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' 110 2nd Avenue South,M7,Pacheco,CA 94553-5560 <br /> McCampbeil Analytical Inc. Telephone:925-79&1620 Fax:925-798-1622 <br /> I <br /> http:1/www.mccampbell.com E-mail:main@mccampbeJl.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Batchit):2605 Matrix:W WorkOrder: 0206382 <br /> ' EPA Method: SW8021 B/8015Cm Extraction: SW5030B Ext.Date: 6125102 Spiked Sample ID: 0206384-001A <br /> Compound Sample Spiked MS* MSD* MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> ' VgIL pg/L % Ree. %Rec. %RPD %Rec. %Rec. %RPD I Low High <br /> TPH(gas) ND 60 104 104 0.0267 IOI 101 0.35 80 120 <br /> MTBE 10.56 10 83.5 91.4 4,13 96.5 93.3 3.4 80 120 <br /> Benzene ND 10 90.4 96,2 6.17 112 I04 7.7 80 12.0 <br /> Toluene ND 10 93.3 98.4 5.34 117 108 7.4 80 120 <br /> ' Ethylbenzene ND 10 94.6 99.2 4.74 114 106 6.9 80 120 <br /> Xylenes ND 30 94,7 99 4.48 Ho 103 6.2 80 120 <br /> 101 10 101 100 0.519 109 110 0.50 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 /> ' NONE <br /> lie <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> Deviation. <br /> NIA=not enough sample to perform matrix spike,or analyte concentration in sample exceeds spike amount <br /> %Recovery=100'(MS-Sample)I(Amount Spiked);RPD=100*(MS—MSD)I(MS+MSD)*2. <br />' -MS and/or MSD spike recoveries may not be near 100%or their RPDs near 0%if:a)the sample is inhomogeneous AND contains significant concentrations of <br /> analyze relative to the amount Spiked,ar b)if that specific sample matrix interferes with spike moovery. <br />