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■ <br /> Sequoia 680 Chesapeake Drive Redwood G0 ry CA 94063 (650)-144-% FAX(650)364-9233 <br /> 404 N W1get Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> � Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (9I6)921-9600 FAX(916)921-0100 <br /> 1455 McDowell 81vd North,Ste.D Petaluma.CA 94954 (707)792-1$65 FAX(707)792-0342 <br /> e <br /> Gettler Ryan/GeostrategiesClient Proj"ID µ"-Unocal Former Facility#0187 Sampled 08%17%98 - = <br /> 6747 Sierra Court Suite J Sample Descrlpt U-9 Received 08/17/98 0 <br /> Dublin, CA 94568 Matra UQUID 1 <br /> 3 Analysis Method 8015Mod/8020 Analyzed 08/28/98 <br /> Attention Deanna Harding Lab Number_980SA40-10 Reported 09f 20L98 " <br /> Instrument ID HP5 <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 ... . .. ... 89 <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 0.50 ... 5 4 <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes (Total) .. .. 050 -- - - •-- 0 67 <br /> Chromatogram Pattern .. .. Gasoline <br /> Surrogates Control Limits% % Recovery <br /> Trdluorotoluene 70 130 96 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01271 <br /> iiWGranicher <br /> Project Manager Page 10 <br />