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680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget Lane Wairwt Geek.G 94598 (925)988-9600 FAX(925)988-9673 <br /> � Analytical 619 Sacker Avenue Suite 8 Sacramento G 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)791-1865 FAX(707)792-0341 <br /> • <br />.bottler Ryan%Geo_strategles �^ Client Prod ID 180138 85/6981, 4707 Pacific Sampled 10/14/98 <br /> 6747 Sierra court Suite J Sample Descrlpt MW-2 - - - - - - - --Received 10/14/98 -3 <br />- -Dublin, CA-94568_ Matrix LIQUID <br /> Analysis Method 8015Mod%8020 Analyzed 10/23/98 <br /> Attention Deanna Harding _ Lab Number 98101387-03_ __ __ _ _ Reported 11 f02198- - <br /> J-istrument EO HP5 � <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> I <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 500 2900 <br /> Methyl t-Butyl Ether 25 - - - 380 <br /> Benzene so 620 <br /> Toluene ••• - so - 17 <br /> Ethyl Benzene 5 0 36 <br /> Xylenes (Total) - 5 0 - - 56 <br /> Chromatogram Pattern. Gasoline <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 88 <br /> i <br /> nalytes reported as N 0 were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1271 <br /> It JL- <br /> 'od Granicher Page 5 i <br /> 'roject Manager <br />