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Entech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA°94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> METHOD: Gas Chromatography-Volatile Organics <br /> l Laboratory Control Spikes <br /> QC Batch#: SVOC1000420 <br /> Date"Analyzed: 04/20/00 <br /> Matrix: Solid Quality Control Sample: Blank Spike <br /> Units: g/kg <br /> PARAMETER `. Method#; SA SR I SP. SP SPD i SPD. : RPD ~QC LMTS <br /> ! Ik /k Ik %R /k _ .%R:_ RPD %R <br /> ;Benzene . 8020 25 ND'.; 26 ; 103 25 1 101 ; 2.3 ; 25 ; .72-124 <br /> 'Chlorobenzene ; 8010 ; 25 ND 32 1 130 : 31 . ; 122 6.2 25 ; 67-141 <br /> 1,1-Dichloroetftane <br /> ' 8010 25 ; ND 25 100 23, 1 93 7,1 25 74-112 <br /> 1 :Toluene 8020 25 1 ND .28 . ; 110 27. ; .107 3.2 25 1 '65-123 <br /> :Trichloroethene ; 8010 25 ND 25 102 23. 92 9.4 ; 25 ; 65-135 <br /> 1'03/0 i <br /> ;Bromochloromethane 1 8010 ; ;` ° 101°/o 94%; ; 1 1 65-135 <br /> !Fluorobenzene 1 8020 1 1, 100% 99% ; i 99% 65-135 j <br /> L <br /> Definition of Terms: <br /> Ek na:Not-Analyzed in QC batch <br /> SA: Spike Added <br /> SR: Sample Result <br /> RPD(%): Duplicate Analysis-Relative:Percent Difference. . <br /> SP: Spike Result <br /> SP(%R): Spike%Recovery <br /> SPD: Spike Duplicate Result <br /> SPD(%R): Spike Duplicate%Recovery <br /> NC: Not Calculated <br /> f <br />