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1 <br /> 4 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-9133 <br /> Sequoia <br /> ! N <br /> 404 -Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(5lo)988-9673 <br /> Y�+ 819 Striker Avenue,Suite B Sacramento,CA 95834 (916) 921.9600 FAX(916)921-0100 <br /> Analytical <br /> t, -w ...... :-•:::...: ::-:::::::: <br /> ~— : Sampled: 1 Q/~.28/~ <br /> 97Enviros D': Shell Stockton <br /> 270 Perkins Ave. Sample Descript: SB-1-24 Received: 10/28/97 <br /> Sonoma, CA 95476 Matrix: SOLID Extracted: 11/03/97 <br /> Analysis Method: 8015Mod/8020 Analyzed: 11/03/97 <br /> I Attention:To Ma ne Lab Number: 971OH60-01 Reported. 11/06197_ <br /> Y__.._...._._.._.._.._.._. ....._....._......._.....—__...._ ......_....---......... <br /> .........._........_.....__._.....- -.._...._..----......_........-- ..........._._.._.......__......_...._....._...__......... <br /> :::::__-::_..........._._..._.. ........._.................._. ........_._ _.....-..................-...__............... ... ............ <br /> QC Batch Number: GC1103971BTEXEXA <br /> Instrument 1D: GCHP22 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg m9/K9 . <br /> TPPH as Gas 1.0 N.D. <br /> i` Benzene 0.0050 N.D. j <br /> Toluene 0.0050 N.D. <br /> Ethyl Benzene 0.0050 N.D. <br /> Xylenes (Total) 0.0050 N.D. <br /> Chromatogram Pattern: <br /> Surrogates Control Limits% % Recovery <br /> Trifiuorotoluene 70 130 97 <br /> 4-Bromofluorobenzene 60 140 109 <br /> i <br /> i . <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> a <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> _4- <br /> -ory <br /> Project Manager Page: 2 <br /> :4 <br />