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www.ewdab.com Helena, W 877- 472 -0711 9 Billings, W 800- 735 -4489 • Casper, WY 888- 235 -8515 <br />AN**9 E=mb= gnu 1951 Gillette, WY 866 -686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 -660 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 9/10/14 S27680,S27681 <br />Analyte <br />Count Result Units <br />Method: <br />E200.7 <br />09/30/14 <br />Lab ID: <br />ICV <br />4 <br />Initial Calibration Verification S <br />Aluminum <br />%REC L <br />Low Limit H <br />5.01 mg /L <br />Iron <br />RPDLimit Qual <br />5.04 mg /L <br />Manganese <br />Analytical Run: ICP2- C_140917A <br />4.97 mg /L <br />Zinc <br />1.00 mg /L <br />Lab ID: <br />ICSA <br />4 <br />Interference Check Sample A <br />Aluminum <br />508 mg /L <br />Iron <br />95 1 <br />105 <br />185 mg /L <br />Manganese <br />0.010 9 <br />99 9 <br />- 0.00200 mg /L <br />Zinc <br />- 0.0102 mg /L <br />Lab ID: <br />ICSAB <br />4 <br />Interference Check Sample A <br />Aluminum <br />507 mg /L <br />Iron <br />09/17/14 12:11 <br />185 mg /L <br />Manganese <br />80 1 <br />120 <br />0.492 mg /L <br />Zinc <br />0.030 9 <br />93 8 <br />1.00 mg /L <br />Method: <br />E200.7 <br />0.010 <br />Lab ID: <br />MB -42613 <br />4 <br />Method Blank <br />Aluminum <br />0.010 <br />ND mg /L <br />Iron <br />ND mg /L <br />Manganese <br />ND mg /L <br />Zinc <br />ND mg /L <br />Lab ID: <br />LCS3 -42613 <br />4 <br />Laboratory Control Sample <br />Aluminum <br />2.62 mg /L <br />Iron <br />2.55 mg /L <br />Manganese <br />2.56 mg /L <br />Zinc <br />0.518 mg /L <br />Lab ID: <br />C14090454- 001CMS3 <br />4 <br />Sample Matrix Spike <br />Aluminum <br />3.3 mg /L <br />Iron <br />3.2 mg /L <br />Manganese <br />3.2 mg /L <br />Zinc <br />0.69 mg /L <br />Lab ID: <br />C14090454- 001CMSD <br />4 <br />Sample Matrix Spike Duplicate <br />Aluminum <br />2.6 mg /L <br />Iron <br />2.6 mg /L <br />Manganese <br />2.6 mg /L <br />Zinc <br />0.56 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />S - Spike recovery outside of advisory limits. <br />B 09/17/14 12:15 <br />0.10 101 80 120 <br />0.030 92 80 120 <br />0.010 98 80 120 <br />0.010 100 80 120 <br />Batch: 42613 <br />Run: ICP2 -C 140917A 09/17/1417:58 <br />0.01 <br />0.005 <br />0.0003 <br />0.002 <br />Run: ICP2- C_140917A 09/17/14 18:02 <br />0.030 105 85 115 <br />0.030 102 85 115 <br />0.0010 103 85 115 <br />0.010 104 85 115 <br />Run: ICP2- C_140917A 09/17/14 18:22 <br />0.030 131 70 130 S <br />0.030 128 70 130 <br />0.0010 128 70 130 <br />0.010 131 70 130 S <br />Run: ICP2- C_140917A 09/17/14 18:26 <br />0.030 105 70 130 21 20 R <br />0.030 104 70 130 21 20 R <br />0.0010 102 70 130 22 20 R <br />0.010 105 70 130 21 20 R <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />Page 9 of 25 <br />Report Date: 0 <br />09/30/14 <br />Work Order: C <br />C14090456 <br />RL % <br />%REC L <br />Low Limit H <br />High Limit R <br />RPD R <br />RPDLimit Qual <br />Analytical Run: ICP2- C_140917A <br />tandard 0 <br />09/17/14 11:43 <br />0.10 1 <br />100 9 <br />95 1 <br />105 <br />0.030 1 <br />101 9 <br />95 1 <br />105 <br />0.010 9 <br />99 9 <br />95 1 <br />105 <br />0.010 1 <br />100 9 <br />95 1 <br />105 <br />09/17/14 12:11 <br />0.10 1 <br />102 8 <br />80 1 <br />120 <br />0.030 9 <br />93 8 <br />80 1 <br />120 <br />0.010 <br />0.010 <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />Page 9 of 25 <br />