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110 2nd Avenue South,#ED7,Pacheco,CA 94553-5560 <br /> McCaTripbell Arialyfilcal Irlc Telephone 925-798-1620 Fax 925-798-1622 <br /> b /lwww mec ball win}rnia>7 ma c heU coin <br /> • <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix S WorkOrder 0307385 <br /> EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 7930 Spiked Sample ID 0307385-017A <br /> Sample Spiked MS* MSD* MS-MSD* LCS LCSD CS-LCSD Acceptance Criteria(%) <br /> Img/KR mg/Kg % Ree %Rec % RPD %Rea % Rec %RPD Low High <br /> TPH(btex)E ND 060 101 103 1345 102 101 0 196 70 130 <br /> MTBE ND 0 10 91 8 924 0 577 977 931 482 70 130 <br /> Benzene ND 010 92 1 926 0 517 965 929 380 70 130 <br /> Toluene ND 0 10 92 1 929 0 929 959 937 235 70 I30 <br /> Ethylbenzene ND 0 10 963 969 0 648 100 966 362 70 130 <br /> I Xylenes ND 030 957 997 410 100 997 0 334 70 130 <br /> %SS 71 2 100 106 Ill 461 108 103 474 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 /> I <br /> I ' <br /> MS=Matrix Spike MSD=Matnx 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)1(MS+MSD)*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 /> E TP H(btex)=sum of BTEX areas from the FED <br /> 9 cluttered chromatogram sample peak ooelutes with surrogate peak <br /> NIA=not enough sample to perform matnx spike and matrix spike duplicate <br /> NR analyte concentration in sample exceeds spike amount for soll matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> L <br /> content <br /> I <br />