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!1 lIT1 r <br /> Sequoia 680 Chesapeake Drive Redwood Clty CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 MCDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ATC Associates, Inc _ Client Prol ID KOK Realty 62581 0001 Sampled 09/11-/98 - <br /> 1260 Graphics Drive Sample Descript MW-1 Received 09/11/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID Extracted 09/15/98 <br /> Analysis Method EPA 8015 Mord Analyzed 09/18/98 <br /> ;Attention Jeanne Homsey Lab Number 9809733-01 Reported 09f25f98 <br /> QC Batch Number GCO915980HBPEXZ <br /> Instrument 1D GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/l. <br /> TEPH as Diesel 100 3200 <br /> Chromatogram Pattern <br /> Unidentified HC C9-C18 <br /> Weathered Diesel .. C9-C24 <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane (C25) 50 150 105 <br /> 0 <br /> Analytes reported as D wore not present above the stated limit of detection <br /> SEQUOI A L ICAL - ELAP #1210 <br /> Project Manager page a <br />