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' 7�, 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 -' <br /> ,� MCCarnpbell ArlalytlCal 1ll(`+. Telephone:925-798-1620 Fax:925-798-1622 <br /> {�'� ht J/www,nucamphell.com 6-mail:main ,mcca Uell.com <br /> I <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> 1 <br /> Matrix: W WorkOrder. 0312450 <br />' EPA Method: SW8021 B18015Cm Extraction: SW5030B BatchlD:9823 Spiked Sample ID: 0312450-001A <br /> Sample Spiked MS" MSD' MS-MSD* LCS LCSD LCS-LCSD Acceptance Criteria(%) <br />' pg/L pg/L %Rec. %Rec. % RPD %Rec. % Rec. %RPD Low High <br /> TPH(btex)£ ND 60 95 97 2.05 104 98 6.18 70 130 <br />' MTBE ND 10 98.9 99.2 0.253 100 99 1.26 70 130 <br /> Benzene ND 10 106 105 1.17 107 107 0 70 130 <br /> Toluene ND t0 I10 108 1.90 104 103 1.16 70 130 <br />' Ethylbenzene ND i0 112 110 2.18 ill 109 2.41 70 130 <br /> Xylenes ND 30 110 110 0 100 100 0 70 130 <br />' %SS: 119 100 113 111 1.56 99.1 102 2.44 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 /> 1 <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboratory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br />' Deviation. <br /> %Reoovery=100.(MS-Sample)I(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%it: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 /> £TPFI(blex)=sum of BTEX areas from the FID. <br /> #Guttered 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.mairix or sample diluted due to high matrix or <br /> anal a content. <br /> 1 <br />