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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364-9600 FAX(650)+364-9233 <br /> 1 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(9251988-9673' <br /> 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> qwr Analytical 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707) 792-1$65 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos CA 94070-41 11 (650) 232-9600 FAX(650)232-9612 <br /> Sequoia Analytical Client Project ID L905535-TRMI EH&S Sampled May 25, 1999 <br /> 1551 Industrial Blvd Sample Matrix Water Received May 26, 1999 <br /> San Carlos, CA 94070 Analysis Method EPA 5030/8015 Mod /8020 Reported Jun 21, 1999 <br /> Attention Mike Gregory First Sample # 906-0205 <br /> CC Batch Number GCO60399 GC060399 GCO60399 GCO60399 GCO60399 GCO60399 <br /> 802004A 802004A 802005A 802005A 802005A 802005A <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I D I D I D I D <br /> lig/L 906-0205 906-0206 906-0207 906-0208 906-0209 906-0210 <br /> MW-7 MW 8 MW-9 MW 10 MW-11 MW-13 <br /> Purgeable <br /> Hydrocarbons 50 N D N D 11,000 N D 2,500 N D <br /> Benzene 0 50 N D N D 3,800 N D 980 N D <br /> Toluene 0 50 N D N D 50 N D N D N D <br /> Ethyl Benzene 050 N D N D 56 N D 61 N D <br /> Total Xylenes 050 N D N D 100 N D N D N D <br /> MTBE 25 ND ND ND ND ND ND <br /> Chromatogram Pattern -- Gasoline Gasoline <br /> Quality Control Data <br /> sporting imlt <br /> Multiplication Factor 1 0 1 0 100 1 0 20 1 0 <br /> Date Analyzed 06/03/99 06/03/99 06/03/99 06/03/99 06/03/99 06/03/99 <br /> Instrument Identification HP-4 HP-4 HP-5 HP-5 HP-5 HP-5 <br /> Surrogate Recovery, % 89 90 90 89 89 89 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> SEQUOIA ANALYT L, ELAP #1271 <br /> Charlie Westwater <br /> Project Manager <br /> 9060199 SSS ¢2> <br />