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- <br /> r-NWD IKO-TC CSI CERTIFICATE OF ANALYSIS <br /> Ari►a/ytIcal Laboratory Tltecda•l:,March 12, 2002 <br /> TO: William Little <br /> Advanced GeoEnvironmental <br /> p <br /> 837 Shaw Road <br /> Stockton CA 95215 <br /> Oxygenated Compound. by GCMS ` <br /> Sample Information <br /> Sample ID: 14494-03A Sample Type: Grab <br /> Sample Description: Tank#2 North End Project Name: .4040 E.Main ST. <br /> Date/Time Sampled: 3/6/2002 3:40:00 PM Sample Matrix: Sail <br /> ANAL YTICA.L.RE'SUL.T QA/QC REPORT <br /> Date LCS Spike MS Spike <br /> Test Parameter Method <br /> DLR Unit <br /> Result Analyzed Blank LCS% MS% MSD RSh <br /> Cone. Conte <br /> Methyl t-Butyl Ether(MtBE) EPA 8260B 5 ug/kg ND 08-Mar-02 ND 12.8 112.5% 12.8 117.2% 117.2% 0.01% <br /> 1614so roe._ le't er DIPE EPA8260B .5 _.._u ikg- ,.. ND 08-Ma "_ -_..,-'NDI' ..,._.. .3., ...,. _.,..._ ' ' 82-.9%-- <br /> P PY ( } •• ~- _ � 9 g r-02 ND 35 98.5% 35 82.9% O.D% <br /> Eth I-t-bu,.I ether ETBE EPA 82608 .. -.. . 5 u lk N6 .. 08-Mar-02" Np.. 35. ... 98.3% . 35: _:.,.1 .,.- .... <br /> Y tY ( 9 9 8.6% 108.6% 0.0% <br /> Tort-amyl meth ether AME EPA 82608 "...... :. ..:.: 5 ug/kg <br /> : ..., N6 48-Mar-02 , :.ND a5 _.. ,95.7%° , 35 w 100.2% 10 ,.:... .... . <br /> Y Yi (TAME) > 9 9 103.3% 0.8% <br /> t-Butanol(TBA) EPA 8260B 100 ug/kg ND 08 Mar-02 ND 100 110.0% 100 88.0% 86.0% 0.6% <br /> 1,2-Dichloroethane-l4(Surrogate) %Recovery 98°/, - <br /> 4-BFB-(Surrogate) %Recovery 94% <br /> m,q/l -mllligr oms per Liter -pprn RSD represem relative percent dt/fcrent(RPD)lretirecrt duplicenes spike of samples <br /> argt'L=nrirragr'ran.s per Liter=ppb or Duplicate ofSomple <br /> R C FULL MI TEDD blSIMSD-measure of the percent recorery cfjiriencies within the matrix <br /> C=C'ontparite C;=Garb <br /> LCS`-measure of the percent recovery of the Laboratory Control Spike(LCS) <br /> DLR-Deie[-tion Limit for lite Purpose ol•Reporting. Exceptional sample <br /> Jo tat;n Haa V Le, Laboratory Director rnak•ires or interfereneces may result in hither defection limits <br /> EP I--nVironmental Prolection Agcn[y hfethott. SAf-Standard Alethod fn•Examination of lVater_llasteutrter 18/h Ed Pa; l of 1 <br /> 545 E. Cleveland St. Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />