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'16 <br /> tech Analytical Labs,Inc. 525 Del Rey Avenue,Suite E <br /> Sunnyvale,CA 94086 <br /> QUALITY CONTROL RESULTS SUMMARY <br /> METHOD:Gas Chromatography <br /> Laboratory Control Sample <br /> ' QC Batch#: WGC4000619 Date Analyzed: 06/19/00 <br /> Matrix: Liquid Quality Control Sample: Blank Spike <br /> Units: ug/Liter <br /> PARAMETER Method# MB SA SR SP SP SPD SPD % QC LIMITS <br /> µg/Liter ug/Liter ug/Liter µgiLiter % R ug/Liter %R RPD RPD %R <br /> Benzene ? 8020 1 <0.50 4.7 ND 5.1 108 4.2 1 88 20.0 25 1 70-130 <br /> Toluene 8020 < 1 1 ' <br /> 0.50 29 ND 31 106 30 104 2.5 25 70-130 <br /> , , <br /> 0.i 25 70-130 <br /> Ethyl Benzene I 8020 <0.50 ,. 5.6 ND 5.5 99 5.5 99 <br /> 'Xylenes 8020 <0.50 € 32 1 ND 1 ' 25 70-130 <br /> , � 33 101 �2 100 1.3 <br /> :Gasoline 8015 <50.0 469 1 ND 1 463 99 459 I 98 1 1.0 1 25 70-130 <br /> ;aaa-TFT(S.S.)-FID ; 8020 ; 109% 102% 109% 65-135 <br /> ;aaa-TFT(S.S.)-PID 8015 99% 95% 97% 65-135 <br /> w <br /> ition of Terms: <br /> na: Not Analyzed in QC batch <br /> MB: Method Blank <br /> SA: Spike Added <br /> 1 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%Recovery <br /> nc: Not Calculated <br />