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Sequoia 680 Chesapeake Dnve Redwood City,CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(5 10)988-9673 <br /> %07 Analytical 819 Stnker Avenue,Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> Envlros _ Client Prol ID 'Shell 6131 Pacific,'Stockton Sampled»»07/02/97 <br /> 270 Perkins Ave Sample Descrlpt SB-2-36 5 Received 07/03/97 <br /> R Sonoma, CA 95476 Matrix SOLID Extracted 07/15/97 ;» <br /> Analysis Method 8015Mod/8020 Analyzed 07/15/97 c= <br /> Attention Joe Nem �- _ Lab Number »9707310-05 _ »--»----» »»-- -- - __ Reported 07f 18j97- <br /> » - <br /> OC Batch Number GC071597BTFJC-EXA» <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 10 N D <br /> Methyl t-Butyl Ether 0 025 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 /> Trlfluorotoluene 70 130 95 <br /> 4-Bromofluorobenzene 60 140 74 <br /> a <br /> Analytes reported as N D were not present aoove the stated limit of detection <br /> e <br /> SEQUOIA ANALYTICAL - ELAP 01210 <br /> Za-i i <br /> NjjjjG <br /> ct Manager Page s <br />