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.MRR-2--1398 15:38 <br /> P. 18/27 <br /> Sequoia 00 Chesapeake Dri,e Redwood Ciry,CA 94063 00) 364-9600 FAX(650)364-9233 <br /> 404 N.Wiyet Line Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> Analytical 819 Striker Avenue.SWte 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)931-0100 <br /> .. ,_- ulntnl�., nm - <br /> _.. ... ...._ 1n1.- nacc• . . . . <br /> _ATC Client Prol. ID. 15598, D'Arcy Road Lathrop Sampled: 03%25/98 <br /> 1260 Graphics Drive Sample Descript: DR-EB-14' Received: 03/26/98 <br /> Modesto, CA 95351-1502 Matrix: SOLID Extracted: 03/26/98 <br /> Analysis Method: 8015Mod/8020 Analyzed: 03/26/98 <br /> Attention Jeanne Homse tab Nurnber___9803H14 09 Reported_03,2 .98. <br /> ,::::,:• nm :- ' .:. Il�.aun... -.__. .._.:nmlP nn, uuutl.r nn..:,, i� <br /> TB....n11L..... ... ::I .';.uW: <br /> Q Batoh Number. GC0326986TEXEXC <br /> Instrument ID: GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 5.0 27 <br /> Methyl t-Butyl Ether .................... 0.12 0.41 <br /> Benzene ........ 0.025 0.041 <br /> Toluene 0.025 N.D. <br /> Ethyl Benzene 0.025 0.045 <br /> Xylenes (Total) .................... 0.025 0.34 <br /> Chromatogram Pattern: <br /> Gas&Unidentified HC .................... >C10 <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 111 <br /> 4-Bromotluorobenzene 60 140 290 <br /> Analytes reported as N.D.were not present above the stated limit of deteetlon. <br /> SEQUpIA ANALYTICAL - ELAP 01210 <br /> Project Manager Page: 17 <br />