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680 Chesapeake Drtve Redwood Qty G 94063 (550)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 111WO Analytical 829 Striker Avenue, <br /> Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North.Ste 0 Petaluma.CA 94954 (707)792-t865 FAX(707)792-0342 <br /> � n <br /> I Gettler Ryan/Geostrategles Client Prol ID Former Unocal SS#2859 Samp#ed 12/04/98 <br /> e 6747 Sierra Court Suite J Sample Descnpt MW-2 Received 12/04/98 <br /> I Dublin, CA 94568 Matrix UQU#D Extracted 12/15/98 ri <br /> G Analysis Method 8015Mod/8020 Analyzed 12J15/98 a <br /> Attention Deanna Harding Lab Number- 9812431-03 Reoorted 12118 98 µ <br /> 8 Batch Number GC121598802005Ai-« <br /> Instrument ID HP-5 <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 .... 20000 ..... ... 74000 <br /> Methyl t-Butyl Ether 1000 N D <br /> Benzene -- -- - -- 200 .. ... .. 1500 <br /> Toluene ... .. 200 ... ... 15000 <br /> Ethyl Benzene ., . . .. 200 .. 4300 <br /> Xylenes (Total) .. .. .. 200 ... . -- - - 19000 <br /> Chromatogram Pattern. ... . . ... .... .. .. .... Gas <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 103 <br /> • <br /> Analytes reported as N D ere n t present above the stated limit of detection <br /> SEQUOI A A I L - ELAP #1271 <br /> Tod Grani <br /> Project Manager Page 5 <br />