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Sequoia 680 Chesapeake Drive Redwood City,eA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N Wsget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921-0100 <br /> Gettler Ryan/Geostrategies -J _ Client Pr0j� 1Y Former Unocal 2859, 280054 85 _ -Sampled 03/06/98 <br /> 6747 Sierra Court Suite J Sample Descnpt MW-6 Received 03/06/98 <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 03/10/98 <br /> Attention Deanna Harding Lab Number 9803391-07 _ __ Reported 03J18/98 <br /> QC Batch Number GC031098BTEX02A <br /> Instrument 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 050 N D <br /> Ethyl Benzene 050 N D <br /> Xyienes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trlfluorotoluene 70 130 90 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> gory <br /> Project Manager page a <br />