date <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 647 mg/L 2 20 12/18/20 0:00 emk ' <br /> CaCO3 <br /> Carbonate as CaCO3 1 <2 U mg/L 2 20 12/18/20 0:00 emk <br /> Hydroxide as CaCO3 1 <2 U mg/L 2 20 12/18/20 0:00 emk <br /> Total Alkalinity 1 647 mg/L 2 20 12/18/20 0:00 emk , <br /> Chloride M300.0-Ion Chromatography 100 6110 mg/L 40 200 12/19/20 1:10 krh <br /> Cyanide, Free D6888-09/OIA-1677-09 1 0.0050 B mg/L 0.003 0.01 12/21/20 12:20 rbt <br /> Fluoride SM450OF-C 1 1.12 mg/L 0.11 0.35 12/18/2015:35 eep ' <br /> Nitrate as N, dissolved Calculation: NO3NO2 minus NO2 <0.02 U mg/L 0.02 0.1 03/01/21 0:00 calc <br /> Nitrate/Nitrite as N, M353.2-Automated 1 <0.02 U mg/L 0.02 0.1 12/15/20 22:25 pjb <br /> dissolved Cadmium Reduction <br /> Nitrite as N,dissolved M353.2-Automated 1 <0.01 U mg/L 0.01 0.05 12/15/20 22:25 pjb ' <br /> Cadmium Reduction <br /> pH(lab) SM4500H+B <br /> pH 1 8.0 H units 0.1 0.1 12/18/20 0:00 emk ' <br /> pH measured at 1 21.4 C 0.1 0.1 12/18/20 0:00 emk <br /> Residue, Filterable SM2540C 5 10600 mg/L 100 200 12/16/20 12:35 scd <br /> (TDS)@180C <br /> Sulfate M300.0-Ion Chromatography 100 <40 U mg/L 40 200 12/19/20 1:10 krh ' <br /> 1 <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. ' <br /> L63343-2103010916 Page 18 of 54 <br />