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[ IC�O�QiC�[ CD <br /> W <br /> l�nl l�1300 I�CQ LI i CER TIFICATE OF ANAL PSIS <br /> nalytica! Larbo►'atiory Tire_cday,March 12,2002 N <br /> CD <br /> TO: William Little m <br /> Advanced GeoEnvironmental <br /> 837 Shaw Road <br /> Stockton CA 95215 LO <br /> Aromatic Compound in Gasoline by GCIMS <br /> ' N <br /> Sample Information A <br /> Sample ID. 14494-05 Sample Type: Grab <br /> F- <br /> Sample Description: Tank#3 North End Project Name: 4040 E.Main ST. <br /> Date/Time Sampled. 3/612002 3:20:00 PM Sample Matrix: Soil 00 <br /> ANALYTICAL RESULT QA/QC REPORT <br /> " " Date LCS Spike MS Spike <br /> 'Test Parameter Method DLR Unit Result Analyzed Blank Conc. LCS% Conte MS% MSD RSD <br /> _ <br /> tienxsne EPA 82648 5 uglkg ND 08-Feb•-02 NO 12.8 90.0% 13 97:1.% 94.4% 0.7% <br /> Toluene EPA 82606 5 uglkg NO 08-Feb-02 NO 92.8 9D.0% 12-8 100.6% 100.0% 0.2% <br /> E&Mbenzene EPA 82806 5 ugrkg 80 08-Feb-02 NO 12.8 88.0% 12.8 109.49'° 95.296 3.5°/6 <br /> m,p-Xylene EPA 8260E 5 ug/kg 952 0B-Feb-02 NO 25.6 87.5% 25.8 - 97.296 97.7°r6 0.196 m <br /> o-Xylene EPA 8260B 5 ugtkg V 22 08-08NO 12.8. 89.5% 12.8 96.9% 98.0% 0.3°Io" -A <br /> 1,2-01chleroethane-d4(Surrogate) %Remvery 0°l0 <br /> 4-BFB-(5urrogaie} %Recovery 106% _ <br /> ntvJL=milfigrarns pct Lifer=ppm RSV-teore+eni relative percent d&,r tit(RPD)benrecn duyficeu s•syikc o(sa+nples <br /> agiL=rnrcr•ogrrans per Liter=ppb - <br /> S E TFU B IT7ED, or Drrpik-aff afSanrple <br /> .41SIAf D-ineasto-e of fhe perrenr recovery of ricnrres x ithin die Inefff iv <br /> t =Cunrpasifr G=Grab <br /> LCS-maasure rtf the percent recu vee}�ojtfie Laborator��Control Spike(L C.SJ <br /> DLR-Detection Limit fir the Pu+pase of Repureing. Exceptinnof s'n+npfe <br /> JO Jan Hao �:Le, Laboratory Director rnaire.ccs or interferenemy my rends in hrglic+r rteteciion limits <br /> D <br /> M <br /> EPA-E',tvimnrxentaf Protection.4geA,,y d9Pfhod- Sh4 Rondarrl Aiethod for kzi,niartffon of tratar Wastewater 18th Ed. Page 1 of 1 <br /> r;At^ C Cf Ci6f4m A Off%nrtnn I—h arOOA Tnt • find) dF'7_r%AQ9 Fav- 17C141 4R9-7 .25 <br />