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Enteeh Analytical Labs, Inc. 525 Del Rey Avenue, Suite E <br /> Sunnyvale, CA 94086 <br /> ' QUALITY CONTROL RESULTS SUMIYIARY <br /> METHOD: Gas Chromatography <br /> 1 QC Batch#: GBG5970519 Date Analyzed: 05/19/97 <br /> Matrix:Water Quality Control Sample: Blank Spike <br /> Units: µg/L <br /> ' QC LIMITS <br /> RAMETER Method# MB SA SR SP SP SPD SPD RPD <br /> PA (ADVISORY} <br /> ug/L feg/L ftglL ftg/L %R <br /> lig/L %R RPD r %R <br /> ' (Benzene I 8020 I <0.5 I 25 I 0.0 r 28 I 112 1 25 I 100 I 11.3 1 25 I 50-150 I <br /> Toluene i 8020 i <0.5 1125 E 0.0 26 104 { 26 104 i 0.0 i 25 i 50-150 <br /> Ethyl Benzene I 8020 I <0.5 1 25 I 0.0 I 25 I 100 I 25 1 100 I 0.0 I 25 1 I 50-150 <br /> XyI <br /> ' I I I I 1 I 1 I E C I <br /> lenes I -8020 I <O.S I 75 I 0.0 I 77 I 103 1 76 r 101 I 1.3 I 25 I 50-150 I <br /> Gasoline I 8015 I <50.0 1 625 I 0 I I I I I I I I <br /> I I I 1 r 661 I 106 I 656 I 105 I 0.$ I 25 1 50-150 I <br /> 1 <br /> 1 <br /> -10finition of Terms: <br /> na: Not Analyzed in QC batch <br /> MB: Method Blank <br /> ' SA: Spike Added <br /> SR: Sample Result <br /> RFD(%):Duplicate Analysis-Relative Percent Difference <br /> ' SP: Spike Result <br /> SP (%R): Spike % Recovery <br /> SPD: Spike Duplicate Result <br /> ' SPD (%R):Spike % Recovery <br /> NC: Not Calculated <br /> 1 <br /> 1 <br /> i <br /> 1 <br /> 1 <br /> i <br />