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www.energylab.corn Helena,bfr 877-472-0711 •Billings,MST 800-735-4480•Casper,WY 888-235-8515 <br /> '�sst Gillette,WY$66-666-7175•Rapid City,So 886-672-1225•College Station,TX 888-690-2218 <br /> QA/QC Summary Report <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 05/21/14 <br /> Project: Schwartz-SW 5/1/14 S27466 Work Order: C14050047 <br /> Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Method: E200.7 Analytical Run: ICP2-C_140507A <br /> Lab ID: ICV 2 Initial Calibration Verification Standard 05/07/14 11:09 <br /> Boron 1.03 mg/L 0.10 103 95 105 <br /> Iron 5.07 mg/L 0.030 101 95 105 <br /> Lab ID: ICSA 2 Interference Check Sample A 05/07/14 11:38 <br /> Boron -0.0993 mg/L 0.10 <br /> Iron 187 mg/L 0.030 93 80 120 <br /> Lab ID: ICSAB 2 Interference Check Sample AB 05/07/14 11:42 <br /> Boron -0.0754 mg/L 0.10 <br /> Iron 186 mg/L 0.030 93 80 120 <br /> Method: E200.7 Batch:41297 <br /> Lab ID: MB-41297 2 Method Blank Run: ICP2-C_140507A 05/07/14 18:07 <br /> Boron ND mg/L 0.01 <br /> Iron ND mg/L 0.005 <br /> Lab ID: LCS3-41297 2 Laboratory Control Sample Run: ICP2-C_140507A 05/07/14 18:11 <br /> Boron 0.452 mg/L 0.050 90 85 115 <br /> Iron 2.43 mg/L 0.030 97 85 115 <br /> Lab ID: C1 4050047-001 DMS3 2 Sample Matrix Spike Run: ICP2-C_140507A 05/07/14 18:23 <br /> Boron 0.468 mg/L 0.050 94 70 130 <br /> Iron 2.80 mg/L 0.030 97 70 130 <br /> Lab ID: C14050047-001DMSD 2 Sample Matrix Spike Duplicate Run: ICP2-C_140507A 05/07/14 19:16 <br /> Boron 0.536 mg/L 0.050 107 70 130 13 20 <br /> Iron 2.81 mg/L 0.030 97 70 130 0.1 20 <br /> Qualifiers: <br /> RL-Analyte reporting limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 10 of 27 <br />