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� Inc.McCampbell Analytical, II1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mccampbelLcom E-mail:main@mccampbell.com <br /> "When Oualitv Counts" Telephone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR 6020A <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0906008 <br /> EPA Method 6020A Extraction SW3050B BatchlD:43529 Spiked Sample ID: 0906008-002A <br /> Analyte Sample Spiked MS MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mgr Kg mg/Kg % Rec. % Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Barium 590 500 NR NR NR 10090.2 89.1 1.26 75- 125 20 75 . 125 20 <br /> %SS: i 03 250 97 98 1 1.68 250 99 99 0 70- 130 20 70 - 130 20 <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 43529 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 0906008-001A 06/01/09 10:45 AM 06/01/09 06/02/09 3:10 PM I 0906008-002A 06/01/09 11:26 AM 06/01/09 06/02/09 3:26 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 applicable to this method. <br /> NR=matrix interference and/or analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high <br /> matrix or analyte content. <br /> DHS ELAP Certification 1644 J2— QA/QC Officer <br />