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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc LTelephone 925-798-1620 Fax 925-798-1622 <br />' http//www mccampbell com E-mail mainccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> 1 <br /> Matrix W WorkOrder 0212433 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 5475 Spiked Sample ID N/A <br /> �Vgm <br /> Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance CrttenaCompound Ng/L % Rec %Rec: %RPD %Rec % Rec %RPD Low 1 High <br /> TPH(d) N/A 7500 NIA NIA N/A 119 117 189 70 130 <br />' %SS N/A 100 NIA NIA NIA 104 123 167 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 /> lie <br /> 1 <br /> I <br /> MS=Matra Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br /> Deviation <br /> NIA=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for sod matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matnx or <br /> analyte content <br /> %Recovery=100'(MS-Sample)/(Amount Spiked),RPD=100'(MS—MSD)/(MS+MSD)'2 <br /> MS and I 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 orb if that specific sample matrix interferes with spike recovery <br />