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110 2nd Avenue South,#D7,Pacheeo,CA 94553-5560 ' <br /> McCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> http://www.mccampbell.com E-mail:main@tnocampbell.com <br /> I <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> Matrix:W WorkOrder: 0309362 <br />' EPA Method: SW8021B/8015Cm Extraction: SW5030B BatchlD:8619 Spiked Sample ID: 0309362-010A <br /> Sample Spiked MS* MSD' MS-MSD LCS LC SD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L %Rec. %Rec. %RPD %Rec. %Rea %RPD Low High <br /> TPH(btex)£ ND 60 97.1 95.3 1.80 93.3 93.6 0.332 70 130 <br />' MTBE ND 10 99.3 100 1.12 97.1 101 4.31 70 130 <br /> Benzene ND 10 104 101 2.19 97.5 102 4.50 70 130 <br /> Toluene ND 10 105 103 2.42 89.9 93.6 4.05 70 130 <br />' Ethylbenzene ND 10 106 103 2.77 96.2 98.7 2.49 70 130 <br /> Xylenes ND 30 110 107 3.08 86 90 4.55 70 130 <br />' %SS: 110 100 106 106 0 102 104 1.71 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 /> 1 <br /> r <br /> r . <br /> r <br /> r . <br /> MS=Matrix 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 BPDs 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 />' #differed chromatogram;sample peak coelutes with surrogate peak. <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 /> anan content. <br /> 1 <br />