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CERTIFICATE OF ANALYSIS <br /> Analytical I-abaratary Monday,March 0b,2000 <br /> TO Jay Jahangiri/Mike L uksic <br /> Port of Stockton <br /> 2201 W Washington St <br /> - Stockton Ca 95203 <br />! " Sample Information <br />` - Sample ID- PE7164-03 Sample Type Grab <br /> y� <br /> Sample Description. MW 3-3 Protect Name: Monitoring Well Site#3 <br /> DatelTime Sampled 02/08/2000 130 00 PM Sample Matrix- Ground Water <br /> ANALYTICAL RESULT QAIQCREPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Cone. LCS% Conc. MS% MSD RSD <br /> TPH-Gasoline EPA 8015M/DHS 50 uglL 4500 10-Feb-00 ND 500 960% 500 900% 960% 16% <br /> Benzene EPA 8260 05 uglL 150 10-Feb-00 ND 50 960% 50 960% 940% 05% <br /> f Y Toluene EPA 8260 05 ug/L 460 10-Feb-00 ND 50 900% 50 1100% 960% 34% <br /> Ethylbenzene EPA 8260 0 5 ug/L 180 10-Feb-00 ND 50 900% 50 900% 940% 11% <br /> z Xylene(Total) EPA 8260 05 ug/L 880 10-Feb-00 ND 110 909% 100 1100% 1050% 12% <br /> Ny <br /> mg1L=milligrams per Liter=pprn DLR-Detection Lrmu for the Purpose of Reporting RSD-represent relative percent dterent(RPD)between duplicates spike of samples <br /> t o <br /> uglL=micrograms per Liter=ppb Erceplional sample matrices or interferences may result in or Duplicate of Sample <br /> higher detection limits h4S/MSD-measure o the percent recovery efficiencies within the matrix <br /> C=Composite G=Grab f P i1' ,If <br /> 4 LCS-measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> - RESP FU ITTED, ` <br /> KM� <br /> r� <br /> Jonathan Hao V Le,Laboratory Director <br /> a <br /> G� <br /> EPA-Enwronniental Protection Agency Method Page I of I <br /> SAI-Standard Methodfor F-ramination ff4'e pr itefgV9fdAAF�t Suite A Stockton, CA 95204 Tel (209) 462-0892 Fax (209) 462-7935 <br />