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-4... <br /> 110 2nd Avenue South,9D7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> Website:www.mccampbelLcom E-mail:main a mccampbell.com <br /> AJ <br /> QC SUMMARY REPORT FOR SW8082A <br /> Matrix: S WorkOrder: 0405448 <br /> EPA Method: SW8082A Extraction: SW3550C BatchlD:11733 Spiked Sample ID: 0405487-001A <br /> Sample Spiked MS' MSD' !MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> __... --------._..--- ----t ---- ----- - .- - i-.._.--... -- - - - - <br /> pg/Kg Ng/Kg %Rec. t %Rec. %RPD %Rec. %Rec. %'RPD Low High <br /> PCB ND 75 89.7 89.5 0.277 94.6 93.7 0.990 70 130 <br /> %SS: 101 50 105 105 0 97.5 97.7 0.147 70 130 <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 /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> %Recovery=100.(MS-Sample)/(Amount Spiked);RPD=100'(MS- MSD)/((MS+MSD)/2). <br /> MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%if:a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative:to the amount spiked,or b)if that specific sample matrix interferes with spike recovery. <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. <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 <br /> analyte content. <br /> DHS Certification No. 1644 A/QC Officer <br />