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110 2nd Avenue South,11D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical Inc Telephone 925-798-1620 Fax 925-798-1622 <br /> http/lwww mccampbell com E-mail main@mccampbell com <br /> QC SUMMARY REPORT FOR SW8021 B/8015Cm <br /> Matrix W WorkOrder 0308123 <br />' EPA Method SW8021BI8015Cm Extraction SW5030B BatchlD 8132 Spiked Sample ID 0308123-004A <br /> Sample Spiked MS" MSD* MS-MSD LCS LCSD 'LCS-LCSD Acceptance Criteria(%) <br /> I pg/L lig/L %Rec I %Rec %RPD %Rec %Rec %RPD Low High <br /> TPH(btex)e ND 60 111 114 246 104 110 569 70 130 <br /> MTBE ND 10 983 104 520 114 108 535 70 130 <br /> Benzene ND 10 104 112 723 111 110 1 04 70 ! 130 <br /> Toluene ND 10 98 4 104 584 102 102 0 70 130 <br /> Ethylbenzene ND 10 107 111 3 13 107 108 0 904 70 _w 130 <br /> Xylenes ND 30 100 103 328 100 100 0 70 130 <br /> %55 I 94 9 100 101 108 641 101 101 0--t 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 /> MS=Matrix Spice MSD=Matrix Spike Duplicate,LCS=Laboratory Control Sample LCSD=Laboratory Control Sample Duplicate,RPD=Relative Percent <br /> Deviabon <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 STEX areas from the FID <br /> #Guttered 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 sod matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content <br />