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534 <br /> rg,CA <br /> Mccamubell Analytical. Inc. :www.n11ow Pass Road,Plnsbu:main 94565-1701 <br /> Web:www.maampbell.com email:maioQmccampbell.com <br /> "When Ouality Counts" Tele hone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR 6020A <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0712346 <br /> EPA Method 6020A Extraction SW30508 IBatchlD: 32475 Spiked Sample ID 0712349-010A <br /> Sample Spiked MSMSD MS-MSD Spiked LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Analyte <br /> mg/Kg mg/Kg %Rec. °/a Rec. %RPD mg/Kg %Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Arsenic 1 4.3 50 102 100 1.64 10 102 101 0.789 70- 130 20 80- 120 20 <br /> Lead 2.9 50 101 100 0.829 10 104 100 3.04 70- 130 20 80- 120 20 <br /> r %SS: 98 250 100 99 0.644 250 98 96 2.68 70- 130 20 70- 130 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 /> be BATCH 32475 SUMMARY <br /> Sample ID Date Sampled Date Extracted Date Analyzed Sample ID Date Sampled Date Extracted Date Analyzed <br /> 0712346-008A 12/11/07 2:55 PM 12/11/07 12/12/07 7:01 PM I 0712346-008A 12/11/07 2:55 PM 12/11/07 12/13/07 7:15 PM <br /> r <br /> r <br /> r <br /> r <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 /> 42 <br /> DHS ELAP Certification No 1644 QA/QC Officer <br /> r <br />