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'4 1534 Willow Pass Road, g, CA 94565-1701 <br />M C C G f Yl b e l l Ana C d I I n C. Toll Free Telephone: (877) 252- 62 / Fax: (925) 252-9269 <br />"When Quality Counts" http://www.mccampbell.com / E-mail: main&nccampbell.com <br />W.O. Sample Matrix: Solid QC Matrix: Soil BatchlD: 63619 WorkOrder: 1112175 <br />EPA Method: SW6020 <br />Extraction: SW13111SW3050B <br />Lab ID Date Sampled Date Extracted <br />Date Analyzed Lab ID <br />Spiked Sample ID: NIA <br />Analyte <br />Sample Spiked <br />mg/L mg/L <br />MS <br />% Rec. <br />MSD <br />MS -MSD <br />LCS <br />Acceptance Criteria (%) <br />% Rec. <br />% RPD % Rec. <br />MS / MSD RPD LCS <br />Barium <br />N/A 100 <br />N/A <br />N/A <br />N/A <br />99.4 <br />N/A N/A 75- 125 <br />Chromium <br />N/A 10 <br />N/A <br />N/A <br />N/A <br />90 <br />N/A N/A 75- 125 <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 />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 sample exceeds s ike 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 5 of 5 <br />BATCH 63619 SUMMARY <br />Lab ID Date Sampled Date Extracted <br />Date Analyzed Lab ID <br />Date Sampled Date Extracted <br />Date Analyzed <br />1112175-OOIA 12/05/112:00 PM 12/27/11 <br />12/28/11 9:25 PM 1 11 12175-002A <br />12/05/112:00 PM 12/27/11 <br />12/28/119:32 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 sample exceeds s ike 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 5 of 5 <br />