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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-%73 <br /> � Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAx(916)921-0100 <br /> 1455 McDowell Blvd North.Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> m " H i::'��s—s n—TT;i sT.....—.-sss-----— r""—'.:::"':: ^sss_: __----iy s iss',r <br /> msss s1-'Wum n ""' "' _ s r=-»»••»... .... .... .._—__..,....._.....ss. _— _ s =_ s:'I <br /> s= n».. _ss.ss.ss—�.»sss.»»—w:.......�—asa___�: s..».». .. s _ <br /> Gettler Ryan[Geostrategies Client Prol ID Former Unocal SS#0187 -^ — Sampled 11/10/98» <br /> 16747 Sierra Court Suite J Sample Descript U-5 Received 11/10/98 <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 11/16/98 , <br /> Attention Deanna Harding » - _ Lab Number 9811635-06 » __ Reported 11J23J98 = <br /> Purgeable Total Petroleum Hydrocarbons as Gasoline/BTEX/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 /> Tnfluorotoluene 70 130 105 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> To ranicher <br /> Project Manager Page s <br /> ,a� <br />