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110 2nd Avenue South,#137,Pacheco CA 94553-5560 <br /> McCampbell analytical, Inc. letephone 925 798-1620 Fax 925-798-1622 <br /> Website wwwmccaiiipbell com E-mail main&Wcampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrder 0406263 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 91975 Spiked Sample ID N/A <br /> Sample Spiked MS* MSD" MS-MSD` LCS LCSD LCS-LCSD Acceptance Cntena(%) <br /> )Jg/L lig/L %Rec %Re % RPD %Rec %Rec %RPO Low High <br /> 7PH(d) NIA 7500 N/A NIA N/A 103 102 0395 70 130 <br /> %SS N/A 2500 N/A N/A N/A 109 110 0 419 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=Matnx Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)/(Amount Spiked),RPD=too*(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 matnx interferes with spike recovery <br /> N/A=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> lanalyte content_ <br /> DHS Certification No 1644 <br /> QA/QC tiff-1GCf <br />