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II 1 1 , � 3 ✓ , 1 <br /> 1551 Industrial Road <br /> Sequoia San Carlos,CA 94070-4111 <br /> (650)232-9600 <br /> FAX(650) 232-9612 <br /> Analytical <br /> wuvw sequolalabs oom <br /> ri + <br /> Gelder-Ryan/Geostrategnea(1) Project Unocal(3) Sampled. 11/21/00 <br /> 6747 Sierra Court,Suite Z Project Number' FORMER UNOCAL SS#0187 Received. 11/21/00 <br /> Dublm,CA 94568 A Project Manager Deanna H 12/4/00 <br /> eab <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Anal _ - Anal . Level Result Result Units < Recov Lunits _ % Lunt % Notes* <br /> LCS[continneM 0110133-BSI. <br /> Ethylbenzene 11/29/00 too 1100 dg/l } 700-130 100 <br /> Xylenes(total) 300 303 700-130 101 <br /> Surrogate aaa-Trifluorotoluene " 400 916 700-130 926 <br /> L 0110133-BS2 , <br /> Purgeable Hydrocarbons as Gasohne 11/29/00 250 218 ug/l 700-130 872 <br /> Surrogate a,aa-Tnfluorotoluene " 100 918 "' 700-130 918 <br /> Matrix Spike 0110133-MSI L011238-03 <br /> Purgeable H drocarbons as Gasoline 11/29/00 -250 ND 231 -ug/1 -i, 600-140 92A <br /> Surrogate a,aa-Tnfluorotoluene 100 959 700-130 959 <br /> _Matrix Spike D0110133 M DI L011238-03 '- - - - <br /> w Purgeable Hydrocarbons as Gasoline _11/29/00- - _250 _- _ ND 225 119/1 600-140 906 250 2.63 <br /> Surrogate. aaa-Trifluorotoluene 10 0 916 a 700-130 916 <br /> Batch: 0110140 Date Prepared: 11/30/00 Extraction Metbod: EPA 5030B MM <br /> Blank 0110140-BLKI4 , " <br /> =-Purgeable Hydrocarbons as Gasolme==11130/00=— <br /> Berme It ' ND 0.500 <br /> Toluene _ " _ _- - - - - - _ - — -�- -� - - <br /> Ethylbenzetie T f_� -_� ___ _n _- __,___� -._ - __ _ --- ND 0.500 , <br /> Xylenes(total) _ - _ _ - _ *--- _ - - _ND - _ ,_ _0.500 <br /> Methyl tent-butyl ether " ND 5.00 <br /> Surrogate Aa,a-Trifluorotoluene, 100 869 700-130 869 <br /> BI_ark 0110140-BLK2 <br /> Purgeable Hydrocarbons as Gasoline 1211100 v ND ug/l Soo <br /> Benzene " ND 0500 <br /> Toluene " ND "_ 0.500 <br /> Ethylbenzeie r , ND _ fi• 0.500 r <br /> xylenes(total) " n ND " 0.500 <br /> Methyl tart-butyl ether " ND 5.00 <br /> Surrogate. aa,a-Tnfluorotoluene 100 101 700-130 101 <br /> JLCS 0110140-BSI <br /> Benzene 11/30/00 100 927 119/1 700-130 927 <br /> Toluene 100 929 700-130 929 <br /> Ethylbeazeae 100 956 " 700-130 956 <br /> Xylenes total) 300 289 " 700-130 963 <br /> Surrogate aaa-Trlfluorotoluene 100 ND 700-130 NR <br /> Sequoia Analytical-San Carlos 'Refer to end of report for text of notes and definitions <br /> Page 14 of 19 <br />