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p T L <br /> r 110 Ind'Avem, h,#D7,Pacheco CA 94553-5560 <br /> McCampbell Analytical, Inc. Telephone 925.798-1620 Fax 915-798-162), <br /> .ter Website:www.mecampbell."m E-mail: naiii@inccaopbelloojo p <br /> QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> i <br /> h <br /> Matrix:A WorkOrder: 0405299 <br /> EPA Method: SW8021 B/8015Cm Extraction: SW5030B BatchlD:11604 Spiked Sample ID: N/A <br /> Sample Spiked MS' MSD' !MS-MSD LCS LCSD iLCS-LCSD Acceptance Criteria (%) <br /> pg/L pg/L /o Rep /o Rec. /o RPD /°Req /o Rec. %RPD Low High <br /> TPH(btex)E. N/A 60 N/A N/A N/A 103 102 LIS 70 130 <br /> MTBE N/A 10 N/A N/A N/A Hit 105 5.17 70 130 <br /> Benzene 'N/A 10 N/A N/A N/A 106 112 - 4.86 70 130 <br /> Toluene N/A 10 'N/A N/A N/A 109 102 6.69 70 130 k <br /> Ethylbenzene N/A 10 ,N/A N/A N/A 109 114 4.68 70 130 <br /> Xylenes N/A 30 N/A N/A N/A loo 110 - 9.52 70 130 <br /> /SS: N/A 10 N/A N/A N/A 97.9 105 7.18 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 /> I. <br /> l <br /> I <br /> i <br /> I <br /> i <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample; -CSD=Laboratory Control Sample Duplicate;RPO=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 RPDs 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 /> E 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 /> DHS Certification No. 1644 QA/QC Officer <br />