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1 4 <br /> Sequoia 1455 McDowell Blvd North Ste D <br /> ID Petaluma CA 94954 <br /> %O Analytical (707} 792-(845 <br /> FAX (707) 792-0342 <br /> ATC Associates,Inc Project SUSD/Franklin High School Sampled 2/24199 <br /> 1117 Lone Palm Ave,Suite B Project Number na Received 3/1/99 <br /> Modesto,CA 95351 Project Maria er Tom Lutterman Reported 3/15/99 <br /> Total Petroleum Hydrocarbons as Gasoline and BTEX by EPA 8015M/8020M <br /> Sequoia Analytical-Petaluma <br /> Batch Date Date Surrogate Reporting <br /> Analyte Number Pmpared Analyzed Limits Limit Result Units Notes* <br /> SUSD/FH-MWl-20 5 P903098-01 Soil <br /> Gasoline 9020581 3/5/99 3/5/99 10000 179000 ug/kg <br /> Benzene 500 NO " <br />' Toluene 500 284 " <br /> Ethylbenzene 500 1420 " <br /> Xylenes(total) 100 10700 " <br /> Surrogate a a a-Trifuorotoluene - 960 % <br /> Surrogate 4-Bromofluorobenzene - JOS If <br /> SUSD/FH-MWl-25 5 P903098-02 Soil <br />' Gasoline 9020581 3/5/99 315/99 10000 272000 ug/kg <br /> Benzene " 500 ND ' <br /> Toluene 500 NO <br /> Ethylbenzene 500 1700 " <br />�enes(total) _ 100 11300 " <br /> JWrogate a,a a-Trifluorotoluene of - 970 9/0 <br /> Surrogate 4-Bromofluorobenzene of If 11 - 121 " <br /> SUSDIFH-MWI-35 5 P903098-03 Soil <br /> Gasoline 9030108 3/4/99 3/4/99 400 NO ug/kg <br /> Benzene 200 NO " <br /> Toluene 200 NO <br /> Ethylbenzene 2 00 NO " <br /> Xylenes(total) to <br /> " 4 00 NO " <br /> Surrogate a,a,a-Trifluorotoluene It 11 to - 102 % <br />' Surrogate 4-Bromofluorobenzene - 83 7 11 <br /> SUSD/FH-MWI-55 5 P903098-04 Soil <br />' Gasoline 9030108 3/4/99 3/4/99 400 NO ug/kg <br /> Benzene " " " 200 NO " <br /> Toluene 200 NO " <br /> Ethylbenzene 200 NO " <br />' Xylenes(total) 400 NO " <br /> Surrogate a a a-Trifluorotoluene 102 % <br /> Surrogate 4-Bromofluorobenzene " " " - 860 " <br />' SUSD/FH-MW1-60 5 P903098-05 Sail <br /> Gasoline 9030108 3/4/99 3/4/99 400 NO ug/kg <br /> Benzene " 2 00 NO " <br />' Toluene 2 00 NO " <br /> Ethylbenzene " " 2 00 NO " <br /> enes(total) — 4 00 NO " <br /> Sequoia Analytical-Petaluma *Refer to end of report for text of notes and definitions <br />' Page 2 of I 1 <br />