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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 Itglkg <br /> PARAMETER Method # SA SR SP SP SPD SPD RPD QC LIMITS <br /> Fig/kg µg/kg pg/kg %R lag/kg %R RPD %R <br /> 11,1-Dichlomethene 1 8240/8260 1 25 1 ND 28112 2$ lit ; 02 25 50-150 , <br /> 'Benzene 824018260 25 ND 27 107 27 1 107 05 25 50-150 <br /> 1Tnchloroethene 8240/8260 ; 25 ND 29 ; 117 28 II3 3 1 25 50-150 ; <br /> 1 1 1 F 1 1 1 1 I 1 i I <br /> Toluene I 8240/8260 1 25 I ND 29 116 1 29 1 116 1 02 1 25 1 50-150 1 <br /> 1Chloroenzene <br /> bI 8240/8260 1 25 1 ND 25 1 102 1 25 1 102 01 25 1 50-150 I <br /> ' 1 1 1 f <br /> 1 1 1 1 1 1 1 1 1 I <br /> 1 1 I 1 1 I 1 <br /> ISiirrogates 1 i i 1 I 1 I 1 <br /> 1 1 <br /> 1 I I 1 i 1 1 1 1 1 1 1 <br /> 107% <br /> [Toluene-d81 $240/8260 1 1 106% 1 1107% ; 1 1 i 65-135 <br /> 1Dibromofluoromethane 8240/8260 128% i 127% i 127% 1 65-135 <br /> 65-135 <br /> 14-Bromotluorobenzene 1 8240/8260 1 1 840''0 1 87% 1 1 87% I I 1 1 <br /> 11,2-Dichloroethane d4* 1 8240/8260 1 1 122% : 127% 1 121% 1 'f 1 i 65-135 1 <br /> 1 1 1 <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 /> 5P Spike Result <br /> SP (%R) Spike%Recovery <br /> SPD Spike Duplicate Result <br /> SPD (%R) Spike Duplicate%Recovery <br /> NC Not Calculated <br />