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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)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (747)792-1865 FAX 707 792-0342 <br /> Gettler RyanlGeostrategles -- Client Prol ID r UNOCAL 2859, Stockton ' '^ Sampled 06/18/98 - <br /> x 6747 Sierra Court Suite J Sample Descrlpt MW-3 Received 06/18/98 - <br /> Dublin, CA 94568 Matnx LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 06/28/98 <br /> -Attention Deanna Harding _ _ Lab_Number_9_806C89-04 _ _ _ _ Reported a7J1o198_ <br /> GC Batch Number GC062898802062A <br /> Instrument ID HP-2 <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 .. 1 0 <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern .. ... .. GAS <br /> Unidentified HC -. . .- - -•• - - --- >C8 <br /> Surrogates Control Limits % % Recovery <br /> TnfEuorotoluene 70 130 100 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL_ - ELAP 41271 <br /> TWranicher <br /> Project Manager page 10 <br />