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Inc. 110 2nd Avenue South,HD7,Pacheco,CA 94553-5560 <br /> McCampbell Analytical, cTelephone:925-798-1620 Fax:925-798-1622 <br /> r Websile:www.mccamphell.com E-mail:maill@mecampbell.com <br /> QC SUMMARY REPORT FOR SW8021B18015Cm <br /> { <br /> W.O.Sample Matrix: Water QC Matrix: Water WorkOrder: 0501008 <br /> EPA Method: SW8021B18015Cm Extraction: SW5030B Batch ID:14541 Spiked Sample ID: 0501004-015A <br /> Analyte Sample Spiked MS" MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> { pg/L pg/L %Rec. %Rec. %RPD % Rec. % Rec. %RPD MS/MSD LCS/LCSD <br /> TPH(btex) ND 60 100 109 8.86 102 96.2 5.39 70- 130 70-130 <br /> MTBE ND 10 94.2 117 21.9 106 96 9.88 70-130 70-130 <br /> Benzene ND 10 102 1 l 1 8.44 113 104 8.32 70-130 70- 130 <br /> Toluene ND 10 103 110 7.26 110 101 8.98 70-130 70- 130 <br /> Ethylbenzene ND 10 110 113 3.53 115 104 9.58 70-130 70- 130 <br /> Xylenes ND 30 96.7 l00 3.39 100 91.3 9.06 70- 130 70-130 <br /> { %SS: 111 l0 106 113 6.26 110 109 0.918 70-130 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 /> ifo.+ <br /> i` MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPO=Relative Percent <br /> 1r� Deviation. <br /> %Recovery=too"(MS Sample)/(Amount Spiked);RPD=100`(MS- MSD)1((MS+MSD)12). <br /> `MS/MSD spike recoveries and!or%RPD may fall outside of laboratory acceptance criteria due to one or more of the following reasons:a)the sample is <br /> inhomogenous AND contains significant concentrations of analyte relative to the amount spiked,or b)the spiked sample's matrix interferes with the spike recovery. <br /> £TPH(btex)=sum of BTEX areas from the FID. <br /> 3f cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> i <br /> N/A=not applicable or 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 dil ted due to high matrix or <br /> analyte content. <br /> i <br /> DHS Certification No. 1644 6.1 QA/QC Officer <br />