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534 <br /> tsburg,CA <br /> ®� McCampbell Analytical, Inc. 1www.mcowPassRoad,PE-mail:mam 94565-1701 <br /> Web:www.mccampbeLLcom E-mail:main<dmccampbell.com <br /> "When Orality COmA." Telephone,877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR 6010C <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder: 0710257 <br /> EPA Method 6010C Extraction SW3050B BatehlD:31167 Spiked Sample ID 0710237-020A <br /> Analyte Sample Spiked MIS MSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mglKg %Rec. %Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS I MSD RPD LCSILCSD RPD <br /> Lead 150 50 104 76.1 7.29 10 100 103 2.48 75- 125 20 80- 120 20 <br /> %SS: 103 250 104 100 4.01 250 99 104 4.42 70- 130 20 70- 130 1 20 <br /> All target compounds in the Method Blank of this extraction batch were NO less than the method RL with the following exceptions: <br /> NONE <br /> BATCH 31167 SUMMARY <br /> 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 /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Contml Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)12). <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 NO 1644 QA/QC Officer <br />