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110 2nd Avenue South #D7 Pacheco CA 94551 51G❑ <br /> McCampbell Analytical, Inc. Telephone 925 798 1620 tax 925 798 1622 <br /> W6bsite wwyv iccampbell corn E marl main©nrccampbe.11 cum <br /> QC SUMMARY REPORT FOR SW8015C <br /> Matrix W WorkOrdE r 0403315 <br /> iEPA Method SW8015C Extraction SW3510C BatchlD 10823 Spiked Sample ID NIF <br /> Sample Spiked MS* MSD* MS-MSD LCS LCSD jLCS-LCSD Acceptance Criteria(%) <br /> i pg/L Ng/L %Rec I % Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(d) N/A 7500 NIA N/A N/A 974 982 1 0 879 70 130 <br /> %5S N/A 2500 NIA NIA N/A 106 106 0 70 130 <br /> IAll target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions <br /> NONE <br /> I <br /> i <br />! <br /> I <br /> I <br /> I <br /> I <br />! MS=Matrix Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPO=Retatve Percent <br /> Deviation <br /> 9/Recovery=100*(MS-Sample)1(Amount Spiked) RPD=100'(MS- MSD)/((MS+MSD)1 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 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 sail matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br /> DHS Certtficatton No 1644 )A)A/QC Officer <br /> I <br /> I <br />