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1534 Willow Pass Road,Pittsburg,CA 94565-1701 <br /> M c C a m p b e I l Analytical, Inc. Toll Free Telephone:(877)252-9262/Fax:(925)252-9269 <br /> "When Quality Counts" I <br /> http://www.mccampbell.com/E-mail:main@mccampbell.com <br /> QC SUMMARY REPORT FOR SW8021B/8015Bm <br /> W.O. Sample Matrix: Water QC Matrix: Water BatchlD:66274 WorkOrder: 1203872 <br /> EPA Method: SW8021B/8015Bm Extraction: SW5030B Spiked Sample ID: 1203935-001A <br /> Analyte Sample Spiked MS MSD MS-MSD LCS Acceptance Criteria(%) <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. MS/MSD RPD LCS <br /> TPH(btex)£ ND 60 109 120 9.48 103 70-130 20 70-130 <br /> MTBE ND 10 101 106 4.74 97.1 70-130 20 70-130 <br /> Benzene ND 10 96.6 101 4.35 96.4 70-130 20 70-130 <br /> Toluene ND 10 96.4 102 5.25 95.7 70-130 20 70-130 <br /> Ethylbenzene ND 10 93.8 98.8 5.20 91.6 70-130 20 70-130 <br /> Xylenes ND 30 97.3 102 4.59 93.5 70-130 20 70-130 <br /> %SS: 1107 10 102 104 1.75 1104 170-130 120 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 66274 SUMMARY <br /> Lab ID Date Sampled Date Extracted Date Analyzed Lab ID Date Sampled Date Extracted Date Analyzed <br /> 1203872-022A 03/26/12 12:00 PM 03/29/12 03/29/12 3:16 PM <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 19 of 19 <br />