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www.erwoab.com J Helena, MY 877-472 -0711 • Billings, W 800 -735 -4469 • Casper, WY 808- 235 -8515 <br />Asga eilfiae.N�ava A= tiff Gillette, WY 866 -686 -7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />09/05/13 <br />Project: <br />Schwartz SW 8/6/13 S27019 <br />Work Order: <br />C13080305 <br />Analyte <br />Count Result Units <br />RL ° /6REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: <br />E200.7 <br />Batch: 38624 <br />Sample ID: <br />C13080303 -001 DMSD3 2 Sample Matrix Spike Duplicate <br />Run: ICP4- C_130819A <br />08/19/13 18:03 <br />Boron <br />0 566 mg /L <br />0.050 98 70 130 3.4 <br />20 <br />Iron <br />2.51 mg /L <br />0.030 99 70 130 0.8 <br />20 <br />Method: E200.7 <br />Batch: R177291 <br />Sample ID: MB- 130819A <br />8 Method Blank <br />Run: ICP4 -C 130819A <br />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 />050 <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 />939 <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_130819A <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 <br />detectable concentration <br />Page 11 of 25 <br />