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CERTIFICATE 0FANALYSIS <br /> Analytical Laboratory <br /> Werlxesdny,Nauenrher 10, 1999 <br /> TO: Jay Jahangiri/Mike Luksic <br /> Port of Stockton <br /> 2201 W. Washington St. <br /> Stockton Ca. 95205 <br /> Sample hifornrrrlinn <br /> Sample ID: PE6255-03 Sample Type: Grab <br /> Sample Description: MW5-3 Project Name: Monitoring Well <br /> Date/Time Sampled. 10/22/99 2:20:00 PM <br /> �=�; P Sample Matrix: Ground Water <br /> ANALYTICAL RESULT --' QAIQC REPORT <br /> Date LCS Spike MS Spike <br /> ems' <br /> Test Parameter Mellrod DLR Unit Result Analyzer! Blank Conc. LCS% Cone. MS% MSD RSD <br /> TPH Gasoline EPA 8015M/DHS 50 ug/L ND 25-Oct-99 ND 1000 108.0% 1000 108.0% 105.8% 0.5% <br /> Methyl t-Butyl Ether(MtBE) EPA8260 - 0.5 ug/L - NO � 25-Oct-99 ND 40 87.5% 40 87.5% 105.0% 4.5% <br /> Benzene EPA 8260 0.5� ug/L ND 25-Oct-99 ND 40 95.0% 40 137.5% 140.0% 0.5% <br /> Toluene EPA 8260 0.5 ug/L ND 25-Oct-99 ND 40 95.0% 40 120.0% 130.0% 2.0% <br /> Ethylbenzene EPA 8260 0.5 Y ug/L ND - 25-Qct-99 ND 40 87.5% 40 102.5% 120.0% 3.9% <br /> Xylene(Total) EPA 8260 0.5 ug/L NO 25-Oct-99 ND 80 93.8% 80 143.8% 156.3% 2.1% <br /> nrgR.=nrilligranrs lwr Liter=ppm IN.R-De fec iton 1.iiia!for the Purpose of Rc pnriitrq. It.Sf?-represcvtt re/afn a percent different(Rl'D)benreerr drrp/icates spike of samples <br /> ug.11, micrograrres per liter-pph Exceptional sample nunrice.s or interfereneces twq result in or Duplicate of Sample <br /> C'=Composite G_Grab <br /> higher defection limits MV kISD-measure of the percent recovery efficienciesivilhin the umtrix <br /> .;q LCV-measure of fire percent recovery of the Laborator7r Control Spike(ICS) <br /> RES TFU ITTED, <br /> Jonathan Han V. Le, Lahoralory Director <br /> EN-rtivironmeonol Protection Agency Method. � T Page 1 of I <br /> 1'.Sl-,S7rnrrlarc/,4lefhrnl•frn I:.raminntiorc; kf<ir�*i 'CiriCYt lc111C]r 'l. Sitite A Stor,ktnn. CA Q.ri204 TPI.: (209) 462-11892 Fax: (20q) 4FP-7P'3q <br />