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• www.emrdab.com <br />Helena, MT 877- 472 -0711 * Billings, MT 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />+* A+h"&Ca U- 1152 <br />J Gillette, <br />WY 866- 686 -7175 • <br />Rapid City, SO 888 - 672 -1225 • College Station, TX 688 -690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, <br />WY <br />Branch <br />Client: Cotter Corporation <br />Report Date: 02/13/13 <br />Project: Schwartz GW 1/24/13 S26788 <br />Work Order: 013010781 <br />FAnalyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS2- C_130131A <br />Sample ID: ICV <br />9 Initial Calibration Verification Standard <br />01/31/13 12:43 <br />Aluminum <br />0.0487 <br />mg /L <br />0.0010 <br />97 <br />90 <br />110 <br />Antimony <br />0.0499 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Chromium <br />0.0497 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Copper <br />0.0531 <br />mg /L <br />0.0010 <br />106 <br />90 <br />110 <br />Lead <br />0.0503 <br />mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Manganese <br />0.0500 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0212 <br />mg /L <br />0.0010 <br />106 <br />90 <br />110 <br />Thallium <br />0.0503 <br />mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Zinc <br />0.0526 <br />mg /L <br />0.0010 <br />105 <br />90 <br />110 <br />Method: E200.8 <br />Batch: 36423 <br />Sample ID: MB -36423 <br />9 Method Blank <br />Run: ICPMS2- C_130131A 01/31/13 18:27 <br />Aluminum <br />0.002 <br />mg /L <br />0.0007 <br />Antimony <br />0.0001 <br />mg /L <br />6E -05 <br />Chromium <br />0.01 <br />mg /L <br />0.0001 <br />Copper <br />0.001 <br />mg /L <br />0.0001 <br />Lead <br />3E -05 <br />mg /L <br />2E -05 <br />Manganese <br />0.0004 <br />mg /L <br />7E -05 <br />Silver <br />0.0004 <br />mg /L <br />4E -05 <br />Thallium <br />ND <br />mg /L <br />4E -05 <br />Zinc <br />ND <br />mg /L <br />0.009 <br />Sample ID: LCS3 -36423 <br />9 Laboratory Control Sample <br />Run: ICPMS2- C_130131A 01/31/13 18:30 <br />Aluminum <br />2.59 <br />mg /L <br />0.030 <br />104 <br />85 <br />115 <br />Antimony <br />0.518 <br />mg /L <br />0.0010 <br />104 <br />85 <br />115 <br />Chromium <br />0.515 <br />mg /L <br />0.0050 <br />101 <br />85 <br />115 <br />Copper <br />0.501 <br />mg /L <br />0.0050 <br />100 <br />85 <br />115 <br />Lead <br />0.514 <br />mg /L <br />0.0010 <br />103 <br />85 <br />115 <br />Manganese <br />2.54 <br />mg /L <br />0.0010 <br />102 <br />85 <br />115 <br />Silver <br />0.0533 <br />mg /L <br />0.0010 <br />106 <br />85 <br />115 <br />Thallium <br />0.517 <br />mg /L <br />0.00050 <br />103 <br />85 <br />115 <br />Zinc <br />0.499 <br />mg /L <br />0.010 <br />100 <br />85 <br />115 <br />Sample ID: C13010750- 002AMS3 <br />9 Sample Matrix <br />Spike <br />Run: ICPMS2- <br />C_130131A 01/31/13 18:39 <br />Aluminum <br />2.49 <br />mg /L <br />0.030 <br />99 <br />70 <br />130 <br />Antimony <br />0.498 <br />mg /L <br />0.0010 <br />100 <br />70 <br />130 <br />Chromium <br />0.493 <br />mg /L <br />0.0050 <br />97 <br />70 <br />130 <br />Copper <br />0.481 <br />mg /L <br />0.0050 <br />95 <br />70 <br />130 <br />Lead <br />0.497 <br />mg /L <br />0.0010 <br />99 <br />70 <br />130 <br />Manganese <br />2.44 <br />mg /L <br />0.0010 <br />97 <br />70 <br />130 <br />Silver <br />0.0514 <br />mg /L <br />0.0010 <br />102 <br />70 <br />130 <br />Thallium <br />0.502 <br />mg /L <br />0.00050 <br />100 <br />70 <br />130 <br />Zinc <br />0.524 <br />mg /L <br />0.019 <br />96 <br />70 <br />130 <br />Sample ID: C13010750- 002AMSD <br />9 Sample Matrix <br />Spike Duplicate <br />Run: ICPMS2- <br />C_130131A 01/31/13 18:42 <br />Aluminum <br />2.60 <br />mg /L <br />0.030 <br />104 <br />70 <br />130 4.5 20 <br />Antimony <br />0.513 <br />mg /L <br />0.0010 <br />102 <br />70 <br />130 2.9 20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 14 of 24 <br />