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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650) 364-9233 <br /> 404 N Wlget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical $19 Striker Avenue Suite 8 Sacramento CA 95$34 (916)911-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)79Z-1865 FAX(707) 792-0341 <br /> ATC Associates, Inc Client Prol ID Westrec Prop /Kir 62514 0001 Sampled 12/14/98 <br /> 1117 Lone Palm Avenue Sample Descript MW-6 Received 12/18/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 12/28/98 <br /> Attention Jeanne Homsey Lab Number 9812C87-06 Reported 12f31198 <br /> QC Batch Number GC122898BTEX30A <br /> Instrument ID GCHP30 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX and MTBE <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 50 N D <br /> Methyl t-Butyl Ether 25 48 <br /> Benzene 0 50 N D <br /> Toluene 0 50 N D <br /> Ethyl Benzene 0 50 N D <br /> Xylenes (Total) 0 50 N D <br /> Chromatogram Pattern <br /> Surrogates Control (Limits% % Recovery <br /> Trifluorotoluene 70 130 90 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 41210 <br /> c c <br /> Osect Hager Page 12 <br />