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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 1 McCampbell Analytical Inc Telephone 925-799-1620 Fax 925-798 1622 <br /> hisi2jAvww mccaxT1>eU corn E-mail ma bell corn <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix S WorkOrder 0307385 <br /> EPA Method SW8015C Extraction SW3550C Batch€D 7931 Spiked Sample ID 0307385-015A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD CS-LCSD Acceptance Criteria(%) <br /> mg/Kg mg1Kg %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TPH(d) 2 401 150 94 8 968 196 95 959 0 964 70 130 <br /> 100 99 8 101 078 1 95 954 0 343 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> I NONE <br /> MS=Matrix Spike,MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LC-SD=Laboratory Control Sample Duplicate RPP=Relative Psrcent <br /> Deviabon <br /> %Recovery=100*(MS-Sample)I(Amount Spiked),RPD=100'(MS—MSD)I(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 matnx or sample diluted due to high matrix or <br /> analyte content <br />