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McCampbell Analytical, Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> ice, Web:www.mccampbell.com E-mail:main(,,mccampbell.com <br /> "When OualitvCounts" Telephone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR SW8015B <br /> W.O.Sample Matrix: Soil QC Matrix: Soil BatchlD: 39929 WorkOrder 0811805 <br /> EPA Method SW8015B Extraction SW3550C/3630C Spiked Sample ID: 0811805-027A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> TPH-Diesel(C l0-C23) ND 20 96.2 99.5 3.41 90.5 90.8 0.273 70- 130 30 70- 130 30 <br /> 1/.SS: 118 50 119 118 0.837 107 108 0.585 70- 130 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 39929 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0811805-027A 11/24/08 10:20 AM 11/25/08 11/26/08 8:21 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 <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 /> W—DHS ELAP Certification 1644 QA/QC Officer <br />