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www.energylab.com J Helena, MT 877 -472 -0711 a Billings, W 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />AwWM B 't Gillette, WY 866- 686 -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 <br />Project: Schwartz GW 1/22/13 SSTF: S26783 <br />Analyte Count Result Units <br />Method: E200.7 <br />Report Date: 02/06/13 <br />Work Order: C13010694 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: ICP2- C_130125A <br />Sample ID: ICV 9 Initial Calibration Verification Standard 01/25/13 13:08 <br />Aluminum <br />4.76 <br />mg /L <br />0.10 <br />95 <br />95 <br />105 <br />Calcium <br />50.7 <br />mg /L <br />0.50 <br />101 <br />95 <br />105 <br />Copper <br />1.03 <br />mg /L <br />0.010 <br />103 <br />95 <br />105 <br />Iron <br />5.12 <br />mg /L <br />0.030 <br />102 <br />95 <br />105 <br />Magnesium <br />51.2 <br />mg /L <br />0.50 <br />102 <br />95 <br />105 <br />Manganese <br />5.05 <br />mg /L <br />0.010 <br />101 <br />95 <br />105 <br />Potassium <br />47.4 <br />mg /L <br />0.50 <br />95 <br />95 <br />105 <br />Sodium <br />51.5 <br />mg /L <br />0.50 <br />103 <br />95 <br />105 <br />Zinc <br />1.03 <br />mg /L <br />0.010 <br />103 <br />95 <br />105 <br />Sample ID: ICSA <br />9 <br />Interference Check <br />Sample A <br />Aluminum <br />510 <br />mg /L <br />0.10 <br />102 <br />80 <br />120 <br />Calcium <br />483 <br />mg /L <br />0.50 <br />97 <br />80 <br />120 <br />Copper <br />0.00600 <br />mg /L <br />0.010 <br />Iron <br />186 <br />mg /L <br />0.030 <br />93 <br />80 <br />120 <br />Magnesium <br />488 <br />mg /L <br />0.50 <br />98 <br />80 <br />120 <br />Manganese <br />-0.00150 <br />mg /L <br />0.010 <br />Potassium <br />- 0.00100 <br />mg /L <br />0.50 <br />Sodium <br />0.0604 <br />mg /L <br />0.50 <br />Zinc <br />- 0.00520 <br />mg /L <br />0.010 <br />Sample ID: ICSAB <br />9 <br />Interference Check <br />Sample AB <br />Aluminum <br />513 <br />mg /L <br />0.10 <br />103 <br />80 <br />120 <br />Calcium <br />492 <br />mg /L <br />0.50 <br />98 <br />80 <br />120 <br />Copper <br />0.544 <br />mg /L <br />0.010 <br />109 <br />80 <br />120 <br />Iron <br />189 <br />mg /L <br />0.030 <br />94 <br />80 <br />120 <br />Magnesium <br />496 <br />mg /L <br />0.50 <br />99 <br />80 <br />120 <br />Manganese <br />0.498 <br />mg /L <br />0.010 <br />100 <br />80 <br />120 <br />Potassium <br />0.000700 <br />mg /L <br />0.50 <br />Sodium <br />- 0.0338 <br />mg /L <br />0.50 <br />Zinc <br />1.02 <br />mg /L <br />0.010 <br />102 <br />80 <br />120 <br />Method: E200.7 <br />Sample ID: MB -36369 <br />5 <br />Method Blank <br />Run: ICP2- C_130125A <br />Aluminum <br />ND <br />mg /L <br />0.009 <br />Copper <br />0.002 <br />mg /L <br />0.001 <br />Iron <br />ND <br />mg /L <br />0.005 <br />Manganese <br />ND <br />mg /L <br />0.0002 <br />Zinc <br />0.003 <br />mg /L <br />0.002 <br />Sample ID: LCS3 -36369 <br />5 <br />Laboratory Control <br />Sample <br />Run: ICP2- C_130125A <br />Aluminum <br />2.58 <br />mg /L <br />0.030 <br />103 <br />85 <br />115 <br />Copper <br />0.519 <br />mg /L <br />0.0050 <br />103 <br />85 <br />115 <br />Iron <br />2.60 <br />mg /L <br />0.030 <br />104 <br />85 <br />115 <br />Manganese <br />2.59 <br />mg /L <br />0.0010 <br />104 <br />85 <br />115 <br />Zinc <br />0.508 <br />mg /L <br />0.010 <br />101 <br />85 <br />115 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />01/25/13 13:36 <br />01/25/13 13:40 <br />Batch: 36369 <br />01/25/13 20:14 <br />01/25/13 20:18 <br />Page 7 of 19 <br />