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4 <br /> 4FI"iYUCal Laboratory CERTIFICATE OF ANALYSIS <br /> lVednesday,September 04,2002 <br /> TO: Mike Luksic <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: 16491-02 Sample Type: Grab <br /> Sample Description: Monitoring Well 3-2 Project Name: N/A <br /> Date/Time Sampled. 8/20/2002 10:05:00 AM Sample Matrix: Ground Watef <br /> ANAL YTICAL RES UL T I QA/ g <br /> QC REPORT <br /> Date .�,�w� <br /> 7 LCS Spike MS Spike <br /> Parameter Method <br /> iTest Pata � �.DLR Unit Result �Analyzed Blank ° Cone. MS% MSD RSD <br /> � .� y cone Lcsi <br /> Benzene EPA 8260E 0.5 ug1L rv,ry 162 ��20-Aug-02 ND 8 102.9% 8 101.3% 102 5% 0 3% <br /> _ <br /> . _._. <br /> toluene EPA 82608 0 5 ug1L 480 20-Aug-02 ND 8 107.5% 8 102 5% 105.0% 0,6% <br /> Ethylbenzene EPA 8260E 0.5 ug1L 210 20-Aug-02 ND 8 102.9% 8 102".5% 1D0 0% 0.6% <br /> X iene mEPA 8260E 0.5 ug/L 550 20 Aug D2 ND 16 105.3% 96 106 3% 103.1%mm 0.7%~ <br /> *� m,P y <br /> o Xyiene EPA 8260B 0.5 ug/L 250 2D Aug-02 ND 8 104.3%. 7,__ -. 8 - 102.5%..--­-106,3%- °m T <br /> —_ <br /> .TPH-Gas EPA 8015M/LUFT 50 ug/L 6925 2D Aug-02 ND 500 1Q8.0% 500 110.Q% 104 0% ,„D,4% ” <br /> ..-_ <br /> a <br /> mq/L=,»illigra»rs per Liter-=ppm RSD-represetrt rernlive per'cerrl different(RPU)bel,rcar rhrplicares spike of_cau,ples <br /> ug/L —lodcrogranr.s per Liter=pp5 Or Duplicate of Sample <br /> RE C LILLY I D, MSIJUSD-rrreasure of the percent recovery efcievcies within the rrratr-r:x <br /> C=Composite G=Gr-ab <br /> _ LCS-measure of the percent recover+of the Laborarort Control'Spike(LCS) <br /> l <br /> ,I tathart Hao Le, Laboratory Director DLR-Detection Limit for the Purpose of Reporting. Gcccpriaxr!srunple <br /> matrices or interfereneces cony resrrlr in higher•detection lirr,ics <br /> '.i <br /> a.4 <br /> F a <br /> y ay <br /> ti. <br /> :7. <br /> ira,rmcnralrrurecrior :taent:�141 'rr�T, Cleve land,'&tv,r$klit r�,rl�ptbCS!}Qt�i6inr r W`852�04eY a al rl,( 091 462-0892 Fax: 12491 4F2-79gS Pate r arr <br />