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Entech Analytical Labs,Inc. 525 Del Rey Avenue, Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMNIARY <br /> ' Volatile Organic Compounds <br /> Laboratory Control Sample <br /> QC Batch#: WMS2001006 Date analyzed: 10/06/00 <br /> Matrix: Liquid Spiked Sample: Blank Spike <br /> Units: µg/L <br /> ' PARAMETER Method# SA SR SP SP SPD SPD RPD QC LIMITS <br /> tag/L Ftg/L lag/ %R pglL %R RPD %R <br /> l.t-Dichloroethene 8240/8260 ; 40 ND 40.8 IO2 ; 42 104 ; 2.2 ; 25 50-150 <br /> ' ;Benzene 8240/8260 40 ND 40.5 101 ; 41.2 117 14.6 25 50-150 <br /> ,Trichloroethene 8240/8260 40 ND 45.2 113 47 ; 108 4.9 25 ; .50-150 ; <br /> Toluene 8240/8260 40 1 ND 40.8 102 1 43 110 7.3 25 50-150 <br /> 1 1 <br /> ' <br /> ' 8240/8260 40 ND 41.5 1 104 110 5.6 25 i 50-150 l 44 lChlorobenzene l , <br /> i i i i i <br /> ;Dibromotluoromethane 8240/8260 104% ; 107% ; 102% ; 65-135 ; <br /> :Toluene-d8 8290/8260 , 124% 11$% 118% 11 <br /> i 65-135 <br /> i i ' 65-1354-Bromofluorobenzene , 8240/8260 88/ 108/ 117/; ;i <br /> ; <br /> Definition of Terms: <br /> 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 />