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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Ci) <br /> 404 N Wiget line Walnut Creek CA 94598 (925)988-9600 FAX(925)988-%73 <br /> 8t9 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)92t-0100 <br /> Iwo Analytical 1455 McDowell 9tvd North,Ste.D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 0 <br /> Gettler Ryan/Geostrategles Client Prol ID Former Unocal SS#2859 Sampled 12/04/98 <br /> 6747 Sierra Court Suite J Sample Descnpt MW-5 Received 12/04/98 <br /> Dublin, CA 94568 <br /> Matrix LIQUID Extracted 12/15/98 <br /> Analysis Method 8015Mod/8020 Analyzed 12/15/98 <br /> Attention Deanna Harding_ Lab Number 9812431-06 - _ Reported 12 18898_ <br /> QC Batch Number GC121598802002A <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 2.5 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 /> Trifluorotoluene 70 130 105 <br /> i <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA N I AL - ELAP #1271 <br /> Tod Gra c <br /> Project Manager Page 11 <br />