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.: "1-7'..f" Trust our Penple.Trust our Data. Billings.MT 800.735.4489-Casper,WY 888.235.0515 <br /> Gillette.WY 866.686.7175 Helena,MT 877.472.0711 <br /> QA/QC Summary Report <br /> Prepared by Billings, MT Branch <br /> Client: Nederland Mining Consultants Work Order: B20020969 Report Date: 02/26/20 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.8 Analytical Run:ICPMS206-B_200221A <br /> Lab ID: QCS 4 Initial Calibration Verification Standard 02/22/20 08:13 <br /> Cadmium 0.0255 mg/L 0.0010 102 90 110 <br /> Copper 0.0512 mg/L 0.010 102 90 110 <br /> Lead 0.0498 mg/L 0.010 100 90 110 <br /> Silver 0.0249 mg/L 0.0050 100 90 110 <br /> Method: E200.8 Batch:141910 <br /> Lab ID: MB-141910 2 Method Blank Run:ICPMS206-B_200221A 02/22/20 09:03 <br /> Copper ND mg/L 0.0008 <br /> Lead ND mg/L 0.00008 <br /> Lab ID: LCS4-141910 2 Laboratory Control Sample Run:ICPMS206-13_200221A 02/22/20 09:09 <br /> Copper 0.101 mg/L 0.0050 101 85 115 <br /> Lead 0.0962 mg/L 0.0010 96 85 115 <br /> Lab ID: B20020969-001BMS4 2 Sample Matrix Spike Run:ICPMS206-B_200221A 02/22/20 09:42 <br /> Copper 0.101 mg/L 0.0050 98 70 130 <br /> Lead 0.101 mg/L 0.0010 97 70 130 <br /> Lab ID: 820020969-001 BMSD 2 Sample Matrix Spike Duplicate Run:ICPMS206-B_200221A 02/22/20 09:47 <br /> Copper 0.102 mg/L 0.0050 100 70 130 1.8 20 <br /> Lead 0.106 mg/L 0.0010 102 70 130 4.9 20 <br /> Method: E200.8 Batch:R336857 <br /> Lab ID: LRB 4 Method Blank Run:ICPMS206-B_200221A 02/21/20 11:19 <br /> Cadmium ND mg/L 0.00004 <br /> Copper ND mg/L 0.0002 <br /> Lead ND mg/L 0.00005 <br /> Silver ND mg/L 0.00002 <br /> Lab ID: LFB 4 Laboratory Fortified Blank Run:ICPMS206-B_200221A 02/21/20 11:25 <br /> Cadmium 0.0479 mg/L 0.0010 96 85 115 <br /> Copper 0.0518 mg/L 0.010 104 85 115 <br /> Lead 0.0467 mg/L 0.010 93 85 115 <br /> Silver 0.0182 mg/L 0.0050 91 85 115 <br /> Lab ID: MB-141902 4 Method Blank Run:ICPMS206-B_200221A 02/22/20 08:57 <br /> Cadmium ND mg/L 0.00004 <br /> Copper ND mg/L 0.0002 <br /> Lead 0.00005 mg/L 0.00005 <br /> Silver ND mg/L 0.00002 <br /> Lab ID: B20020973-001CMS 4 Sample Matrix Spike Run:ICPMS206-B_200221A 02/22/20 10:26 <br /> Cadmium 0.0505 mg/L 0.0010 101 70 130 <br /> Copper 0.0498 mg/L 0.0050 100 70 130 <br /> Lead 0.0487 mg/L 0.0010 97 70 130 <br /> Silver 0.0200 mg/L 0.0010 100 70 130 <br /> Qualifiers: <br /> RL-Analyte Reporting Limit ND-Not detected at the Reporting Limit(RL) <br /> Page 4 of 8 <br />