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680 Chesapeake Drive Redwood City CA 94063 (650}364-9600 FAX(650)364-9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (925)9138-9600 FAX(9Z5)988-9673 <br /> �,I,�► Analytical <br /> 819 Striker Avenue,Suite 8 Sacramento CA 45834 (916)9zt-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> Gettler Ryan/Geostrategies —Client-Prod 10 180138 85/6981, 4707 Pacific Sampled 10/14/98 ;t <br /> 6747 Sierra court Suite J Sample Descript VW-3 Received 10/14/98 ;; <br /> Dublin, CA 94568 Matrix LIQUID ; <br /> Analysis Method 8015Mod/8020 Analyzed 10/22/98 <br /> = Attention Deanna Harding Lab Number 981 OB87-12 Reported 11/02/98 _ <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 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 /> Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> Trlfluorotoluene 70 130 99 <br /> • <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 41271 <br /> aGranicher <br /> ct Manager Page 23 <br />