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110 2nd Avenue South #D7 Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-79&1620 Fax 925-798-1622 <br /> http/twwwroccampbelleorn E-mail main mccampbell com <br /> QC SUMMARY REPORT FOR SW8015C <br /> I <br /> Matrix W WorkOrder 0210391 <br /> EPA Method SW8015C Extraction SW3510C BatchlD 4555 Spiked Sample ID NIA <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> Compound — <br /> pg/L pglL %Rec %Rec %RPD % Rec %Rec %RAD Low High <br /> TPH(d) N/A 7500 NIA NIA N/A 995 Ill 11 1 70 130 <br /> %SS N/A too NIA N/A N/A 109 118 862 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method PL with the following exceptions <br /> NONE <br />' MS=Matnx 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 soil matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br />' analyte content <br /> %Recovery=100'(MS-Sample)I(Amount Spiked),RPD=100'(MS–MSD)/(MS+MSD)`2 <br /> `MS and I or MSD spike recoveries may not be near 100%or the RPD-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 />