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y • <br /> AOZ Laboratories, Inc. <br /> 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 • <br /> Alexco Water and Environment Inc. ACZ Sample ID: L52103-02 <br /> Project ID: Date Sampled: 05130119 14:30 <br /> Sample ID: SW-AWD Date Received: 05/31/19 <br /> Sample Matrix: Surface Water <br /> Inorganic Prep <br /> Parameter EPA Method • • •Q •. <br /> Cyanide,WAD SM4500-CN I-distillation - 06/01/19 12:22 ttg <br /> Phosphorus,total M365.1 -Auto Ascorbic 06/04/19 10:52 mss2 <br /> Acid Digestion <br /> Total Hot Plate M200.2 ICP-MS 06/05/19 18:45 mfm <br /> Digestion <br /> Total Hot Plate M200.2 ICP * 06/11/19 13:15 aeh <br /> Digestion <br /> Total Recoverable M200.2 ICP-MS 06/04/19 10:22 rap <br /> Digestion <br /> Total Recoverable M200.2 ICP 06/12/19 13:15 jlw <br /> Digestion <br /> Metals Analysis <br /> Parameter EPA Method Dilution Result Qual XQ Units MDLPQL Date Analyst <br /> Aqtimony,total M200.8 ICP-MS 1 U mg/L 0.0004 0.002 06/05/19 21:15 mfm <br /> recoverable <br /> Arsenic,total M200.8 ICP-MS 1 U mg/L 0.0002 0.001 06/10/19 14:17 bsu <br /> Boron,total M200.7 ICP 2 U mg/L 0.04 0.2 06/12/19 23:37 jlw <br /> Chromium,total M200.7 ICP 2 U mg/L 0.02 0.1 06/14/19 1:00 jlw <br /> recoverable <br /> Copper,dissolved M200.7 ICP 1 U mg/L 0.01 0.05 06/05/19 0:34 dcm <br /> Molybdenum,dissolved M200.7 ICP 1 U mg/L 0.02 0.1 06/05/19 0:34 dcm <br /> Molybdenum,total M200.7 ICP 2 U mg/L 0.04 0.2 06/12/19 23:37 jlw <br /> Silver,dissolved M200.8 ICP-MS 1 U mg/L 0.0001 0.0005 06/05/19 19:04 mfm <br /> Thallium,total M200.8 ICP-MS 1 U mg/L 0.0001 0.0005 06/05/19 21:15 mfm <br /> recoverable <br /> Uranium,dissolved M200.8 ICP-MS 1 0.0008 mg/L 0.0001 0.0005 06/05/19 19:04 mfm <br /> Uranium,total M200.8 ICP-MS 1 0.001 mg/L 0.0001 0.0005 06/10/19 14:17 bsu <br /> Zinc,dissolved M200.7 ICP 1 0.06 mg/L 0.01 0.05 06/05/19 0:34 dcm <br /> Wet Chemistry <br /> Parameter EPA Method Dilution Result . • Date- <br /> Cyanide,WAD SM4500-CN 1,E- 0.5 U mg/L 0.003 0.01 06/03/19 14:48 ttg <br /> Colorimetric w/distillation <br /> Fluoride SM450OF-C 1 0.3 B mg/L 0.1 0.4 06/10/1910:44 enb <br /> Nitrate/Nitrite as N M353.2-H2SO4 preserved 1 U mg/L 0.02 0.1 06/08/19 0:05 pjb <br /> Phosphate,total Calculation based on total U mg/L 0.03 0.2 06/14/19 0:00 calc <br /> Phosphorus <br /> Phosphorus,total M365.1 -Auto Ascorbic 1 U * mg/L 0.01 0.05 06/04/19 15:43 mss2 <br /> Acid(digest) <br /> Residue,Filterable SM2540C 1 162 * mg/L 20 40 06/04/19 11:13 eij <br /> (TDS)@180C <br /> Residue,Non- SM2540D 1 U mg/L 5 20 06/03/19 10:04 eij <br /> Filterable(TSS) <br /> @ 105C <br /> REPIN.02.06.05.01 *Please refer to Qualifier Reports for details. <br /> L521 03-1 9061 41 250 Page 3 of 25 <br />