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a 110 2nd Avenue South,#D7 Pacheco CA 94553-5560 <br /> L��McCa=�mpbell�A�nal�y�tical Inc Telephone 925 798-1620 Fax 925-798-1622 <br /> ht Ilwww mccampbell cam E marl main(a)iriccanTbell coin <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix A WorkOrder 0312541 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 9876 Spiked Sample ID N/A <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 /> TPLI(btex)£ N/A 60 N/A N/A N/A 882 886 0 468 70 130 <br /> MTBE N/A 10 N/A N/A NIA 93 1 884 522 70 130 <br /> Benzene N/A 10 N/A N/A N/A 107 104 324 70 130 <br /> Toluene N/A 10 NIA NIA NIA 111 106 450 70 130 <br /> Ethylbenzene N/A 10 NIA NIA NIA 113 102 103 70 130 <br /> Xylenes NIA 30 N/A N/A N/A 110 107 308 70 130 <br /> %SS N/A 100 NIA NIA NIA ll2 10$ 3 85 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 /> • <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate RPD=Relabve Percent <br /> Deviation <br /> %Recovery=100'(MS-Sample)/(Amount Spiked) RPD=100*(MS- MSD)I((MS+MSD)/2) <br /> *MS and I or MSD spike recovenes 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(btax)=sum of BTEX areas from the FED <br /> #duttered chromatogram sample peak coelutes with surrogate peak <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 />