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1551 Industrial Road <br /> Sequoia San Carlos, CA 94070-41 11 <br /> (650) 23x-9600 <br /> OAnalytical FAX(650) 232-9612 <br /> Blaine Tech Services Project: Equiva(2) Sampled: 1127100 <br /> 1680 Rogers Avenue Project Number: 341 East Main St.,Ripon/000I27-G1 Received: 1128100 <br /> San Jose,CA 95112 Project Manager: Leah Davis Reported: 2111100 <br /> r _ <br /> Total Purgeable-Hyd�9carbons(C6-C12),BTEX�and;MTRE.PY DHS LU_ F Qualsty Control <br /> Sequoia Analytical=`SanCarlo - . <br /> Date Spike Sample QC Reporting Limit Recov. RPD RPD <br /> lAnalyte Analyzed Level Result Result Units Recov.Limits % Limit % Notes* <br /> Batch: 0020022 Date Prepared: 214100 Extraction Method: EPA 5030B WTI <br /> Blank 0020022-BLKI <br /> Purgeable Hydrocarbons as Gasoline 2/4/00 ND ug/I 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 5.00 <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 9.29 70.0-130 92.9 <br /> LCS 0020022-BS1 <br /> 8.06 ug/l 70.0-130 80.6 <br /> Benzene 2/4100 10.0 <br /> Toluene 10.0 7.75 70.0-130 77.5 <br /> Ethylbenzene 10.0 7.92 70.0-130 79.2 <br /> AdOwlens(total) 30.0 23.8 70.0-130 79.3 <br /> Wrogate: a,a,a-Trifluorotoluene 10.0 8.75 70.0-130 87.5 <br /> LCS 0020022-BS2 <br /> P_urgeable Hydrocarbons as Gasoline 214100 250 214 ug/l 70.0-130 85.6 _ <br /> Surrogate: a,a,a-Trifluorotoluene 10.0 8.54 or70.0-130 85.4 <br /> Matrix Spike 0020022-MSI L001248-01 <br /> Purgeable Hydrocarbons as Gasoline 2/4100 250 NO 241____u19/1 <br /> 60.0-140 96.4 <br /> Surrogate: a,a,a-Trifluorotoluene to10.0 9.34 it .70.0-130 93.4 <br /> Matrix Spike Duo 0020022-MSD1 L001248-01 <br /> Purgeable Hydrocarbons as Gasoline 2/4/00 250 ND 253 ug/l 60.0-140 101 25.0 4.66 <br /> Surrogate: a,a,a-Trifluorotoluene <br /> " 10.0 8.83 70.0-18.3 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions. <br /> Page 3 of 5 <br />