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Sequoia 680 Chesapeake Drive Redwood Gty,CA 94063 (650) 364-%W FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX(510)988-9673 <br /> !X-N <br /> Analytical 819 Sinker Avenue,State 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> Gettler Ryan/Geostrategles Client Proj ID "Unocal SS#5886 - ~- y ««" Sampled 03/25/98 <br /> 6747 Sierra Court Su1te J Sample Descnpt MW-3 Received 03/25/98 - <br /> Dublin, CA 94568 Matrix LIQUID <br /> Extracted 03/27/98 <br /> n Analysis Method EPA 8015 Mod Analyzed 03/31/98 <br /> _Attentlon Deanna Harding_ Lab Number 9803G82-04 Reported 04j08�98 <br /> d- -B t h Num r> »i- -�� - <br /> a c be GC03279801-iBPE=XB <br /> Instrument ID GCHP19A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) with Silica Gel Cleanup <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 79 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEGZUOIA ANA ICA - ELAP #1210 <br /> Aww <br /> Project Manager Page g <br /> ,t, <br />