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. Entech Analytical Labs,Inc. 525 Dei Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> METHOD Gas Chromatography-Volatile Organics <br /> QC Batch# VOCW970213 Date Analyzed 02/13/97 <br /> Matrix Water Quality Control Sample D3089 <br /> Units <br /> QC LIMITS <br /> PARAMETER Method# SA SR SP SP SPD SPD RPD (ADVISORY) <br /> Eg/L % R 1 I %R RPD i %R <br /> iSenzene 1 602 1 401 ND1, 40 01 1001 40 41 1011 1 01 25 1 50-150 i <br /> [Chlorobenzene i 601 1, 401, ND, 44 21 1111, 43 21 1081, 2 3, 25 t 50-150 1, <br /> 1, oroei <br /> 1,1-Dichlthane ' 601 t 401,[ ND: 38 11,i 951,1 3751, 941,i 16't 25 ' 50-150 [ <br /> [ 1 1 i <br /> iTolulene 1, 602 [ 401 NDi 40 OL 1001 40 51 1011 121 25 1 50-150 1 <br /> 1 t [ <br /> ,Trichloroethene [ 601 [ 401,t NDt[ 43 4[[ 1091,[ 45 71 114[t 5 2[ 25 1, 50-150 [ <br /> L i i i 1 i i t <br /> s <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 />