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1534 <br /> ass <br /> McCamnbell Analytical, Inc. wwwm1owPelLoomd.Pittsburg,ain 94565-1701 <br /> Web:wwwmuampbeli.com &meil:mvsQmccartipbell.com <br /> t "When Oualiw Counts' I Telephone:877-252-9262 Fax:925-252-9269 <br /> QC SUMMARY REPORT FOR 6020A <br /> W.O.Sample Matrix: Soil QC Matrix: Soil WorkOrder 0805110 <br /> EPA Method 6020A Extraction SW1311 BatchlD: 35423 Spiked Sample ID: NIA <br /> Analyte Sample Spiked MS MSD MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/L mg/L %Rec. %Rec. %RPD % Rec. %Rec. %RPD MS/MSD RPD LCS/LCSD RPD <br /> Arsenic N/A 10 N/A NIA N/A 93.5 94.8 1.38 N/A N/A 80- 120 20 <br /> Barium N/A too N/A N/A N/A 98.3 99.6 1.27 N/A N/A 80- 120 20 <br /> Cadmium N/A 10 N/A N/A N/A 96 97.2 1.22 N/A N/A SO- 120 20 <br /> Chromium N/A 10 N/A N/A N/A 92.4 94.2 1.91 N/A N/A SO- 120 20 <br /> Lead N/A 10 N/A N/A N/A 93.4 94.7 1.38 N/A N/A 80- 120 20 <br /> Mercury N/A 0.25 N/A N/A N/A 92.9 94 1.20 N/A N/A 80- 120 20 <br /> Selenium N/A 10 N/A N/A N/A 95 97.8 2.90 N/A N/A 80- 120 20 <br /> Silver N/A 10 1 N/A N/A N/A 91.5 92.2 0.784 N/A I N/A 80- 120 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 35423 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed lab ID Dale Sampled Date Extracted Date Analyzed <br /> 0805110-OOIA 05/05/08 2:00 PM 05/05/08 05/08/08 12:15 PM 10805110-002A 05/05/08 2:00 PM 05/05/08 05/08/08 12:24 PM <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 AND <br /> 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 /> NR=analyte concentration in sample exceeds spike amount for soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or analyte content. <br /> DHS ELAP Certification N° 1644 J2— QA/QC Officer <br />