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1551 lndustrW!Load <br /> Sequoia �'�� )203702---%1 ' <br /> (650) 00 <br /> FAX(650)232-%12 <br /> Analytical www sequoWabs c= <br /> Gettler-RyaNGeostratVies(1) Project. Unocal(3) Sampled 11/20/00 <br /> 6747 Sierra Court,Suite J Project Number SS#F0187/437 EAST MINER AVE Reoeived 11/20/00 <br /> Dublin,CA 94568 Project Manager Deanna Hardin R 11/29/00 <br /> IN <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Anal Anal Level Result Result Units Reoov Lu mts % Lvmt % Notes* <br /> Matrix S13ft 0110115-MSI L011165-03 <br /> Benzene 11/22/00 100 ND 929 ug4 600-140 92.9 <br /> Toluene 100 ND 886 600-140 88.6 <br /> Ethylbenzene 100 ND 909 600-140 90.9 <br /> Xylenes(total) 300 ND 272 IN 600-140 90.7 <br /> Surrogate. a,a,a-Wuoratoluene 100 918 700-130 918 <br /> Matrix Spike Dnp 011011�:NSD1 L011165-03 <br /> Benzene 11/22/00 too ND 944 ug/1 600-140 94.4 250 1.60 <br /> Toluene 100 ND 876 " 600-140 87.6 250 1.14 <br /> Ethylbenzene 100 ND 918 " 600-140 91.8 250 0.985 <br /> Xylenes(total) 300 ND 276 " 600-140 92.0 250 1A2 <br /> Surrogate a,a,a-Trsfluorotoluene 100 905 700-130 905 <br /> h• 011011CP Date Prepared: 11/22/00 Extraction Method: EPA 503_0_B LPA <br /> -1FwRk 0110116-BLKI <br /> Purgeable Hydrocarbons as Gasoline 11/22/00 ND ug/1 50.0 <br /> Benzene ND O.W <br /> Toluene ND 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) " ND " 0.500 <br /> Methyl text-butyl ether ND 5.00 <br /> Surrogate a,a,a-Tnfluorotoluene 100 110 700-130 110 <br /> Blgnk 0110116-BLIC2 <br /> Purgeable Hydrocarbons as Gasoline 11/24/00 ND ug4 50.0 <br /> Benzene ND " 0.500 <br /> Toluene ND " 0.500 <br /> thylbenzee " ND " 0.500 <br /> Xylenes(total) " ND " 0.500 <br /> Methyl tert butyl ether ND 5.00 <br /> Surrogate- a,a,a-Tn,fluorotohmne 100 107 " 700-130 107 <br /> LICS 0110116-BSI <br /> Benzene 11/22100 100 119 ug/l 700-130 119 <br /> Toluene 100 109 700-130 109 <br /> Ethylbenzeue 100 107 700-130 107 <br /> Xylenes total 300 317 700-130 106 <br /> Surrogate. a,a,a-Trrfluorotoluene N 100 105 700-130 105 <br /> 0110116-BU <br /> #able.Hydrocarbons as Gasoline 11/22/00 250 225 119/1 700-130 900 <br /> Sequoia Analytical-San Carlos *Refer to end of reportfor text ofrotes and deJinrtrons <br /> Page 10 of 14 <br />