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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> • 404 N Wlget Une Walnut Creek.CA 94598 (915)988-9600 FAX(925)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)9ZI-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707) 792-1865 FAX(707)792-0342 <br /> I <br /> Gettler Ryan%Geostrategies- Client Prol ID Unocal 5888, 180137 85 - -„� ----- Sampled-06/1-7/98 _ <br /> 6747 Sierra Court Suite J Sample Descript MW-1 Received 06/17/98 <br /> Dublin, CA 94568 Matrix LIQUID Extracted 06/24/98 <br /> Analysis Method EPA 8015 Mod Analyzed 06/25/98 <br /> Attention Deanna Harding ” Lab Number 9806C26-02 _ Reported 07IQ9198 <br /> � <br /> C Batch Number GC0624980Ht PEXZ <br /> nstrument ID GCHPI9A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) with Silica Gel Cleanup <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> OTEPH as Diesel 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 5o 150 76 <br /> • <br /> 00 <br /> 0 <br /> •naiytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> 7*ranicher <br /> t Manager Page 3 <br />