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' Sequoia 680 Chesapeake Dnve Redwood Cicy CA 94063 415) 364 9609 FAX (415) 364 9233 <br /> 19"0"'acts avenue Suer.L Concord CA 94520 h10) 690 9600 F4X(510) 686-9689 I <br /> Analytical 919 StnkerAvenue Suice 3 Sacramento CA 95834 (9i6) 921 9600 FAX (916) 921 0100 <br /> EA Engineering Science &Tech Client Prol ID 83739421307, Exxon 7-3942 Sampled 02/17/95 <br /> 3468 Mt Diablo Blvd Ste 8100 Sample Descnpt RW-2 Received 02/21/95 _ <br /> Lafayette, CA 94549 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 02/22/95 <br /> " Attention M Cravink_ " _ Lab Number 9502C36-11 _Reported g2f2Z/95 <br /> knstrument <br /> C Batch Number GCO222956TEXOIA <br /> ID GCHP01 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> 1 Analyte Detection Limit Sample Results <br /> ug/L ug/L. <br />' TPPH as Gas 5000 11000 <br /> Benzene 50 220 <br /> Toluene 50 680 <br /> Ethyl Benzene 50 460 <br /> Xylenes (Total) 50 1400 <br /> Chromatogram Pattern Gas <br />' Surrogates Control Limits % % Recovery <br /> Trlfiuorotoluene 70 130 88 <br /> 1 <br /> 1 <br />�alytes reported as N w e not present above the stated limit of detection <br /> SEQUOIA AL ICAL - ELAP #1210 <br /> 1 <br /> ChrnChinrrojanLne Manager Page t <br /> 1 <br />