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rp � <br /> Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(9Z5)988-9673 <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-010 0 <br /> Analytical 1455 McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> i <br /> ATC Associates, Inc Client Prol ID Gardner Property 62586 000104 - -Sampled 06/30/98 <br /> 1260 Graphics Drive Sample Descript MW-3 Received 07/01/98 <br /> Modesto, CA 95351-1502 Matrix LIQUID <br /> Analysis Method 8015Mod/8020 Analyzed 07/14/98 <br /> Attention Tom Lutterman _ Lab Number 9807070-02 _ Reported 07f 16/98 <br /> QC Batch Number GC0714988020HP5 <br /> Instrument ID HP-5 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> TPPH as Gas 5o .. .. a5 <br /> Benzene .. 0.50 .. 1 2 <br /> Toluene 050 N D <br /> Ethyl Benzene 050 N D <br /> Xylenes(Total) 050 .. .. 063 <br /> Chromatogram Pattern <br /> Non Gas Mix . . .. .. >C8 <br /> Surrogates Control Limits% % Recovery <br /> Trifluorotoluene 70 130 80 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP 01271 <br /> � r <br /> Project Manager Page 2 <br />