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110 2nd Aven th,ND7,Pacheco,CA 94553-5560 <br /> McCampbell AnalyticlRnc. Telephone: -798-1620 Fax:925-798-1622 <br /> http:/lwww.mccampbell.com E-mail:main@mecampbell.com <br /> QC SUMMARY REPORT FOR SW8021B1801SCm <br /> 1 Matrix: S WorkOrder: 0307538 <br /> EPA Method: SW8021 BI8015Cm Extraction: SW50308 BatchlD:8034 Spiked Sample ID: 0307533-014A <br /> Sample Spiked MS` MSD' MS-MSD LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> mg/Kg mglKg %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPH(btex)£ ND 0.60 108 107 1.32 107 105 1.93 70 130 <br /> MTBE ND 0.10 90.8 89 1.96 86.9 84.7 2.60 70 130 <br /> Benzene ND 0.10 90.7 92.2 1.66 91.5 87.7 4.27 70 130 <br /> Toluene ND 0.10 91.6 93 1.48 92.7 88.9 4.11 1170 130 <br /> Ethylbenzene ND 0.10 92.5 93.2 0.741 93 89.7 3.57 70 130 <br /> Xylenes ND 0.30 95 95 0 95.3 94 1.41 70 130 <br /> °/0SS: 79.0 1 100 79.9 78.3 2.01 81.3 75.1 7.94 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 /> 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)I(MS+MSD)"2. <br /> `MS and I or MSD spike recoveries may not be near 100%or the RPDs near 0%it:a)the sample is inhomogenous AND contains significant concentrations of <br /> analyte relative to the amount spiked,of b)if that specific sample matrix interferes with spike recovery. <br /> £TPH(btex)=sum of BTEX areas from the FID. <br /> #cluttered chromatogram;sample peak coelutes 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 matrix or exceeds 2x spike amount for water matrix or sample diluted due to high matrix or <br /> analyte content. <br />