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j ye'• <br /> Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9133 ! <br /> 404 N.Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988.9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 92t-9600 FAX(916)921.0100 <br /> L <br /> ....................--------.---- - _........_...: :::.........................::- <br /> Enviros Client Proj. ID: Shell Stockton Sampled: 10/28/97 ;_ <br /> 1- 270 Perkins Ave. Sample Descript: SB-2-32.0 Received: 10/28/97 r° <br /> t T Sonoma, CA 95476 Matrix: SOLID Extracted: 11/03/97 ;I <br /> Analysis Method: 8015Mod/8020 Analyzed: 11/04/97 <br /> rM Attention:Tom Magnet'----_._.._.__..__Lab.Number: 971 OH60-03 _ _ _ _ _ _ _ _ _Reported: 11/06/97 .....M <br /> = __._.. _._:::.....__ ...... ....._...._......_.......::--::=.:...::._..:......:..........:......:�...........:........_......._ _......__......._._....._......__...._.....................__.._..:.._....-•-:=.:......_................:..:.:.::.:.:.:...:.............. <br /> QC Batch Number: GC110397BTEXEXA -- <br /> Instrument ID: GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with STEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPHas Gas .................... 5.0 .................... 47 <br /> Benzene 0.025 N.D. <br /> Toluene 0.025 N.D. <br /> Ethyl Benzene 0.025 N.D. <br /> Xylenes (Total) 0.025 N.D. <br /> Chromatogram Pattern: .................... .................... C9-C12 <br /> k <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 108 <br /> 4-Bromotluorobenzene 60 140 130 <br /> f <br /> 1 <br /> i <br /> f <br /> i <br /> 1 <br /> E <br />` Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> �Meegory _ <br />'� Project Manager Page: s <br />