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'. <br /> y 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical Inc. Telepboz:925-798-162Q Fax:925-798-1622 <br />' http://www.mccampbell.cvm E-maik main rr ccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix: S WorkOrder: 0210562 <br />' EPA Method: SW8021 B/8015Cm Extraction: SW5030B BatchlD:4701 Spiked Sample ID: 0210562-007A <br /> Compound Sample Spiked MS* MSD" MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' mg/Kg mg/Kg % Rec. %Rec. %RPD %Rec. %Rec. % RPD Low High <br /> TPH(gas) ND 0.60 97.8 100 2.25 96.7 99 2,34 80 120 <br /> MTBE ND 0.10 86.3 88 1.98 92.8 101 8.99 80 120 <br /> Benzene ND 0.10 111 106 4.35 102 106 3.94 80 120 <br /> Toluene 0.008482 0.10 109 106 2.47 108 103 4.64 80 120 <br /> Ethylbenzene ND 0.10 113 109 3.87 105 103 1.48 80 120 <br /> Xylenes ND 0.30 110 107 3.08 103 96.7 6.67 80 120 <br /> %SS: 125 100 118 114 3.64 112 108 3.92 80 120 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method RL with the following exceptions: <br /> I NONE <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;RPD=Relative Percent <br /> IDeviation. <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 /> °/Recovery=100'(MS-Sample)I(Amount Spiked);RPD=100'(MS—MSD)I(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 /> Ianalyte relative to.the amount spiked,or b)if that specific sample matrix interferes with s ike recovery. <br />