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• it <br /> Sequoia 680 Chesapeake Drive Redwood Cary CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wlget lane Walnut Creek CA 94598 (925)988-9600 FAX(9Z5)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)792-1865 FAX(707)792-0342 <br /> -Gettler Ryan/Geostra#egies _Client Prol ID Unocal 5886, 180337 85 T Sampled 06/17/98» <br /> 6747 Sierra Court Suite J Sample Descrlpt MW-7D Received 06/17/98 <br /> Dublin, CA 94568 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 06/27/98 _ <br /> Attention-Deanna Harding Lab Number- 9806C27-1»1 _ « - Reported 07J09J98 <br /> QC Batch Number bC06279886 002A - - - - --- - - --- - - _ -- - <br /> Instrument 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 50 N D <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 /> Surrogates Control Limits% % Recovery <br /> Trlfluorotoluene 70 130 92 <br /> 9 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1271 <br /> . :51 ) <br /> T ranlcher <br /> FWt Manager Page 3 <br /> I <br /> 0S <br />