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Entech Analytical Labs,Inc. 525 Del Rey Avenue, Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> Volatile Organic Compounds <br /> Laboratory Control Sample <br /> QC Batch# SMS2000919B Date analyzed 09/19/00 <br /> Matrix Solid Spiked Sample Blank Spike <br /> Units pg/kg <br /> PARAMETER Method# SA SR SP SP SPD SPD RPD QC LIMITS <br /> }ug/kg µg/kg µg/kg %R µg/kg %R RPD %R <br /> 1 112 1 0 2 25 50-150 ' <br /> ;1,1-Dichloroethene 8240/8260 1 25 E ND 2$ lit , 28 , , , 1 ' <br /> 1 <br /> 1 ; t 1 25 50-150 <br /> ;Benzene ; 8240/$260 ; 25 ; ND 27 107 27 107 0 5 , <br /> 1 <br /> 8240/8260 25 ND 29 117 28 113 3 1 25 50-150 ; <br /> ;Trichloroethene 1 <br /> Toluene 8240/8260 1 25 ND ; 29 116 29 116 02 25 50-150 <br /> 1 <br /> ,'CWorobenzene 8240/8260 25 ND 25 j 102 25 102 01 25 1 50-150 <br /> t I I 1 ; ; k <br /> ;SurragateT 1 <br /> ',Toluene-d8 8240/8260 107% 106% 107% ; 65-I35 <br /> 1 ' <br /> �Dibromofluoromethane ; 8240/8260 128% 127% : 127% <br /> 65-135 <br /> 14-Biomofluombenzene 8240/8260 84% 87% 87% 65-135 <br /> w ° F o i 121% ' 65-135 <br /> 1,2-Dichloroethane-d4 ; 8240/8260 122/o , 127/o , , ; <br /> Calculated Recoveries Outside of Recovery Limits <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 /> NC Not Calculated <br />