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AOZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Golder Associates ACZ Sample ID: L52434-03 , <br /> Project ID: 19121576 Date Sampled: 06112119 15:40 <br /> Sample ID: MW-3 Date Received: 06113119 <br /> Sample Matrix: Groundwater <br /> Wet Chemistry <br /> EPA Method Dilution Result Qual XQ Units MDLPQL Date., Analyst <br /> Alkalinity as CaCC3 SM2320B-Titration <br /> Bicarbonate as 1 1260 H mg/L 2 20 07/08/19 0:00 nmc ' <br /> CaCO3 <br /> Carbonate as CaCC3 1 UH ni 2 20 07/08/19 0:00 nmc <br /> Hydroxide as CaCC3 1 UH mg/L 2 20 07/08/19 0:00 nmc ' <br /> Total Alkalinity 1 1260 H * mg/L 2 20 07/08/19 0:00 nmc <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -2.1 % 08/22/19 0:00 calc <br /> Sum of Anions 72 meq/L 08/22/19 0:00 calc ' <br /> Sum of Cations 69 meq/L 08/22/19 0:00 calc <br /> Chloride M300.0-Ion Chromatography 20 1660 * mg/L 8 40 06/21/19 19:16 krh <br /> Cyanide,Free D6888-09/OIA-1677-09 1 U mg/L 0.003 0.01 06/18/19 14:09 rbt ' <br /> Fluoride SM450OF-C 1 2.4 mg/L 0.1 0.4 06/18/1914:33 enb <br /> Nitrate as N,dissolved Calculation: NO3NO2 minus NO2 U ni 0.02 0.1 08/22/19 0:00 calc <br /> Nitrate/Nitrite as N, M353.2-Automated 1 U mg/L 0.02 0.1 06/13/19 23:29 pjb <br /> dissolved Cadmium Reduction ' <br /> Nitrite as N,dissolved M353.2-Automated 1 U mg/L 0.01 0.05 06/13/19 23:29 pjb <br /> Cadmium Reduction <br /> pH (lab) SM4500H+B 1 8.4 H units 0.1 0.1 06/20/19 21:38 enb <br /> Residue,Filterable SM2540C 2 3960 mg/L 40 80 06/18/19 15:10 enb <br /> (TDS)@180C <br /> Sulfate M300.0-Ion Chromatography 20 U mg/L 8 40 06/21/19 19:16 krh <br /> TDS(calculated) Calculation 4000 mg/L 08/22/19 0:00 calc <br /> TDS(ratio- Calculation 0.99 08/22/19 0:00 calc , <br /> measured/calculated) <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L52434-1908281443 Page 8 of 55 ' <br />