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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)364-9Z33 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (9Z5)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)79Z-1865 FAX(707)792-0342 <br /> 9 <br /> 'ATC Associates, Inc Client Prol ID Diesel Performance Sampled 09/25/98 <br /> 1260 Graphics Drive Sample Descript DP-MW1-20 5 Received 09/28/98 <br /> Modesto, CA 95351-1502 Matrix SOLID Extracted 09/29/98 <br /> Analysis Method 8015Mod/8020 Analyzed 09/29/98 <br /> UAttention Jeanne Homsey Lab Number 98091-149-02 Reported 10JO6198 <br /> -Batch Number GC092998BTEXEXA <br /> Instrument ID GCHP18 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/K9 mg/Kg <br /> TPPH as Gas 50 670 <br /> Benzene 025 N D <br /> Toluene 025 N D <br /> 'Ethyl Benzene 025 21 <br /> Xylenes (Total) 025 16 <br /> Chromatogram Pattern <br /> Unidentified HC C6-C12 <br /> Surrogates Control Limits % % Recovery <br /> Trifluorotoluene 70 130 76 <br /> 4-Bromofluorcbenzene 60 140 0 Q <br /> 1 <br /> 1 <br /> alytes reported as N D were not present above the stated limit of detection <br /> EQUOIA ANALYTICAL - ELAP #1210 <br /> ' z � <br /> rode anager Page 6 <br />