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r <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> • 404 N Wiget Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-91673 <br /> frlllF Analytiea 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D f'etaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> Gettlef-Ryan%Geostrategies Client Prol ID Unocal 5886,-180137 85-^- - Sampled 06%17%98 " <br /> 6747 Sierra Gourt Suite J Sample Descript TB-LB Received 06/17/98 <br /> Dublin, CA 94568 Matrix LIQUID " <br /> Analysis Method 9015Mod/8020 Analyzed 06/27/98 - <br /> Attention Deanna Harding Lab Number 9806C26-01 Reported 07J09198 <br /> 0C Batch Number 6C062798802002A <br /> strument ID HP-2 <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 <br /> 50 N p <br /> Methyl t-Butyl Ether 25 N D <br /> Benzene 0 50 N D <br /> Toluene 0 50 N D <br /> Ethyl Benzene 0 50 N D <br /> Xylenes (Total) 0 50 N D <br /> Chromatogram Pattern <br /> • <br /> Surrogates Control Limits% % Recovery <br /> Trlfl uorotol uene 70 130 112 <br /> 00 <br /> • <br /> • <br /> apalytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1271 <br /> ranlcher <br /> ' t Manager Page t <br />