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MCCBIDDbQ]� An91Vt1Ca1 In C. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:wvnv.mccampbelLcom E-mail:maim ntccampbell.com <br /> "When Quality Counts" Telc hone:877-252-9262 Fax 925-25'2- <br /> 9269 <br /> QC SUMMARY REPORT FOR 6010C i <br /> W.O.Sample Matrix: Soil - QC Matrix: Soil <br /> WorkOrder. 0710257 <br /> EPA Method 6010C Extraction SW3050B BatchlD: 31118 Spiked Sample ID 0710178.001A - <br /> Analyte Sample Spiked MS MSD MS-MSD Spiked LCS I LCSD LCS-LCSD Acceptance Criteria(%) I <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD f <br /> Lead 240 50 75.8 87.2 2.0310 102 ]00 - 1,86 75- 135. 20 80- ]20 20 <br /> /aSS: 97 250 97 100 2.61 250.- 94 99 1 4.45 70- 130 1 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 31118 SUMMARY I� i <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed ' <br /> 0710257-002A - 10/05/07 12:25 PM 10/05/07 10/08/07 12:46 <br /> 1 <br /> t <br /> l <br /> I <br /> 1 <br /> } <br /> 9. <br /> i <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 <br /> AND 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 /> DHS ELAP Certification N°1644 Y'\ QA/QC Officer <br />