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1551 [ndusbw Road <br /> Sequoia �'°����3', <br /> FAX(650)Y32-%12 <br /> ,-5)- Analytical ww sequoWabs cm <br /> Gettler-RyWCxostrategies(1) Project- Unocal(3) Sampled 11/22/00 <br /> 6747 Sierra Court,Suite j Project Number FORMER UNOCAL SS#0187 Received. 11/22/00 <br /> Dublin,CA 94568 Project Manager Deanna Hardin 12/5/00 <br /> 911d� <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> knab2 Analyzed Level Result Result Units Recov Luruts % Limit % Notes* <br /> Batch: 0110139 Date Prepared: 11/301D0 Extraction Method EPA 5030B IPfn <br /> Blank 0110139-BLKI <br /> Purgeable Hydrocarbons as Gasoline 11/30/00 ND u9/1 50.0 <br /> Benzene ND 0.500 <br /> Toluene ND 0.500 <br /> Ethylbenzene ND ^ 0.500 <br /> Xylenes(total) ND 0.S00 <br /> Meth- 1 teat- 1 ether " ND 5.00 <br /> Surrogate. a,a,a-Tnfluorotoluene " 100 866 700-130 866 <br /> LCs 0110139-BR1 <br /> Benzene 11/30/00 100 100 ug/l 700-130 100 <br /> Toluene " 100 928 700-130 928 <br /> Ethylbenzene 100 975 700-130 975 <br /> gapes(total) 300 292 700-130 _973 <br /> Wogate a,a,a-Trifluorotoluene 100 943 700-130 943 <br /> LCS 0110132:BS-2 <br /> cable!!ydrocarbons as Gasoline 11/30/00 250 236 ug(l 700-130 944 <br /> Surrogate. a,a,a-Trifluorotoluene 100 771 700-130 771 <br /> MatrlY.mil 0110139-MSI L011197-E <br /> Benzene 11/30/00 100 ND 990 ug/I 600-140 99.0 <br /> Toluene 100 ND 967 600-140 %.7 <br /> Ethylbenzene 100 ND 974 600-140 97A <br /> Xylenes(total) 300 ND 298 600-140 993 <br /> Surrogate a,a,a-Trifluorotoluene 100 915 " 700-130 915 <br /> Matrix Spike Dup 0110139-MSD1 x.011197-07 <br /> Benzene 12/l/00 100 ND 100 u911 600-140 100 250 1.01 <br /> Toluene 100 ND 965 " 600-140 %.5 250 0.207 <br /> Ethylbenzene 100 ND 9 78 " 600-140 97.8 250 0.410 <br /> Xylenes(total) 300 ND 298 600-140 993 250 0 <br /> Surrogate a,a,a-Tnfluorotoluene 100 986 700-130 986 <br /> hatch: 0120002 Date Prepared: 1211100 Extraction Method- EPA 5030B iPfn <br /> Pink 0120002-BLKI <br /> Purgeable Hydrocarbons as Gasoline 12/1100 ND ug(l 50.0 <br /> Benzene ND 0.500 <br /> Toluene ND n 0.500 <br /> Etliylbenzeae ND 0-5w <br /> (total) " ND " 0.500 <br /> Sequoia Analytical-San Carlos *Refer to end of repor t for text of now and def finiteons <br /> Page 18 of 23 <br />