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Sequoia680 Chesapeake Drive Redwood Gty, CA 94063 (650) 364-9600 FAX(650)364 9233 <br /> 404 11 Wigct LAne Walnut Creek CA 94598 (510) 988 9600 FAX(5i0)988-9673 <br /> Analytical 819 Stnker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(9 16)921 0100 <br /> _ ,„ r —......_.....»____ _ _'��..........,�....»....`ys __ _�.....Y.µ.=µ.._ = z...^—y..—r-.�� —».r_:»,,..............A•N;�—r_r—_—=ss:-s W— �•••--r—..„a-�y <br /> Gettler Ryan/Geostrategies --- Client Prol 10 Unocal SS# 5886 r-µ Sampled 03/25/98 3 <br /> 6747 Sierra Court Suite J Sample Descript MW-2 Received 03/25/98 - <br /> j Dublin, CA 94568 Matrix LIQUID = <br /> ' Analysis Method 8015Mod/8020 Analyzed 04/04/98 = <br /> Attention Deanna Harding_—__ _ Lab Number 9803G82-03 _ _ Reported 04/08/98_ - <br /> QC Satch Nurriber -GC040498802009A- <br /> Instrument ID GCHP09 <br /> Total Purgeabte Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 250 N D <br /> Methyl t-Butyl Ether 12 1700 <br /> Benzene 25 N D <br /> Toluene _ 2 5 3 1 <br /> Ethyl Benzene 25 N D <br /> Xylenes (Total) _ 2 5 2 9 <br /> Chromatogram Pattern ' <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 103 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1271 <br /> Am <br /> ry <br /> ProjectManager Page 7 <br />