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1551 tndusMW Road <br /> Sequoia �'�`°s.CA 9W70-411 <br /> (650)Z3Z-9600 <br /> FAX(650)Z32-9612 <br /> � Analytical """""�"°'a'�c°`* <br /> 0 <br /> Gettler-Ryan/Geostrateves(1) Project. Tosco(s) Sampled 6126/00 <br /> 6747 Sierra Court,Suite J- _- - -- = Project Number—Tosco(Unocal)SS#6981 = -_ _ Received 6127100 <br /> Dublin,CA 94568 Pro ect Manager Deanna H Rqxwted, 7/12/00 <br /> Date Spoke Sample QC Reporting Limit Recov RPD RPD <br /> E:V—tcAn Level Result Result Units Recov Lim is % Lima % Notes* <br /> Batch- 0070020 Date Prepared: 716/00 Extraction Method. EPA 5030E FPM <br /> Blank 0070020-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 716/00 ND 149/1 50.0 <br /> 0.500 <br /> Benzene " ND <br /> Toluene " ND 0.500 <br /> Ethylbm=e ND n 033 <br /> Xylenes(total) " ND 0.500 <br /> MedTl tent-butyl ether ND " 5.00 <br /> Surrogate a,a,a-Tnfluorotoluene 100 107 700-130 107 <br /> LCS 0070020-BSI <br /> Benzene 716/00 too 129 ug/l 700-130 129 <br /> Toluene TM 100 119 " 700-130 119 <br /> Ethylbenze ne 100 124 700-130 124 <br /> Xylene(total " 300 38 1 700-130 127 <br /> 70 0-130 111 <br /> Surrogate a,a,a-Tnfluorotoluene 100 <br /> lI 1 <br /> LCS 0070020-Bs2 <br /> Purgeable!jydrocarbons as Gasolme 716100 250 204 u8A 700-130 816 <br /> Surrogate a,a,a-Trlfluorotoluene " 100 I1 S " 700-130 115 <br /> Matrix Spike 0070020-M$f Z00623 10 <br /> Benzene 716/00 too ND 12 3 149/1 600-140 123 <br /> Toluene " 100 ND 114 60 0-140 114 <br /> Ethylbenzeae " 100 ND 11.6 600-140 116 <br /> Xylenes(total) 300 ND 35 2 600-140 117 <br /> Surrogate. a,a,a-Thfluorotoluene 100 100 700-130 100 <br /> M-aWX Spike Dap 007 0_ 2Q 0-MSDl 00623 1 <br /> Benzene 7/6100 100 ND 12 7 ug/1 600-140 127 25 4 3.20 <br /> Toluene " 100 ND 117 600-140 117 250 2.60 <br /> Ethylben=ne " 100 ND 120 600-140 120 250 339 <br /> Xylene(total) 300 ND 362 600-140 121 250 336 <br /> Surrogate a,a,a-Tnfluorotoluene " 100 102 700-130 102 <br /> Batch go 0021 Date Prepared. 716L00 EXtractlon Method: EPA g03013 <br /> MM <br /> Biapk 0070021-BLK <br /> Purgeable Hydrocarbons as Clasolme 716100 ND ug/1 $0.0 <br /> Benzene ND " 0.500 <br /> Toluene " ND " 0'500 <br /> EthylbenzND 0.500 <br /> (total) <br /> ND " 0.900 • <br /> Xylene(total} " <br /> Sequoia Analytical-San Carlos *Refer to end of report for teat of notes and definitww <br /> Page 21 of 30 <br />