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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N bViget Lane walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Anaytea 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> ATC Associates, Inc - Client Prof-ID W Properties/K[R, 62514 0001 Sampled 09/25/98--= <br /> 11260 Graphics Drive Sample Descrlpt MW-5 Received 09/28/98 <br /> a Modesto, CA 95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 10/02/98 <br /> =Attention Jeanne Homsey _ Lab Number 9809H47-05 Reported 10J06�98 <br /> - <br /> CC Batch Number GC100298BTEX21A - - -- — - - --- - - - —- - — - - --— - - ----- �- <br /> Instrument ID GCHP21 <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 1000 N D <br /> Methyl t-Butyl Ether .. 50 2100 <br /> Benzene 10 N D <br /> Toluene 10 N D <br /> Ethyl Benzene 10 N D <br /> Xylenes (Total) 10 N D <br /> Chromatogram Pattern <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 99 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Project Manager page 10 <br />