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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650) 364-9600 FAX(650)364-.9233 <br /> 1) 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 %73 <br /> r�1 Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)925 0100 <br /> Enviros Client Proj IID Shell 6131�Pacific, Stock 6-6-- Sampled 09/16/97 <br /> 270 Perkins Ave Sample Descnpt MW-6-15' Received 09/19/97 <br /> Sonoma, CA 95476 Matrix SOLID Extracted 09/25/97 <br /> Analysis Method 8015Mod/8020 Analyzed 09/29/97 <br /> —,,Attention J-Gaarder— ___ -Lab Number-9709C09-07—= ==---Reported_10f03j97 --� <br /> _ Z-=:' T� - <br /> OC Batch Number-GC09297BTEXEXB -- - — <br /> Instrument ID GCHP22 - <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas 1 0 N D <br /> Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene - 00050 N D <br /> Xylenes (Total) 00050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 100 <br /> 4-Bromofluorobenzene 60 140 91 <br /> K <br /> Analytes reported as N D were not present above the stated limit of detection <br /> I- SEQUOIA ANALYTICAL - ELAP #1210 <br /> Mike Gregory <br /> Project Manager Page 21 <br />