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' 1 l0 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> [747McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br />' http/lwww mccampbell com E-mad uiamQmceampbell cam <br /> QC SUMMARY REPORT FOR SW8021B/8015Cni <br /> Matrix W WorkOrder 0312190 <br />' EPA Method SW8021 B18015Cm Extraction SW5030B BatchlD 9824 Spiked Sample ID 0312189-004A <br /> Sample Spiked MS* MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> pg/L pg1L % Rec % Rec %RPD %Rec % Rec % RPD Low High <br /> TPH(btex)e ND 60 932 83 7 107 91 6 924 0 862 70 130 <br />' MTBE ND 10 948 100 5 58 927 114 205 70 130 <br /> Benzene ND 10 986 105 634 95 974 247 70 130 <br />' Toluene ND t0 102 108 572 977 100 253 70 130 <br /> Ethylbenzene ND t0 105 112 647 995 101 198 70 130 <br /> Xylenes ND 30107 113 6 06 100 100 0 70 130 <br />' %SS 100 100 105 112 686 108 109 0 818 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 /> r <br /> MS=Matnx Spike MSD=Matrix Spike Duplicate LCS=Laboratory Control Sample,LCSD=Laboratory Control Sample Duplicate RPD=Relative Percent <br />' Deviation <br /> %Recovery=100"(MS-Sample)/(Amount Spiked) RPD=100"(MS- MSD)/((MS+MSD)/2) <br /> "MS and!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 /> £TPH(btex)=sum of BTEX areas from the FID <br /> #duttered chromatogram sample peak coetutes with surrogate peak <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate <br /> NR=analyte concentration in sample exceeds spike amount for soil matnx or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />