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VERM <br /> ��� �O_Tr_(CH CERTIFICATE OF ANALYSIS <br /> Analytical Laboratory <br /> Tuesdqj;Mirrelt 12, 2(X12 <br /> TO: William Little <br /> Advanced GeoEnvironmental <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> Oxygenated Compound by GCMS <br /> Sample Information <br /> Sample ID: 14494-04A Sample Type: Grab <br /> Sample Description: Tank#2 South End Project Name: 4040 E.Main ST. <br /> Date/Time Sampled: 3/6/2002 3:25:00 PM Sample Matrix: Soil <br /> ANALYTICAL RESULT i QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method DLR Unit Result Analyzed Blank Cone. LCS% Conc. MS% MSD RSD <br /> Methyl t Butyl Ether(MtBE) EPA 8260B 5 ug/kg NO 0S-Mar-02 ND 12.8 112-5% 12.8 117.2% 117.2% 0.0% <br /> DI-isopropyl ether tDIPE) EPA 8260B 5 ug/kg NO O8-Mar-02 ND 35 98.5% 35 82.9% 82.9% 0.0% <br /> Ethyl t-�utyl ether(ETBE) EPA 8260E 5 ug/kg NO 08-Mar-02 ND 35 98.3% 35 108.6% 108.6% 0.0% <br /> 3lk9 ..::.. <br /> Tett-amyl methyl ether(TAME) EPA 82608 5 u NO 08-Mar-02 ND 35 95 7% 35 100 2% 103 3% 0.8%11 -: <br /> t ButanoE(TB <br /> A) EPA 82606 100 ug/kg NO 0&Mar-02 ND 100 110.0% 100 88.0% 86.0% 0.6% d <br /> 1,2-Dlchloroethane-d4(Surrogate) %Recovery 105% <br /> 4-MB4Surrogate) %Recovery 104% ­­.. : , _,.. <br /> 0 <br /> nr r/L —milli rams Per Lite,=ppr>t RSO-rnErreserrt relatiic percent dtlf�renC fRPDf 2rctweerr duphcutes sptkc q(srurrpJcs <br /> L19/1,=micragrams per Liter=ppl� or Duphrole of Sample <br /> .R fFUL B TT ED, M&MSD-measure of the percent vero very efficiencies•within the matris <br /> C=Composilc� Ci Grab <br /> LCS•-nre'asure of Ifie percent recovery of the Laborakrry Control Spike(LCS) <br /> Jo Lathan Hao T: LL', I_aUDratoly Director DLR-Deleelion Limit for the Purpose of Reporting. F_Aceptional sample <br /> mairices or intelfererteces'May resT:ll in higher deleclion limits <br /> S <br /> E,Pfl-Environmental Proteciion Igency hfethaeL SA1:51and(ircl Afethodf)r I--row'Jurtion of Nater [�asici+alcr'18th I d. Page 1 of 1 <br /> 545 F. Cleveland St. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />