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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> httpJlwww.mccampbell.com E-mail:main@mccwnpbell.com <br /> QC SUMMARY REPORT FOR SW8021BI8015Cm <br /> I <br /> Matrix:W WorkOrder: 0312367 <br /> IEPA Method: SW8021B/8015Cm Extraction: SW5030B BatchID:9760 Spiked Sample ID: 0312365-005A <br /> Sample Spiked MS" MSD" MS-MSD LCs LCSD ILCS-LCSD Acceptance Criteria(%) <br /> pg/L pg/L %Rec. %Rec. %RPD %Rec. %Rec. %RPD Low High <br /> TPR(btex)£ ND 60 103 102 0.762 95.4 100 4.76 70 130 <br /> I MTBE ND l0 110 109 0.981 95.7 93.9 1.93 70 130 <br /> Benzene ND l0 l0t 101 0 103 104 0.712 70 130 <br /> Toluene ND 10 91.5 91.3 0.255 95.9 97.6 1.79 70 130 <br />' Ethylbenzene Nil 10 108 100 7.87 101 106 4.94 70 130 <br /> Xylenes ND 30 100 95.7 4.43 89 93.3 4.75 70 130 <br />' "/oSS: 103 100 99.6 102 1.95 1 113 110 3,32 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 /> 1 <br /> I <br /> I <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)1((MS+MSD)/2). <br />' *MS and 1 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 /> • £TPH(btex)=sum of BTEX areas from the FID. <br />' #Guttered chromatogram;sample peak coelutes with surrogate peak. <br /> NIA=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 /> analyse content. <br /> 1 ' <br />