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cCa Abell Analytical, Inc. I 1534 Willow Pass Road, Pit burg, CA 94565-1701 <br />Web: www.mccampbell.com E-mail: main@mccampbell.com <br />"When Oualitv Counts" Telephone: 877-252-9262 Fax: 925-252-9269 <br />QC SUMMARY REPORT FOR SW8015B <br />W.O. SamDle Matrix: Soil QC Matrix: Soil BatchlD: 38845 WorkOrder 0810415 <br />EPA Method SW8015B <br />Extraction SW3550C <br />Spiked Sample ID: 0810355-002A <br />Analyte <br />Sample Spiked MS <br />MSD <br />MS -MSD <br />LCS <br />LCSD <br />LCS-LCSD Acceptance Criteria (%) <br />mg/Kg mg/Kg % Rec. % Rec. % RPD % Rec. % Rec. <br />% RPD MS / MSD RPD LCS/LCSD RPD <br />TPH-Diesel (C10 -C23) <br />ND 20 116 <br />116 <br />0 <br />106 <br />106 <br />0 70 - 130 30 70- 130 30 <br />%SS: <br />106 50 111 <br />111 <br />0 <br />100 <br />100 <br />0_j 70 - 130 1 30 70- 130 30 <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 38845 SUMMARY <br />Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br />0810415-OOIA 10/16/08 9:40 AM 10/17/08 10/24/08 4:34 AM <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 <br />contains 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 enough sample to perform matrix spike and matrix spike duplicate. <br />NR = analyte concentration in sample 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 Je— QA/QC Officer <br />