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McCampbell Analytical. Inc. 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> Web:www.mceampbelfoom E-mail:mainQamccampbe0.com <br /> "When Oualitv Counts' 7 Telephone,877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR 6020A <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0712440 <br /> EPA Method 6020A Extraction SW3050B BatchlD: 32513 Spiked Sample ID 0712388-001A <br /> Sample Spiked MS I MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/Kg mg/Kg %Rec. %Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Arsenic 5.5 50 97.3 101 3.27 10 97.9 99.5 1.61 70- I30 20 80- 120 20 <br /> Lead 12 50 96.1 100 3.38 10 98.9 100 1.10 70- 130 20 80- 120 20 <br /> %SS: 100 250 95 99 5.03 250 94 97 2.76 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 /> y BATCH 32513 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0712440-OOIA [2/12/07 10:42 AM 12/13/07 12/14/07 9:59 PM I 0712440-001A 2/12/07 10:42 AM 12/13/07 12/17/07 10:56 PM <br /> Was <br /> has <br /> Nas <br /> MMS=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 <br /> inhomogenous 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 No 1644 QA/QC Officer <br /> r <br />