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' 110 2nd Avenue South,#07 Pacheco CA 94553-5560 <br /> MCCampbell Analytical, Inc. Telephone 925-798-1620 Fax 925-798-1622 <br />' Website www mcearripbell com Email mam@mccarripbell com <br /> • QC SUMMARY REPORT FOR SW8015C <br /> I <br /> Matrix W WorkOrder• 0403274 <br />' EPA Method SW8015C Extraction SW3510C BatchlD 10795 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L % Rec % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) NIA 7500 NIA NIA NIA 110 109 1 0 739 70 130 <br /> %SS NIA 2500 t N/A N/A N/A 102 101 0 703 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 /> 1 <br /> I <br /> I <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)1(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)12) <br />' `MS and/or MSD spike recoveries may not be near 100%or the RPDs near 0%it 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 /> NIA=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 Certtfication No 1644 '—kQA/QC Officer <br /> I <br /> i <br />