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04/09/2012 04:09 #6212 P.016/016 <br /> McCampbell Analytical Inc 1534 Willow Pass Road,Pirtsburg,CA 94565-1701 <br /> Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" httpJlwww.mccampbeH.com/E-mail:maina mccampbetLcom <br /> QC SUMMARY REPORT FOR SW8021B/8015Bm <br /> W.O.Sample Matrix: Water OC Matrix: Water BatchlD:65751 WorkOrder: 1203319 <br /> EPA Method: SW8021 B/8015Bm Extraction: SWSQ3308 Spiked SamLle ID: 12033W-002A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS Acceptance Criteria(%) <br /> pg/L pg/L % Rec. %Rec. %RPD %Rea MS/MSD RPD LCS <br /> TPH(btex)2 ND 60 113 115 2.12 107 70-130 20 70-130 <br /> MTBE ND 10 84.8 82.5 2.60 88.7 70-130 20 70-130 <br /> Benzene ND 10 101 100 0.379 98.4 70-130 20 70-130 <br /> Toluene ND 10 99.2 102 2.27 1 96.7 70-130 20 70-130 <br /> Ethylbenzene ND 10 99.4 99.4 0 96.7 70-130 20 70-1 30 <br /> Xylenes 0.56 30 102 102 0 98.8 70-130 20 70-130 <br /> %SS: 120 10 118 120 1.48 108 70-130 20 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 /> BATCH 65751 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 1203319-001D 03/10/12 03/14/12 03/14/12 6:42 AM <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent Deviation. <br /> %Recovery=100'(MS-Sample)/(Amount Spiked);RPD=100*(MS- MSD)/((MS+MSD)/2). <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 Inhomogenous AND contains <br /> 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 /> #cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> N/A=not enough sample to perform matrix spike and matrix spike duplicate. <br /> NR=matrix Interference and/or 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 <br /> or analyte content,or inconsistency in sample containers. <br /> DHS ELAP Certification 1644 QA/QC Officer <br /> Page 12 of 12 <br />