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mmm MM MM = = 9 MM <br /> 63 [r-H 1W 0-Tr(zH CERTIFICATE OF ANALYSIS <br /> rnrcosoolm <br /> , rralytical Laboratory Monday,August 27,2001 <br /> TO- John Terayskis <br /> WGR Southwest, Inc <br /> 315 W Pine Street,Suite 1A <br /> Lodi CA 95240 <br /> Sample Information <br /> Sample ID: PEI 2684-02 Sample Type: Grab <br /> Sample Description- MW 3-2 Project Name: Port Of Stockton UST Site#3 <br /> DatelTime Sampled: 08/22/20019 00 00 AM Sample Matrix: Monitoring Water <br /> ANAL YTICAL RES UL T QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result ,Analyzed Blank Conc. LCS% Conn MS% MSD RSD <br /> TPH-GOsolane EPA 8015MIDHS—750 Ug/L 5290~ 22-Aug-01 {VD 500 960% 500 980% 1020% 10% <br /> Benzene -- EPA 8260M y _~ 05 ug/L —44 - -s, 22-Aug-014 ND 316 1000% 16 944% 1000% 14%_ <br /> ws <br /> f µ <br /> Toluene EPA 8260M r„0 5 ug/L 490 22-Aug-01 ND 16 r� 105 6%�r�-16 THy v <br /> 105 6% 99 4% 15% <br /> Ethylbenzene r p r y EPA 8260M 05 ug/L 170f Y � 22-Aug-01 ND r 3 16 T u 913% 16 930% s. 938% d W 02% <br /> Xylene(Tota1) a_ T- -4� EPA 8260M �--0-5-' _ ug/L r — 600-�F ry -_ I'— 22-Aug-01 µ ND T a 32 v� P i-0-07r. --22 91031% 1 <br /> w00 R. J 70 8%0�`° <br /> nig1l, milligrams per Liter=pprn RSD-represent relative percent different(RPD)benveen duplicates spike ofsantples <br /> ug/L=aucr ogr aius per Luer=ppb or Duplicate of Sample <br /> _.$.,� CTF`U ITTED, MS/MSD-measiae of the percent recovert,efficiencies within the mai ix <br /> a � C=Composite G=Grab <br /> e ✓ ",ctA- _ LCS-measure of the percent iecoiery of the Laboratory Control Spike(LCS) <br /> Jonathan Hao V Le,Laboratory Director DLR-Detection Lunnt for the Purpose of Repoi ting Exceptional sample <br /> rnatrices or mterfereneces may result to higher detection limits <br /> h <br /> EP 4-Environmental Protection Agency Method Page 1 of I <br /> SM-Standard Methodfoi Examination of Water Wastewater 181h Ed <br /> 545 E Cleveland St Suite A Stockton CA 95704 Tel (2091462-0899 Fay 19M AR9-7aqc; <br />