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' MAR -122 ' 01 10 : 48 FROM GEWER RYAN TO 191f 10490 PAGE . 015i017 <br /> Sequoia aoa N..Wgct Lane <br /> CA <br /> Walnut Creek.CA 94599 <br /> (925)9W-96pp <br /> FAX(925)988-4673 <br /> 40 Analytical %www-%cquoialabs.com <br /> Get(ler Ryat1_ Ing. -Dublin Project. Chevron <br /> 6'47 Sims Court Sui1c l Project Ntuinbcr: Chevron tl 9-427 Reported: <br /> !)uhlin CA.')3�f;fi Project Manager: De&nula L.Hardin" I S-Mar-111 1():45 <br /> Volatile Organic Compounds by EPA Method 9260E - Quality Control <br /> Sequoia Analytical - Walnut Creek <br /> R.poning Spire Saur.:c Yopt,c 12Y1] <br /> nnalvtr Rcsult Limit (fans Navel Rcsult 9/,n1ZFC Ltmiti RPI) Limit Nott= <br /> Batch 1005/113- EPA 50308(PIT) <br /> Blank(1C05013-BLKI) Prepared Anrslyccd: 02 <br /> SEI] ..fou----- u,.,l ...-- ------- <br /> Iert-Butyl alcohol ND 50 <br /> %J-11Yl terOwtYl ether N13 2.(j <br /> Di.isupropyl ether ND 2.0 <br /> Ethyl tort-huLvI athor ND „b <br /> lent-:�rny(en th:!cth.:r Intl] 2_fi <br /> l:2-TNeclrloroch=c ND 2.0 <br /> F:rhvlcrtu,lihromidc ND 2,U <br /> Sr.rngale:Uibrornufluuruu.�<rhts»u 53.1J 50.[J 104 50-150 — <br /> tixrraXa[r: !,3-J�ichlurz�ctfu»e-d4 49.0 50.0 980 5!J-IJO <br /> Blank(1 C05013-15LK:) Prepared&Analyzed: 06-Mar-01 <br /> t th�.1o1 ND 500 u5/l <br /> tyl al.:ohol ND Sp <br /> tut-butyl ether ND 2.0 <br /> Di-i:oprapyl ether ND 2.0 •• <br /> Ethyl tort-butyl ctlu:r ND 2.0 <br /> tart-.unyl mcthvl cthcr Nil 2.0 <br /> jI,2-I]i�hlGrlq[th:trle ND 20 •• <br /> Ethylene dihramide NI) 2.(I <br /> tik.rt{nte:Dibrarnrfluarnm�-thu..� ----- 33.0 .. 50.0 lOb S[+-150 -- -- <br /> Surragale: I.2-Dichlur�theme-d4 49.0 50.0 940 RLISO <br /> LCS(I C05013-BS 1) —_« Prepared&Analyzed:02-Mar-)1 <br /> �lcthyl tart-htnyl:altar 48.3 2.0 utfl 50.(3 96.6 <br /> SurrnXrjrr;Dibrornofluoro.rrerhone 51.0 SO.0 <br /> 102 56-150 - --- <br /> Sm-roXcrlr.' 1.3-I)ic7d�rrctJvr. -d4 dJ.0 50.0 *18.0 50.150 <br /> Sequoia Analytical -Walnut:Creek 'lhe re-5mlfe in lhi.s repprl apply la rhe_ramp&.s anal>rzed in accordance with thr chain of <br /> crstady ducrrmem. This unulylical report must be nf'eoduced in its enlirery. <br /> Page 12 of 14 <br />