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• www.enerdab.com Helena,MT 877472-0711 •Billings,MY 800-7354409•Casper,WY 888-235-0515 <br /> LE - as c�F ,ec.s+mce r9s2 Gillette,wy 866-666-7175•Rapid City,So 880-672-1225•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 5/21/14 S27511 Work Order: C14050681 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP4-C_140530C <br /> Lab ID: ICV 4 Initial Calibration Verification Standard 06/02/14 13:30 <br /> Aluminum 4.90 mg/L 0.10 98 95 105 <br /> Iron 4.93 mg/L 0.030 99 95 105 <br /> Manganese 4.76 mg/L 0.010 95 95 105 <br /> Zinc 0.964 mg/L 0.010 96 95 105 <br /> Lab ID: ICSA 4 Interference Check Sample A 06/02/14 13:45 <br /> Aluminum 470 mg/L 0.10 94 80 120 <br /> Iron 174 mg/L 0.030 87 80 120 <br /> Manganese -0.00914 mg/L 0.010 <br /> Zinc -0.000800 mg/L 0.010 <br /> Lab ID: ICSAB 4 Interference Check Sample AB 06/02/14 13:49 <br /> Aluminum 476 mg/L 0.10 95 80 120 <br /> Iron 175 mg/L 0.030 87 80 120 <br /> Manganese 0.432 mg/L 0.010 86 80 120 <br /> Zinc 0.808 mg/L 0.010 81 80 120 <br /> Method: E200.7 Batch:41477 <br /> Lab ID: MB-41477 4 Method Blank Run: ICP4-C 140530C 06/03/14 15:54 <br /> Aluminum ND mg/L 0.01 <br /> Iron ND mg/L 0.004 <br /> Manganese ND mg/L 0.0002 <br /> Zinc ND mg/L 0.001 <br /> Lab ID: LCS3-41477 4 Laboratory Control Sample Run: ICP4-C_140530C 06/03/14 15:57 <br /> Aluminum 2.48 mg/L 0.030 99 85 115 <br /> Iron 2.54 mg/L 0.030 102 85 115 <br /> Manganese 2.43 mg/L 0.0010 97 85 115 <br /> Zinc 0.476 mg/L 0.010 95 85 115 <br /> Lab ID: C14050653-003CMS3 4 Sample Matrix Spike Run: ICP4-C_140530C 06/03/14 16:13 <br /> Aluminum 2.51 mg/L 0.030 99 70 130 <br /> Iron 2.55 mg/L 0.030 101 70 130 <br /> Manganese 2.39 mg/L 0.0010 95 70 130 <br /> Zinc 0.465 mg/L 0.010 93 70 130 <br /> Lab ID: C14050653-003CMSD 4 Sample Matrix Spike Duplicate Run: ICP4-C_140530C 06/03/14 16:32 <br /> Aluminum 2.51 mg/L 0.030 99 70 130 0.1 20 <br /> Iron 2.55 mg/L 0.030 101 70 130 0.0 20 <br /> Manganese 2.42 mg/L 0.0010 97 70 130 1.3 20 <br /> Zinc 0.470 mg/L 0.010 94 70 130 1.0 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 9 of 21 <br />