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' Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 96W FAX(415) 364-9233 <br /> rV^ 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988-9673 <br /> 16V Analytical 819 Sinker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> - _-- - - - --- --- -- --- <br /> TM7 <br /> EA Engineering Science&TechyY Client Proi ID Exxon 7-3942/51539421307 Sampled—04/18/96 y�w <br /> 3468 Mt Diablo Blvd Ste B100 Sample Descnpt 3942MW13PP Received 04/19/96 3 <br /> Lafayette, CA 94549 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 04/24/96 µ <br /> Attention Marla_Gue_nsler _Lab Number 9fiO4E22-15 <br /> Reported05/10/96 <br /> nC Batch Number�GC042496BTEMOA - <br /> strument 10 GCHP20 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 050 N D <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 94 <br /> 1 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> LE OIA AN - ELAP #1210 <br /> ollett <br /> roiect Manager Page t6 <br />