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Sequoia 885 JarvisDrive <br /> Morgan Hill,CA 95D37 <br /> A (408} 776-9600 <br /> nalytical <br /> Fax (408) 782-6308 <br /> is <br /> Blame Tech ServtCcs(Shell) Project Equi%a Sampled 10/28/99 <br /> 1680 Rogers Avenue Project Number 2575 Country Club Stockton RelelVed 10/29/99 <br /> San Jose CA 95112 Project Manager 1 eah Da is Reported 12/3/99 <br /> V-olatile_4rgantc Oxygenated Compounds by_EP-A-Method8260A/Quality_Control <br /> Sequoia Analytical-San Carlos <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Re ult Units Recov Limits % Limit % Notes* <br /> LCS 9110038-BSI <br /> Methyl tert-butyl ether __ _ _ 11/5/99 500 4' 7 ug'l 70 0 130 87 4 <br /> Szzrrogate 1 2-Drchloroethane-d-1 5-13-0- ,t_6 11760-114 912 <br /> LCS 9110038-BS2 <br /> M_ethvl tert-butyl ether _ 11/719_9 500 403 ug/1 700-130 806 <br /> Surrogate 1 2-Drchloroethane-d4 500 440 760-114 880 <br /> _Matrix Spike 9110038-MSI M910AAU-13 <br /> Methyl tert-but)] ether 11/5/99 500 ND 41 6 ug/I 600-140 832 <br /> Surrogate ' 2 Drcldoroethane-d4 sn n 1 F 6 " 760-114 892 <br /> Matrix Spike Dup 9110038-MSD1 M910AAU-13 <br /> Methvl tert-butyl ether 1 1/5799 500 ND 43 l usJl 600-140 $62 25 0 354 <br /> Surrogate 17_-DJCIIIorOet'7ane-dd 131)l3 45 2 1 76 n-1,4 904 • <br /> Batch 9110049 Date Prepared 1„1/8/99 Extraction Method EPA 5030B IP/TJ <br /> Blank 91 10049-BLK1 <br /> Ethanol 11/8/99 ND ug/l 1000 <br /> TTert=butyl a'Lohol --- -- ---- ND --"�- - — - --200 <br /> Methyl tert-but}I ether ND 200 <br /> Di-isopropyl ether ND 200 <br /> Ethvl tort-butyl ether ND 200 <br /> Tert-amvl methyl ether _ _ _ ND 200 <br /> Surrogate 12-Drchloroethane-d4 500 438 760-114 876 <br /> Blank 9110049-BLK2 <br /> Ethanol 11/9/90 ND ug/l 1000 <br /> Tort-butyl alcohol ND 200 <br /> Methyl tort-butyl ether ND 200 <br /> — -Di=isopropyl ether- — -- ---- --"--- -- ——ND--" --2 00— — — <br /> Ethyl tert-butyl other ND 200 <br /> 1ert-amyl mith,,I ether___ _ _” _ ND 2 00 <br /> Surrogate 12-Drchloroethane-d l — - 50 n 43 8 76 0-1 14 $7 b <br /> LCS 9110049-BSI <br /> Methyl tert-butyl ether _ 11/8/99 500 43 8 ug/I 70 0-1 30 876 <br /> Surrogate 1 2-Drchloroethane-d4 500 440 760-114 380 <br /> LCS 91 10049-BS2 <br /> Methyl tert-butyl ether 11/9/99 100 41 0 ug/I 700-130 410 <br /> 'nw r at rote 1 2-I)rchIm oc than(,-d4 i0 0 ! n 76 0-1 14 900 <br /> SequoiaAnal)ttcal - Morgan hill *Rcfu to erad of report for tctf of notes aeul dejIMIrvtts <br /> p P ice 23 of 25 <br />