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1551 Industrial Road <br /> Sequoia San Carlos, CA 94070-4111 <br /> (650) 232-9600 <br /> Analytical FAX(650) 232-9612 <br /> Gettler-Ryan/Geostrategies(1) Project: Tosco(2) Sampled: 2122/00 <br /> 6747 Sierra Court,Suite D Project Number: UNOCAL SS#11195 Received: 2122/00 <br /> Dublin,CA 94568 Project Manager: Deanna Harding Reported: 3/7/00 <br /> -7 011 �-WN <br /> tic <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Blank continued 00300 <br /> Ethylbenzene 3/2/00 ND ug/l 0.500 <br /> Xylenes(total) ND 0.500 <br /> 5.00 <br /> Methyl tert-butyl ether " ND <br /> Surrogate: a,a,a-Trifluorotoluene F1 10.0 9.94 70.0-130 99.4 <br /> LCS 0030012-BS2 <br /> Purgeable Hydrocarbons as Gasoline 3/2/00 238 ug/1 70.0-130 <br /> Surrogate: a,a,a-lWfluorotoluene 10.0 11.2 70.0-130 111 <br /> LCS 0030012-BS3 <br /> 8.83 ug/l 70.0-130 <br /> Bene 3/2/00 <br /> Toluene 8.53 70.0-130 <br /> 1?rh /benzene " 8.89 " 70.0-130 <br /> :�.-'•fines{total) <br /> `5'`' gate: a,a,a-Trifluorotoluene 10.0 10.8 " 70.0-130 108 <br /> Matrix Spike 0030012-MS1 L002194-03 <br /> Purgeable Hydrocarbons as Gasoline 313/00 250 ND 174 ug/1 60.0-140 69.6 <br /> Surrogate: a,a,a-Trifluorotoluene " 10.0 9.79 If <br /> 70.0-130 97.9 <br /> Matrix Spike Dun 003001 L002194-03 <br /> Purgeable Hydrocarbons as Gasoline 313100 250 ND 210 ug/l 60.0-140 84.0 25.0 18.8 <br /> .Surrogate: a,a,a-Trifluorotoluene " 10.0 11.3 to 70.0-130 113 <br /> Batch: 0030021 Date Prepared: 3/3100 Extraction Method: EPA 5030E FPM <br /> Blank 0030021 <br /> Purgeable Hydrocarbons as Gasoline 313/00 ND 1 50.0 <br /> Benzene ND 0.500 <br /> Toluene " ND " 0.500 <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) ND " 0.500 <br /> Methyl tert-butyl ether " ND It 5.00 <br /> Surrogate: a,a,a-Tris luorotoluene 10.0 12.2 if 70.0-130 122 <br /> LCS 0030021-BSI <br /> Benzene 3/3/00 10.0 9.17 11 70.0-130 91.7 <br /> Toluene 1110.0 8.87 „ 70.0-130 88.7 <br /> Ethylbenzene " 10.0 9.27 It 70.0-130 92.7 <br /> Xylenes(total) 30.0 26.5 °' 70.0-130 . 88.3 <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 12.1 70.0-130 121 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions. i <br /> I <br /> Page 17 of 20 <br />