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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(925)988 9673 <br /> 41) 819 Striker Avenue Suite 8 Sacramento CA 95834 (916)921 9600 FAX(916)921 0100 <br /> 1455 I%W Analytical 1551 Industrial ll Blvd Road North Ste D SanalCarlos CA 94070-411 1 (650) 232 9600 FAX(650)232 96a CA 94954 (707) 792-1865 FAX(707) 42 <br /> Sequoia Analytical -San Carlos Project N/A Sampled 4/14/99 <br /> 0 <br /> 1551 Industrial Blvd Project Number (WO#L904198) Received 4/20/99 <br /> San Carlos,CA 94070 Project Manager Mike Gregory Reported 4/30/99 <br /> Total Purgeable Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT <br /> Sequoia Analytical-Sacramento <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Prepared Analyzed Limits <br /> p Y Limit Result UmtsNates* <br /> 1,904198-OL{lam'-1) S904264-01 Water <br /> Purgeable Hydrocarbons 9040288 4/23/99 4/23/99 500 ND ug/I <br /> Benzene 0 500 ND <br /> Toluene 0 500 ND " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 ND " <br /> Surrogate a a a-Triuorotoluene 600-140 982 % <br /> Methyl tert-butyl ether 9040303 4/26/99 4/26/99 5000 97200 ug/1 p <br /> Surrogate a,a a-Triuorotoluene 600-140 83 2 <br /> L904198-0 (EWI) 5904264-02 ]dater <br /> Purgeable Hydrocarbons 9040288 4/23/99 4/23/99 500 ND ug/1 <br /> Benzene 0 500 1 13 " <br /> Toluene 0 500 198 " <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 249 " <br /> Surrogate a a a-Trifluorotoluene 600-140 <br /> 884 <br /> Methyl tert-butyl ether 9040303 4/26/99 4/26/99 1000 9080 ug/l p <br /> 0 <br /> Surrogate a a a-Triuorotoluene 600-140 83 9 <br /> Sequoia Analytical -Sacramento *Refer to end of report for text of notes and defin>rto <br /> Sandra R anson,C[lent Services Representative <br /> Page 2 of 7 <br />