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� www.enerdab.com Helena,MT$77472-0711 •Billings,MT 800-735-4489•Casper,WY 888-235-0515 <br /> n An*lai&Wbfim nnce 1932 Gillette,WY 866-686-7175•Rapid City,SO$86-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 06/13/14 <br /> Project: Schwartz-GW 5/16/14 S27488 Work Order: C14050560 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP4-C_140530A <br /> Lab ID: ICV 5 Initial Calibration Verification Standard 05/30/14 12:16 <br /> Barium 1.01 mg/L 0.10 101 95 105 <br /> Iron 5.04 mg/L 0.030 101 95 105 <br /> Manganese 4.82 mg/L 0.010 96 95 105 <br /> Molybdenum 0.964 mg/L 0.10 96 95 105 <br /> Uranium 4.88 mg/L 1.0 98 95 105 <br /> Lab ID: ICSA 5 Interference Check Sample A 05/30/14 12:30 <br /> Barium 0.000650 mg/L 0.10 <br /> Iron 175 mg/L 0.030 88 80 120 <br /> Manganese -0.00628 mg/L 0.010 <br /> Molybdenum 0.000230 mg/L 0.10 <br /> Uranium 0.227 mg/L 1.0 <br /> Lab ID: ICSAB 5 Interference Check Sample AB 05/30/14 12:35 <br /> Barium 0.466 mg/L 0.10 93 80 120 <br /> Iron 175 mg/L 0.030 88 80 120 <br /> Manganese 0.432 mg/L 0.010 86 80 120 <br /> Molybdenum 0.00184 mg/L 0.10 <br /> Uranium 0.264 mg/L 1.0 <br /> Method: E200.7 Batch: R187072 <br /> Lab ID: MB-140530A 5 Method Blank Run: ICP4-C 140530A 05/30/14 12:53 <br /> Barium 0.0005 mg/L 0.0002 <br /> Iron ND mg/L 0.002 <br /> Manganese ND mg/L 0.0010 <br /> Molybdenum ND mg/L 0.003 <br /> Uranium ND mg/L 0.3 <br /> Lab ID: LFB-140530A 5 Laboratory Fortified Blank Run: ICP4-C_140530A 05/30/14 12:57 <br /> Barium 0.982 mg/L 0.10 98 85 115 <br /> Iron 0.995 mg/L 0.030 99 85 115 <br /> Manganese 0.949 mg/L 0.010 95 85 115 <br /> Molybdenum 0.911 mg/L 0.10 91 85 115 <br /> Uranium 4.59 mg/L 1.0 92 85 115 <br /> Lab iD: C14050830-002BMS2 5 Sample Matrix Spike Run: ICP4-C_140530A 05/30/14 13:57 <br /> Barium 2.20 mg/L 0.050 107 70 130 <br /> Iron 2.19 mg/L 0.030 109 70 130 <br /> Manganese 2.11 mg/L 0.0020 106 70 130 <br /> Molybdenum 1.88 mg/L 0.0059 94 70 130 <br /> Uranium 9.25 mg/L 0.61 92 70 130 <br /> Lab ID: C14050830-002BMSD 5 Sample Matrix Spike Duplicate Run: ICP4-C_140530A 05/30/14 14:00 <br /> Barium 2.21 mg/L 0.050 108 70 130 0.5 20 <br /> Iron 2.20 mg/L 0.030 110 70 130 0.5 20 <br /> Manganese 2.10 mg/L 0.0020 105 70 130 0.6 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 4 of 13 <br />