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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> °MGCampbell Analytical Inc. Telephone:925-798-1620 Fax:925-798-1622 <br /> httpJ/www.mccamphell.com E-mail:main@mccampbeil.com <br /> QC SUMMARY REPORT FOR SW8260B <br /> ' IIS <br /> Matrix: W WorkOrder. 0212434 <br /> EPA Method: SW8260B Extraction: SW5030B BatchlD:5469 Spiked Sample ID:. NIA <br /> Sample Spiked MS' MSD' MS-MSD' LCS LCSD LCS-LCSD Acceptance Criteria(°�) <br /> Compound - <br /> I ' pg/L NglL %Ree. %Rec. %RPD %Rec. %Rea. %RPD+ Low High <br /> Benzene N/A 10 N/A NIA N/A 101 102 1.15 70 130 <br /> Methyl-t-butyl ether(MTBE) N/A 10 NIA N/A N/A 97.2 99.4 2.21 70 130 <br /> ' Toluene N/A 10 N/A N/A NIA Ito 112 1.83 70 130 <br /> %SSI: N/A 100 NIA N/A NIA 71.7 71.8 0.143 70 130 <br /> %SS2: NIA 100 NIA N/A N/A 107 106 0.873 70 130 <br /> %S83: NIA 100 N/A N/A NIA 110 109 0.840 70 130 <br /> All target compounds in the Method Blank of this extraction batch were ND less than the method R1,with the following exceptions: <br /> NONE <br /> 1 <br /> 1 <br /> I <br /> MS=Matrix Spike;MSD=Matrix Spike Duplicate;LCS=Laboretory Control Sample;LCSD=Laboratory Control Sample Duplicate;RPD=Relative Percent <br /> I ' Deviation. <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 /> analyte content. <br /> %Recovery=100'(MS-Sample)I(Amount Spiked);RPD=100.(MS—MSD)I(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 /> i <br />