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0 1 SegUola 680 Chesapeake t]nve Redwood City CA 94063 (4 15) 364 9600 FAX(415) 364 9233 <br /> 404 N Wiget Lane \Valnut Creek CA 94598 (5 10) 988 9600 FAX(5 10)938 9673 <br /> Analytical 819 Striker Avcnue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(`)16)921 0100 <br /> i • <br /> Environmental Resolutions Client Prol ID Unocal5886 205503 Sampled 04/15/97 <br /> 74 Digital Drive , Suite 6 Sample Descnpt S 5 5 B6 Received 04/18/97 <br /> Novato CA 94949 Matrix SOLID Extracted 05/02/97 <br /> Analysis Method 8015Mod 18020 Analyzed 05/02/97 <br /> Attention Keith Romstad Lab Number 9704G03-03 Reported 05/05/97 <br /> OC Batch Number GC050297BTEXEXA <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> mg/Kg m9/K9 <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 /> I <br /> Surrogates Control Limits % % Recover <br /> T,ifluorotoluene 70 130 88 <br /> 4 Bromofluorobenzene 60 140 84 <br /> I <br /> I <br /> i <br /> I <br /> I <br /> ^afytes reported as N D were not present above the stated lima of delection <br /> SEQUOIA ANALYTICAL - ELAP #!1210 <br /> in Follett <br /> olect Manager Page <br />