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_��' McCampbell Analytical, Inc. 1534 Willow Pass Road.Pittsburg.CA 94565-1701 Web:www.mccampbell.com E-mail:mainpOmccampbell.com "When pualilvCounts" Telephone:877-252-9262 Fax:925-252-9269 QC SUMMARY REPORT FOR SW8015B W.O.Sample Matrix: Soil QC Matrix: Soil BatchlD: 39004 WorkOrder 0810535 EPA Method SW8015B Extraction SW3550C Spiked Sample ID: 0810477-002A Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) mg/Kg mg/Kg %Rec. %Rec. %RPD %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD TPH-Diesel(CIO-C23) 2.6 20 10197.3 '_.96 109 107 1.17 70- 130 30 70- 130 30 %SS: 105 50 114 I 1 1 3.00 112 113 0.593 70- 130 30 70- 130 30 All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: NONE BATCH 39004 SUMMARY Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed 0810535-001A 10/17/08 3:30 PM 10/21/08 10/28/08 10:48 AM 0810535-002A 10/17/08 3:32 PM 10/31/08 10/33/08 9:44 PM 0810535-003A 10/17/08 3:35 PM 10/21/08 10/24/08 12:01 AM MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. %Recovery=100`(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). 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 significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. N/A=not enough sample to perform matrix spike and matrix spike duplicate. 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. DHS ELAP Certification 1644 QA/QC Officer