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1534 Willow Pass Road, Pitts CA 94565-1701 <br />VC am bel1na�fCar Inc Toll <br />4 Free Telephone: (877) 252-9262 / Fax: (925) 252-9269 <br />rrlWhen Qua&(l' Co,,& r http:/Avww.nrxanVbeU,com / E-unil: lLcom <br />QC SUMMARY REPORT FOR 58082 <br />W.O. Sample Matrix: Soil QC Matrix: Soil BatchlD: 63542 WarkOrder: 1119555 <br />EPA Method: SW8082 <br />Extraction: SW3550B <br />Date Extracted <br />BATCH 63542 SUMMARY <br />Lab ID <br />Date Sampled <br />Date Extracted <br />Spiked Sample ID: <br />1112555-0OSA <br />Analyte <br />12/19/11 <br />Sample <br />Spiked <br />MS <br />MSD <br />MS -MSD <br />LCS <br />Acceptance Criteria (%) <br />mglkg mg/kg % Rec. % Rec. % RPD % Rec. MS / MSD RPD <br />LCS <br />Aroclorl260 <br />ND<0.25 <br />0.15 <br />106 <br />103 <br />2.61 <br />94.9 <br />70-130 20 <br />70-130 <br />%SS: <br />110 <br />0.050 <br />115 <br />114 <br />1.23 <br />74 <br />70-130 20 <br />70-130 <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 />Lab ID <br />Date Sampled <br />Date Extracted <br />BATCH 63542 SUMMARY <br />Lab ID <br />Date Sampled <br />Date Extracted <br />Date Analyzed <br />Date Analyzed <br />1112555-004A <br />12/19/11 <br />12/19/11 <br />12/19/11 11:59 PM <br />I 1112555-005A <br />12/19/11 <br />12/19/11 <br />12/20/11 12:55 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 contains <br />significant concentrations of anatyte relative to the amount spiked, or b) the spiked sample's matrix interferes with the spike recovery. <br />WA = 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 <br />QA/QC Officer <br />Page 18 of 23 <br />