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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCampbell Arialytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> bttpj/www belLeom E-mad bell cam <br /> • <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix W Workorder 0307385 <br /> EPA Method SW802113/8015CM Extraction SW50308 BatchlD 7925 Spiked Sample iD 0307381-007A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD CS-LCSD Acceptance Cntena(%) <br />' pg/L pg/L %Rec %Rec %RPD %Rec % Rec %RPD Low High <br /> TPH(btex)1: ND 60 100 100 0 992 987 0 420 70 130 <br /> MTBE ND 10 961 941 148 102 101 127 70 I30 <br /> Benzene ND 10 948 943 0 579 969 978 0 916 70 130 <br /> Toluene ND 10 949 95 5 0 610 100 100 0 70 130 <br /> Ethylbenzene ND 10 98 1 98 0 114 105 106 0 443 70 130 <br /> Xylenes ND 30 100 100 0 107 110 308 70 130 <br /> %SS 104 100 996 100 0 537 989 992 0 419 70 130 <br /> All target compounds to the Method Blank of this extraction batch were ND less than the method R-L with the following exceptions <br /> NONE <br /> 1 <br /> 1 <br />' MS=Matrix Spike,MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviation <br /> %Recovery=100*(MS-Sample)I(Amount Spiked) RPD=100*(MS—MSD)/(MS+MSD)*2 <br /> MS and I or MSD spike recoverias 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 /> £TPH(btex)=sum of BTEX areas from the FID <br />' #cluttered chromatogram,sample peak coelutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike dupilcata <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 />