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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCampbell Analytical hie. Telephone:925-798-1620 Fax:925-798-1622 <br /> Ihttp://viww,mccarriphell.com E-mail:tna' mccampbell.com <br /> 1 <br /> • QC SUMMARY REPORT FOR SW8021B/8015Cm <br /> I <br /> Matrix: W WorkOrder: 0306372 <br /> EPA Method: SW8021B18015Cm Extraction: SW5030B BatchlD:7415 Spiked Sample ID: 0306372-009A <br /> Sample Spiked MS" MSD' MS-MSD" LCS LCSD LCS-LCSD Acceptance Criteria(%) <br /> I VglL pglL %Rec. %Rec. %a RPD %Rec. % Rec. % RPD Low High <br /> TPH(btex)£ ND 60 97.1 96.9 0.120 100 101 0.779 70 130 <br /> MTBE ND 10 88.1 89.2 1.22 88.4 88.8 0.375 70 130 <br /> I' Benzene ND l0 93 95.8 3.01 92.8 95.8 3.24 70 130 <br /> Toluene ND 10 93.6 96.1 2.57 94.7 97.2 2.64 70 130 <br />' Ethylbenzene ND 10 92.4 93.2 0.892 93.7 96.8 3.29 70 130 <br /> Xytenes ND 30 91 91.3 0.366 95.3 99.3 4.11 70 130 <br /> %SS:� 87.9 100 88.4 90.4 2.34 1 88.3 91 3.08 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 /> 1 <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)!(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 />' 4 cluttered chromatogram;sample peak coelutes with surrogate peak. <br /> N/A=not enough sample to perforin 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 /> lanalyte content. <br />