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r <br /> 1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> McCampbell Analytical, Inc. <br /> Web:www.mccampbell.com E-mail:mam@nccampbell.wm <br /> oualu,Counts" Telephone:977-252-9262 Fax:925-252-9269 <br /> r <br /> QC SUMMARY REPORT FOR 6010C <br /> W.O.Sample Matrix: Soil OC Matrix: Soil WorkOrder: 0710257 <br /> r <br /> EPA Method 6010C Extraction SW3050B BatchlD: 31167 Spiked Sample ID 0710237-020A <br /> r <br /> Analyte Sample Spiked I MS I MSD MS-MSD Spiked I LCS I LCSD LCS-LCSD Acceptance Criteria(%) <br /> ,g/Kg mg/Kg %Rec. %Rec. %RPD mg/Kg %Rec. °h Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Lead 150 50 104 76.1 7.29 10 100 103 2.48 75- 125 20 80- 120 20 <br /> r -/.SS*. 103 250 104 100 4.01 250 99 104 4.42 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 31167 SUMMARY <br /> r Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0710257-OOIA 10/05/07 12:15 PM 10/05/07 10/08/07 12:43 PM <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> r <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=too-(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 /> r WA=not applicable to this method. <br /> r DHS ELAP Certification No 1644 OL QA/QC Officer <br /> r <br />