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1551 Industrial Road <br /> Sequoia San` cm,6 '� <br /> 1 FAX(650)23zA612 <br /> Analytical '""'"'--,eqi'W com <br /> 4v <br /> Ck ler-Ryan/Ceostrategies(1) Project Tosco(5) Sampled. 715/00 <br /> 6747 Sierra Court,Suite I Project Number Former UnocalSS#4409 Received. 7/5/00 <br /> Dublin,CA 94568 project Manager Deanna Hardmg R 7118/00 <br /> In e c Tlifpp s e <br /> Date SPi&C Sample QC Reporting Limit Reaov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Lumts % Lit % Notes* <br /> Batch: 0070038 Date Prepared. 7110100 Extraction Method EPA 5030B MM <br /> Blank ao70o38-BLKI <br /> 1,2-Di'bromoethane 7110100 ND ug/l 2.00 <br /> 1,2-Ihchloroedme ^ ND " 2.00 <br /> Di-isopropyl ether ND 2.00 <br /> Ethyl tert-butyl ether n ND 2.00 <br /> Methyl tert butyl ether ND ^ 2.00 <br /> Tert-amyl methyl ether ND " 2.00 <br /> Tert-butyl alcohol ND 100 <br /> Surrogate 1,2-Dichloroethane-d4 " 500 501 760-114 100 <br /> Surrogate Toluene-d8 Soo 496 880-110 992 <br /> Blank 0070038-BLK2 <br /> JU,-Mbromocthane 7/12/00 ND u9A 2.00 <br /> mpry, <br /> ooethane ^ ND 2.00 <br /> ether ND 2.00 <br /> ND 2.00 <br /> Ethyl tert butyl ether ND " 2.00 <br /> Methyl tent butyl ether " <br /> Tert-amyl methyl ether ND " 2.00 <br /> Tert-butyl alcohol " 100 <br /> Surrogate. 1,2 Dtchlornethan"4 500 487 " 760-114 974 <br /> Surrogate Toluen"8 500 498 It 880-110 996 <br /> i <br /> LCS <br /> 00700 8- 1 <br /> MeqTl tert butyl ether 7/10100 500 441 ug/1 700-130 882 <br /> Surrogate 1,2-Dwhloroethan"4 500 .500 76 0-114 100 <br /> Surrogate Toluene-d8 ivSoo SOS 880-110 101 <br /> iQ 0070038-BS2 <br /> Methyl tent-butyl ether 7/12100 Soo 438 ug/l 700-130 876 <br /> Surrogate 1,2Dtchloroethane-d4 SO 0 458 N 760-114 916 <br /> Surrogate To&ene-d8 500 510 ff 880-110 102 <br /> Matrix Spike 0070038-MSI L007058-01 <br /> Methyl tert-butyl ether 7/10100 500 ND 461 ug/l 76 0-10-1144 04 <br /> Surrogate 1,2 Drchloroethane-d4 " 500 520 <br /> 76 104 104 <br /> Surrogate. Toluen"8 500 SO 1 " 880-110 100 <br /> Matrix S Ake RBR 0070038-MSDI L007059-01 <br /> Methyl tort-bu l ether 7/10/00 Soo ND 472 ug/l 600-140 94A 250 236 <br /> jarrogate. 1,2-Dtchloroethane-d4 " 500 512 ff 760-114 102 <br /> Orogate Toluen"8 " 500 SO 3 of 880-110 101 <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definttsons <br /> Page 9 of 11 <br />