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MMMM rntKOZOOH <br /> sir <br /> t IN W H QO- r-C H CERTIFICATE OF ANALYSIS <br /> 0A,ZnalyfferalLabaratary <br /> Wednesday,Deeeinher 04,2002 <br /> TO. Mike Luks►c <br /> Port of Stockton <br /> 2201 W Washington St <br /> Stockton CA 95203 <br /> Aromatic Compound in Gasoline by GC/MS <br /> Sample Information <br /> Sample ID 18737-03 Sample Type Grab <br /> Sample Description. MW 3-3 Project Name. NIA <br /> Date/Time Sampled 11/25/2002 10 45 00 AM Sample Matrix Surface Water <br /> ANALYTICAL RESULT QA/QC REPORT <br /> I Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Conc LCS% Cone. MS% MSD RSD <br /> Benzene EPA 8260B 05 uglL 12 26-Nov-02 _ND 8 1100% 8 1063% 1013% 12% <br /> 1 Toluene EPA 82606 05 uglL 110 26-Nov-02 ND 8 1063% 8 1013% 1025% 03% <br /> Ethylbenzene EPA 82606 05 uglL 47 26-Nov-02 ND - --8- 1125% 8 1063% 1050% 03% <br /> m,p-Xylene EPA 8260B 05 ug/L 124 26-Nov-02 ND 16 1063% 16 988% 1063% 18% <br /> o-Xylene EPA 82608— 05 _ ug1L 57 26-Nov-02 ND 8 1045% 8 1050% 1025% 06% <br /> TPH-Gas EPA 8015M/LUFT 50 uglL 1540 26-Nov-02 ND 500 1080% 500 1000% 1020% 05% <br /> mg/L=milligi ams per Liter=ppm RSD-rep esent relative percent differ ent(RPD)between duplicates spike of samples <br /> ug/L=micrograms per Liter=ppb or Duplrcnte of Sample <br /> Voinalhian <br /> FULLY U IT D, HSINfSD-nteasure of the percent recovery efficiencies walim the matrix <br /> C=Composite G=Grab <br /> LCS-nteasure of the percent recovery of the Laboratory Control Spike(LCS) <br /> Hao V Le,Laboratory Director DLR-Detection Lrmit for the Purpose of Reporting Lxceptional smnple <br /> matrices or rnterfereneces nray result in higher detection hnnts <br /> cc <br /> EPA EntiaainrerurrlProtecttonAgenc5rWEY CIevelanCfItfa�tjgLVet*°d& (I r{r��;°'� 4i� ��r�te"n� �t1� 9) 462-0$92 Fax (2091 462-7935 Page 7 of <br />