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Sequoia 680 Chesapeake Drive Redwood City Ca 94063 (650) 364 9600 FAX(650)364 9133 <br /> 404 N Wiget Lane Wa(nut Creek CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> �rill>� Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 92t 9600 FAX(916)921-0100 <br /> Gettler Ryan/Geostrategles Client Prol ID Former Unocal 280054 85 W Sampled 03/06/98 <br /> Received 03/06/98 <br /> 6747 Sierra Court Suite J Sample Descnpt MW-9 <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 03/10/98 <br /> Attention Deanna Harding - Laky Number 9803391-10 _ µX�__Rejppged_03JI8198 ` <br />)C Batch Number GC031098BTEX02A <br /> nstrument ID GCHP2 <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 <br /> 050 N D <br /> 0 50 N D <br /> Ethyl Benzene <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 30 89 <br /> is <br /> Analytes reported as N D were not present above the stated 1Umtt of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> r ory <br /> Project Manager nage 10 <br />