2019-11-27_HYDROLOGY - M1977300 (10)

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AraZ Laboratories, Inc. 2773 Downhill Drive Steamboat Springs, CO 80487(800)334-5493 Alexco Water&Environmental Inc. ACZ Sample ID: L50183-01 Project ID: Schwarzwalder Mine Date Sampled: 02127119 11:20 Sample ID: SUMPS COMP. Date Received: 02127119 Sample Matrix: Groundwater Inorganic Prep Parameter EPA Method Dilution Result Qual XQ Units MDLPQL Date Analyst- Cyanide,WAD SM4500-CN I-distillation 03/02/19 8.57 Mc Phosphorus,total M365.1 -Auto Ascorbic 03/07/19 12:28 ttg Acid Digestion Total Hot Plate M200 2 ICP-MS 03/01/19 13:17 rap Digestion Total Hot Plate M200.2 ICP 03/06/19 10.45 dcm Digestion Metals Analysis MethodParameter EPA Dilution Result Qual XQ Units MDLDate Analyst Aluminum,dissolved M200.7 ICP 1 U mg/L 0.03 0.2 03/01/19 1,32 dcm Aluminum,total M200.7 ICP 1 U mg/L 0.03 02 03/07/19 19:44 dcm Antimony,dissolved M200.8 ICP-MS 1 0.0006 B mg/L 0.0004 0.002 03/05/19 11:30 mfm Antimony,total M200.8 ICP-MS 1 0.0008 B mg/L 0.0004 0.002 03/04/19 13:55 mfm Arsenic,dissolved M200.8 ICP-MS 1 U mg/L 0.0002 0.001 03/05/19 11:30 mfm Arsenic,total M200.8 ICP-MS 1 U mg/L 0.0002 0.001 03/04/19 13:55 mfm Boron,dissolved M200.7 ICP 1 0.04 B mg/L 0.01 0.05 03/01/19 16:14 dcm Boron,total M200.7 ICP 1 0.04 B mg/L 0.01 005 03/08/19 14:28 dcm Calcium,dissolved M200.7 ICP 1 105 mg/L 0.1 0.5 03/01/19 1:32 dcm Chromium,dissolved M200.7 ICP 1 U mg/L 0.01 0.05 03/01/19 16:14 dcm Chromium,total M200 7 ICP 1 001 B mg/L 0.01 0.05 03/07/19 19:44 dcm Copper,dissolved M200.7 ICP 1 U mg/L 0.01 0.05 03/01/19 1-32 dcm Copper,total M200.7 ICP 1 U mg/L 0.01 005 03/07/19 19:44 dcm Iron,dissolved M200.7 ICP 1 U mg/L 0.02 0.05 03/01/19 16:14 dcm Iron,total M200.7 ICP 1 0.03 B mg/L 0.02 0.05 03/07/19 19:44 dcm Lead,dissolved M200 8 ICP-MS 1 U * mg/L 0.0001 0.0005 03/05/19 11:30 mfm Lead,total M200.8 ICP-MS 1 0.0001 B mg/L 0.0001 0.0005 03/04/19 13:55 mfm Magnesium,dissolved M200.7 ICP 1 450 mg/L 0.2 1 03/01/19 1:32 dcm Manganese,dissolved M200.7 ICP 1 U mg/L 0.005 0.03 03/04/19 18:16 dcm Manganese,total M200.7 ICP 1 U mg/L 0.005 003 03/07/19 19:44 dcm Mercury,dissolved M245.1 CVAA 1 U * mg/L 0.0002 0.001 03/05/19 10.21 the Mercury,total M245.1 CVAA 1 U mg/L 0.0002 0.001 03/07/19 11:45 the Molybdenum,dissolved M200.7 ICP 1 U mg/L 0.02 0.1 03/01/19 1:32 dcm Molybdenum,total M200.7 ICP 1 0.04 B mg/L 0.02 0.1 03/07/19 19:44 dcm Potassium,dissolved M200.7 ICP 1 4.0 mg/L 0.2 1 03/01/19 1.32 dcm Silver,dissolved M200.8 ICP-MS 1 U mg/L 0.0001 0.0005 03/05/19 11:30 mfm Silver,total M200.8 ICP-MS 1 U mg/L 0.0001 00005 03/04/19 13.55 mfm Sodium,dissolved M200.7 ICP 1 33.6 mg/L 0.2 1 03/01/19 1.32 dcm Thallium,dissolved M200.8 ICP-MS 1 U mg/L 0.0001 0.0005 03/05/19 11:30 mfm Thallium,total M200.8 ICP-MS 1 U mg/L 0.0001 0.0005 03/04/19 13:55 mfm Uranium,dissolved M200.8 ICP-MS 1 1.39 mg/L 0.0001 0.0005 03/05/19 11:30 mfm Uranium,total M200.8 ICP-MS 1 1.55 mg/L 00001 0.0005 03/04/19 13:55 mfm Zinc,dissolved M200.7 ICP 1 U mg/L 001 0.05 03/01/19 1:32 dcm Zinc,total M200.7 ICP 1 001 B mg/L 0.01 0.05 03/07/19 19:44 dcm REPIN 02.06.05.01 `Please refer to Qualifier Reports for details. L50183-1909231509 Page 3 of 31