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1534 Willow Pass Road, P� g CA 94565-1701 <br />4 M C Campbell Anal , C a l Inc. Toll Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />"When Quality Counts" I <br />http://www.mccampbell.com / E-mail: main@mccampbell.com <br />QC SUMMARY REPORT FOR E218.6m <br />W.O. Sample Matrix: Soil QC Matrix: Soil BatchlD: 63486 WorkOrder: 1112484 <br />EPA Method: E218.6 Extraction: SW3060A Spiked Sample ID: 1112398-001A <br />Analyte Sample <br />mg/Kg <br />Spiked MS <br />MSD <br />MS -MSD LCS Acceptance Criteria (%) <br />mg/Kg % Rec. <br />% Rec. <br />% RPD % Rec. MS / MSD <br />RPD <br />LCS <br />Hexachrome ND <br />400 113 <br />114 <br />0.792 104 70 - 130 <br />20 <br />80- 120 <br />All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br />NONE <br />BATCH 63486 SUMMARY <br />Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />1112484-001A 12/15/11 10:45 AM 12/19/11 12/19/11 7:57 PM 1112484-002A 12/15/11 11:00 AM 12/19/11 12/19/11 8:16 PM <br />11 12484-003A 12/15/11 11:25 AM 12/19/11 12/19/11 8:34 PM 1 1 1 2484-004A 12/15/11 11:35 AM 12/19/11 12/19/11 8:52 PM <br />1112484-005A 12/15/11 11:45 AM 12/19/11 12/19/11 9:11 PM <br />MS = Matrix Spike; MSD = Matrix Spike Duplicate; LCS = Laboratory Control Sample; LCSD = Laboratory Control Sample Duplicate; RPD = Relative Percent Deviation. <br />% Recovery = 100 * (MS -Sample) / (Amount Spiked); RPD = 100 * (MS - MSD) / ((MS + MSD) / 2). <br />MS / MSD spike recoveries and / or %RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons: a) the sample is inhomogenous AND contains <br />significant concentrations of analyte relative to the amount spiked, or b) the spiked sample's matrix interferes with the spike recovery. <br />N/A = not applicable to this method. <br />NR = analyte concentration in sam le exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content. <br />DHS ELAP Certification 1644 <br />QA/QC Officer <br />Page 16 of 21 <br />