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MEUZBOH <br /> ENW O— ECH CERTIFICATE OF ANALYSIS <br />_ "`� Analytical Laboratory <br />`4 11'edxesrlaj,November 10, 1999 <br /> " TO Jay Jahangird Mike Luksic <br /> tw Port of Stockton <br />'rt <br />�1 2201 W Washington St <br /> y , <br /> Stockton Ca 95205 <br /> r4 <br /> ' Sample Information <br />< ~ Sample ID. PE6255-05 Sample Type Grab <br /> Sample Description MW3-3 Project Name Monitoring Well <br /> DateJTinie Sampled 10/22/99 3 00 00 PM Sample Matrix. Ground Water i <br /> ANALYTICAL RESULT QAIQC REPORT <br /> jr� www—rn� r —�va <br /> ` Date LCS Spike MS Spike <br />` Test Parameter Method DLR Unit Result Analyzed Blank Cpiic LCS% Cone MS% MSD RSD <br /> s TPH-Gasoline EPA 8015M/DHS 50 uglL 7220 25-Oct-99 ND 1000 1080% 1000 1080% 1058% 05% <br /> ! Methyl t-Butyl Ether(MtBE) EPA8260 05 uglL ND 25-Oct-99 ND 40 875% 40 875% 1050% 45% <br /> A4 <br /> x Benzene EPA 8260 05 ug/L 207 25-Oct-99 ND 40 950% 40 1375% 1400% 05% <br /> Toluene EPA 8260 05 uglL 680 25-Oct-99 ND 40 950% 40 1200% 1300% 20% <br /> U' <br /> fs Ethylbenzene EPA 8260 05 ug1L 221 25-Oct-99 ND 40 875% 40 1025% 1200% 39% <br /> Xylene(Total) EPA 8260 05 uglL 1360 25-Oct-99 ND 80 938% 80 1438% 1563% 21% <br /> reg/L=n,rlhgrams per Later=ppm DI R-Detection Lrnrrt jar the purpose of Reporting RSI) reprewni r elate e perc(m different fl?PD)behr eery duplicates spike of samples <br /> r uglL=inicrograms per Lrier=ppb Exceptional sample main ices or rnterfeteneces pray result in or Duphcale of Sawple <br /> higher defection hrnrls AIS/h ISD nreasurc of the percent recover) of ciencies a tt m the mama <br /> C=Composite G=Grub • <br />` + I CS-measure of the percent recover) of the Laborcrtoiy Control Spnke(LCS) <br />.� RE TF U ITTED, <br /> Jonathan Hao V Le, Laboratory Director <br /> A <br /> sac q <br /> v a. <br /> EPA Environmental Protection Agency Alethod Page I of 1 <br /> SAt-Standard,tlethodforEraantnatroa6460E r s��r}dfli` !t§,� Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />