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CERTIFICATE OF ANALYSIS <br /> (DAna/yt�ica/ Laboratory <br /> Wedneselav,November 10, 1999 <br /> TO: Jay JahangirU Mike Luksic <br /> Port of Stockton <br /> 2201 W. Washington St. <br /> Stockton Ca. 95205 <br /> Sample Irrforination <br /> Sample ID: PE6255-01 Sample Type: Grab <br />" .' Sample Description: M W5-2 Project Name: Monitoring Well <br /> Date/Time Sampled. 10/22/99 1:35:00 PM <br /> P Sample Matrix: Ground Water <br /> ANALYTICAL RESULT QAIQC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Cone. MS% MSD RSD <br /> TPH-Gasoline EPA 8015MIDHS 50 ug/L NO w 25-Oct-99 NO 1000 108.0% 1000 108.0% 105.8% 0.5% <br /> Methyl t-Butyl Ether(MtBE) EPA8260 0.5 ug1L NO 25-Oct-99 ND 40 87.5% 40 87.5% 105.0% 4.5% <br /> Benzene EPA 8260 0.5 ug/L NO 25-Oct-99 ND 40 95.0% 40 137.5% 140.0% 0.5% <br /> Toluene EPA 8260 0.5 �ug/L .__ NO 25-Oct-99 NO 40 95.0% 40 120.0% 130.0% 2.0% <br /> Ethylbenzene EPA 8260 0.5 ug1L NO 25-Oct-99 NO 40 87.5% 40 102.5% 120.0% 3.9% <br /> Xylene(Total) EPA 8260 0.5 ug1L NO 25-Oct-99 NO 80 93.8% 80 143.8% 156.3% 2.1% <br /> mg/l. =ind ftrarns per Liter=ppm MR-Detection limit for the Purpose of Reporrnrg. RSD-represent relative percent dr(ferew(RPD)between duplicates spike of samples <br /> u}/1.=micragrant.r per liter=pph fsceptional sample nullrtce.s orin'crfereneces may result inor buplivale ofSnmple <br /> lri cher detection limits <br /> ('-Composite Ci-Grrrh AR/A ISD-nrensirre of the percent recoseerf'efltriencics wilhim the mutrir <br /> (` <br /> LCJ-measure of the percent recovery of the Laboraloty Control Spike(LCS) <br /> TFU ITTED, <br /> Jonathan Hao V. Le, Laboratory Director <br /> 1 <br /> t !•:P.1-Environmental ProlectionAgenp-Method Page I of l <br /> S.11-. ta+mlrrrd.thtlrnrlfnrl:.v[7rmimallnrq,��;ap '0fAvcdrAh ,1M. Shite, A Stockton, CA Q5204 TPI.: (209) 492-0892 Fny- mo )) AA9-7G.'15 <br />