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ADZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 <br /> Alexco Environmental Group (US) Inc. ACZ Sample ID: L48829-02 <br /> Project ID: Date Sampled: 12/12/18 11:30 <br /> Sample ID: SW-BPL Date Received: 12113118 <br /> Sample Matrix: Surface Water <br /> Wet Chemistry <br /> Parameter EPA Method Dilution Result Qual XQ Units MDL • Date Analyst <br /> Alkalinity as CaCO3 SM2320B-Titration <br /> Bicarbonate as 1 95.6 mg/L 2 20 12/20/18 0:00 kja <br /> CaCO3 <br /> Carbonate as CaCO3 1 U mg/L 2 20 12/20/18 0:00 kja <br /> Hydroxide as CaCO3 1 U mg/L 2 20 12/20/18 0:00 kja <br /> Total Alkalinity 1 95.6 mg/L 2 20 12/20/18 0:00 kja <br /> Cation-Anion Balance Calculation <br /> Cation-Anion Balance -7.3 % 12/28/18 0:00 calc <br /> Sum of Anions 4.4 meq/L 12/28/18 0:00 talc <br /> Sum of Cations 3.8 meq/L 12/28/18 0:00 talc <br /> Chloride SM4500CI-E 1 44.7 mg/L 0.5 2 12/18/1815:40 mss2 <br /> Cyanide,WAD SM4500-CN 1,E- 0.5 U mg/L 0.003 0.01 12/21/18 23:21 pjb <br /> Colorimetric w/distillation <br /> Fluoride SM450OF-C 1 024 B mg/L 0.05 0.3 12/19/18 12:02 mh <br /> Hardness as CaCO3 SM2340B-Calculation 155 mg/L 0.2 5 12/28/18 0:00 calc <br /> (dissolved) <br /> Nitrate/Nitrite as N M353 2-H2SO4 preserved 1 0.05 B mg/L 0.02 0.1 12/22/18 17:35 pjb <br /> Phosphate,total Calculation based on total U mg/L 0.06 0.2 12/28/18 0:00 calc <br /> Phosphorus <br /> Phosphorus,total M365.1 -Auto Ascorbic 1 U mg/L 0.02 0.05 12/20/18 14:50 wtc <br /> Acid(digest) <br /> Residue,Filterable SM2540C 1 256 mg/L 10 20 12/14/18 15:37 kja <br /> (TDS)@180C <br /> Residue,Non- SM2540D 1 U mg/L 5 20 12/18/18 13:18 kja <br /> Filterable(TSS) <br /> @ 105C <br /> Sulfate D516-021-07-Turbidimetric 5 59.3 * mg/L 5 25 12/20/1811:45 mss2 <br /> TDS(calculated) Calculation 234 mg/L 12/28/18 0:00 calc <br /> TDS(ratio- Calculation 1.09 12/28/18 0:00 calc <br /> measured/calculated) <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L48829-1812281004 Page 5 of 36 <br />