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tSequoia 630 Chesapeake Drive RCdwOOd City Ca 94063 (4 151 364 9600 FAX (415) 36.4 9233 <br /> 1900 Baces-venue Suite L Concord Ca 94520 (510) 690 9oC0 FAX(510) 686 9,589 <br /> Analytical 319 Stnker Avenue Suite 3 Sacramento CA 95334 (916) 921 9600 FAX(916) 921 0100 <br /> 1 <br /> EA EngineeringScience &-Tech Client Prol ID 83739421307, Exxon-7-3942 ~� _Sampled -02/17/95- <br /> 3468 Mt Diablo Blvd Ste B100 Sample Descnpt Rinse Blank 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 9502C36-02 _ _ _Reported_ 02J27j95 <br /> C Batch Number GCO22295BTEXbi A=- - -- = — - -- -- ------- -- _ -- -- ----- ---_- -knstrument 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 50 N D <br /> Benzene 0 50 N D <br /> Toluene 0 50 N D <br /> Ethyl Benzene 050 N D <br />' Xylenes (Total) 050 N D <br /> Chromatogram Pattern <br />' Surrogates Control Limits % % Recove <br /> Tnfluorotoluene 70 130 92 <br /> 1 <br /> 1 <br /> 1 <br />�alytes reported as D were not present above tete stated limit of detection <br /> SEQUOIA ALYTICAL - ELAP #1210 <br /> 1 <br /> z ne in <br /> roject Manager Page 2 <br /> I <br />