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1551 industrial Raid <br /> Sequoia '�,6-%)2372-491600 <br /> 4DTAX(650)232-%12 <br /> OWAnalytical www MqUOiai4*Ccm <br /> Gettler-Ryan/Geostrategies(l) PMjecL Tosoo(5) Sampled 715/00 <br /> 6747 Sierra Court,Suite J Project Number Former UnocalSS#4409 Received, 7/5/00 <br /> Dublin,CA 94568 project M Deanna Hardin 7118/00 <br /> I,NO 1;1 IN <br /> ea e r oti o - <br /> n <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> iAtialyteAnalyzedLevel Result Result Units Renov Limits % Lunn % Notes* <br /> Batch: 0070045 Date Pre ared: 7112100 Extraction Method: EPA 5030B IPM <br /> Blank 0070045-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 7112/00 ND ug/I 50.0 <br /> Benzene " ND 0.500 <br /> Toluene ND OSM <br /> Ethylbenzene ND 0.500 <br /> Xylenes(total) " <br /> ND 0.500 <br /> Methyl tent-butyl ether ND " 5.00 <br /> Surrogate a,a,a-Tnfuorotoluene " 100 890 700-130 890 <br /> LCS 0070045-BSI <br /> Benzene 7112100 10 0 956 U94 700-130 956 <br /> Toluene 100 878 700-130 878 <br /> lbe�eue <br /> 100 869 700-130 868 <br /> nes{total} " 300 266 700-130 887 <br /> Surrogate a,a,a-Tnfuorotolue-ne 100 912 700-130 912 <br /> LO 0070045-BS2 <br /> Purgeable Hydrocarbons as Gasoline 7/12100 250 246 ug/l 700-130 984 <br /> Surrogate a,a,a-Tnfluorotoluene ff 100 918 N 700-130 918 <br /> Mattis Spike 0070045-MSI L007039-I1 <br /> Benzene 7/12/00 100 ND 101 119/I 600-140 101 <br /> Toluene 100 ND 940 600-140 94.0 <br /> Ethylbenzene 100 ND 948 600-140 94.8 <br /> Xylenes(total) " 300 ND 292 600-140 973 <br /> Surrogate a,a,a-Trifluorotoluene 100 111 700-130 112 <br /> Matrix Spike Duo 0070045-MSD L007039-11 <br /> Benzene 7/12/00 100 ND 105 119/1 60 0-140 105 25 0 3.88 <br /> Toluene 100 ND 974 600-140 97.4 250 3.55 <br /> Ethylbenzene " 10 0 ND 989 600-140 98.9 250 4.23 <br /> Xyl"(total) 300 ND 304 " 600-140 101 250 373 <br /> Surrogate. a,a,a-Tnfluorotoluene 100 120 " 700-130 120 <br /> Batch 0070051 Dee Prepared: 7/13100 Extraction Method. EPA 030B <br /> Blank 0070 1-BII I <br /> Purgeable Hydrocarbons as Gasolme 7113100 ND ug/l 50.0 <br /> Benzene ND 0.500 <br /> Toluene ^ ND 0'W <br /> Wylbenzme " ND ^ 0.500 <br /> ens(total) ND 0.500 <br /> Sequoia Analytical-San Carlos *Refer to end of reportfor text of notes and def nitrons <br /> Page 7 of 1 i <br />