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- SegLloia 680 Chnip�ake I)tive Redwood City CA 94063 (415) 304 9600 W<(415} 364 9233 <br /> 404 N Wige(I anc Walnut Check CA 94598 (5 10) 934 7600 FAX(5t0)994 903 <br /> Analytical 819 Strikcr Avcnuc SurtC 8 Stcnmento CA 95834 (916) 921 9600 FAX(916)921 01061 <br /> Environmental Resolutions Client Prol ID Unocal 5886 205503 Sampled 04/15/97 <br /> 74 Digital Drive Suite 6 Sample Descript S 6 0 64 ReCeived 04/18/97 <br /> Novato CA 94949 Matrix SOLID Extracted 05/01/97 <br /> Analysis Method 8015NIod/8020 Analyzed 05/01/97 <br /> Attention Keith Romstad Lab Number 9704614 01 Reported 05/01/97 <br /> OC Batch Number GCO50197BTEXEXA <br /> Instrument ID GCHPOI <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyse 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 /> Tnfluorotoluene 70 130 83 <br /> 4 Bromofluorobenzene 60 140 64 <br /> i <br /> D <br /> �nqlrff <br /> SAY 8 1997 <br /> Analytes reported as N D ere not present above the stated limit e°de,ection <br /> SEQUOIA ANALYTICAL - ELAP #11210 <br /> In Follett <br /> rolect Manager Pae <br /> 9 <br />