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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N Wig&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 /> 1W Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792 0342 <br /> ATC Associates, Inc - Client Prol~ ID Westrec Prop/Kir 62514 0001 Sampled 06/23/98 <br /> 1260 Graphics Drive Sample Descript MW-5 Received 06/25/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID Extracted 07/02/98 <br /> Analysis Method EPA 8015 Mod Analyzed 07/07/98 <br />„Attention Jeanne Homsey _ Lab Number 9806G74-05_ _ _ _ _ _ Reported 07116/98 <br /> 0}C Batch Number GCO702980HBPEXA <br /> Instrument ID GCHP4A <br /> Total Extractable Petroleum Hydrocarbons (TEPH) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TEPH as Diesel .. 5o 280 <br /> Chromatogram Pattern <br /> Unidentified HC . . C9-C24 <br /> Surrogates Control Limits % % Recovery <br /> n-Pentacosane(C25) 50 150 88 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - EI_AP 01210 <br /> 1 � <br /> Prolec anager Page 10 <br />