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------------------------------------------------------------------------ <br />,, [s ES-ENGINEERING SCIENCE , INC. 600 Bancroft Way <br /> ---- _- - -_ -Berkeley____CA 94710. _ .., <br /> --------__-^---- ------------------------- <br /> QUALITY CONTROL RESULTS SUMMARY <br /> VOLATILE ORGANICS ANALYSIS <br /> ., METHOD 8015 <br /> PROJECT NAME;GREYHOUND STOCKTON <br /> Work Order No. : 4299 Date collected: 08/01/92 <br /> QC sample No. : SWDES920827A&B Date Extracted: 09/09/92 <br /> Matrix. WATER Date analyzed; 09/11/92 <br /> r it • 4w r „_ 3 .._ � .. a a- � 5., d:t 4 -' <br /> Units; mg/L Dilution factor i <br /> aaaaaaaara e7aaaaaaaaaaaaaace=aaaxszaaaaaaaaa aaaaca=aaaaaaaaaa=aarsaaaamaaaaa <br /> COMPOUND I I I I I I I IQC LIMITS <br /> I SA I SR I MS IMS I MSD (MSD IRPD I <br /> Img/L Img/L Img/L IPR Img/L IPR I IRPD I PR <br /> aamaaaaaQammoaeoaataeaaeaaaaaexaaaaaaoaaaaeaaaaeammaaaaaasx taaaaa=aeeaat�aaama <br /> I <br /> i~ DIESEL I 25 I ND 122 .0 I 88 123 . 2 193 16 125 150-150 <br /> I I I I I I 1 I 1 <br /> a s©a a a a a a a=m a a a a a=a a=a a a a ss=ata a a a a a a a a a=a a a a a g a o=a a a a a=a a a m a a a a sa a=a a a a a a a <br /> MS = Spike sample NC a Not calculated <br /> MSD = Spike sample duplicate <br /> SR = Sample result ** = Out of limits <br /> SA - Spike added <br /> RPD = 100 x (MS-MSD ) / ( (MS+MSD ) /2 ) <br /> PR = 100 x ( (MS or MSD ) - SR) /SA <br /> - ----------------- s - - <br /> ANALYSTQA. <br />