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" www.owulab.com Helena, W 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888- 235 -8515 <br />"P°'R't152 Gillette, WY 866 -880 -7175 • Rapid City, SD 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: 09/05/13 <br />Project: Schwartz SW 8/6/13 S27019 Work Order: 013080305 <br />F nalyte Count Result Units RL 0/REC Low Limit High Limit RPD RPDLimit Cual <br />Method: E200.7 Batch: 38624 <br />Sample ID: C13080303 -001 DMSD3 2 Sample Matrix Spike Duplicate Run: ICP4- C_1 30819A 08/19/13 18:03 <br />Boron 0.566 mg /L 0.050 98 70 130 3.4 20 <br />Iron 2.51 mg /L 0.030 99 70 130 0.8 20 <br />Method: E200.7 <br />8 Laboratory Fortified Blank <br />Batch: R177291 <br />Sample ID: MB- 130819A <br />8 Method Blank <br />08/19/13 13:23 <br />Run: ICP4- C_130819A 08/19/13 13:19 <br />Aluminum <br />0.01 <br />mg /L <br />0.009 <br />Calcium <br />ND <br />mg /L <br />0.02 <br />Iron <br />ND <br />mg /L <br />0.002 <br />Magnesium <br />ND <br />mg /L <br />0.01 <br />Manganese <br />ND <br />mg /L <br />0.0010 <br />Potassium <br />ND <br />mg /L <br />0.04 <br />Sodium <br />ND <br />mg /L <br />0.2 <br />Zinc <br />ND <br />mg /L <br />0.001 <br />Sample ID: LFB- 130819A <br />8 Laboratory Fortified Blank <br />Run: ICP4- C_130819A <br />08/19/13 13:23 <br />Aluminum <br />0.983 <br />mg /L <br />0.10 <br />97 <br />85 115 <br />Calcium <br />48.3 <br />mg /L <br />0.50 <br />97 <br />85 115 <br />Iron <br />0.956 <br />mg /L <br />0.030 <br />96 <br />85 115 <br />Magnesium <br />48.4 <br />mg /L <br />0.50 <br />97 <br />85 115 <br />Manganese <br />0.918 <br />mg /L <br />0.010 <br />92 <br />85 115 <br />Potassium <br />47.8 <br />mg /L <br />0.50 <br />96 <br />85 115 <br />Sodium <br />47.8 <br />mg /L <br />0.50 <br />96 <br />85 115 <br />Zinc <br />0.919 <br />mg /L <br />0.010 <br />92 <br />85 115 <br />Sample ID: C13080635- 002BMS2 <br />8 Sample Matrix Spike <br />Run: ICP4- C_130819A <br />08/19/13 17:15 <br />Aluminum <br />9.77 <br />mg /L <br />0.095 <br />94 <br />70 130 <br />Calcium <br />1050 <br />mg /L <br />1.0 <br />93 <br />70 130 <br />Iron <br />9.67 <br />mg /L <br />0.030 <br />95 <br />70 130 <br />Magnesium <br />686 <br />mg /L <br />1.0 <br />96 <br />70 130 <br />Manganese <br />9.39 <br />mg /L <br />0.010 <br />92 <br />70 130 <br />Potassium <br />493 <br />mg /L <br />1.0 <br />93 <br />70 130 <br />Sodium <br />2510 <br />mg /L <br />2.1 <br />70 130 <br />A <br />Zinc <br />9.16 <br />mg /L <br />0.011 <br />89 <br />70 130 <br />Sample ID: C13080635- 002BMSD2 <br />8 Sample Matrix Spike Duplicate <br />Run: ICP4- C_1 30819A <br />08/19/13 17:19 <br />Aluminum <br />9.82 <br />mg /L <br />0.095 <br />95 <br />70 130 <br />0.5 <br />20 <br />Calcium <br />1050 <br />mg /L <br />1.0 <br />93 <br />70 130 <br />0.2 <br />20 <br />Iron <br />9.64 <br />mg /L <br />0.030 <br />94 <br />70 130 <br />0.3 <br />20 <br />Magnesium <br />687 <br />mg /L <br />1.0 <br />96 <br />70 130 <br />0.2 <br />20 <br />Manganese <br />9.43 <br />mg /L <br />0.010 <br />92 <br />70 130 <br />0.5 <br />20 <br />Potassium <br />494 <br />mg /L <br />1.0 <br />93 <br />70 130 <br />0.2 <br />20 <br />Sodium <br />2520 <br />mg /L <br />2.1 <br />70 130 <br />0.2 <br />20 A <br />Zinc <br />9.20 <br />mg /L <br />0.011 <br />90 <br />70 130 <br />0.4 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />A -The analyte level was greater than four times the spike <br />level. In <br />accordance with <br />the method % recovery is not calculated. <br />ND - Not detected at the reporting limit. <br />MDC - <br />Minimum detectable concentration <br />Page 11 of 25 <br />