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�+ 1551 Industrial !toad <br /> San Carlos,CA 94070-4111 <br /> Sequoia (550) 232-9610 <br /> FAX(550)23z-951 z <br /> w,ww.sequotalabs cam <br /> Analytical <br /> Sampled 813100 to 8/4100 <br /> Gettler-Ryen/Geostrategies(1) Project Tosco(5) <br /> 6747 Sierra Court,Surto J Project Numbs" Unocal SS#5886/2701 West Manch Laned. <br /> ,StoclRwove8/4/00 <br /> 8128/00 <br /> Pro edManager Deanna Harding Renarta- <br /> Dublin,CA 94568 <br /> Date gpOce Sample QC Reporting Limit Recov RPD RPD <br /> Anal Anal L Level Result Result Units Reoov units % Lmiit % Notes* <br /> LCS(eentinugM 4080076-BSI 700-130 898 <br /> Ethylbe nzene 8116100 100 8 98 ug/l <br /> Xylenes{total) 30 0 18 l 70 0-130 60 3 <br /> Surrogate. a,a,a-Tnfluorotoluene <br /> " 100 10 8 700-130 108 <br /> LCS 008 6-BS2 700-130 848 <br /> Purgeable Hydrocarbons as Gasoline 8/16100 250 212 ug/l <br /> Surrogate a,a a-Tnfluorotoluene <br /> " 100 106 <br /> 70 4-130 106 <br /> Matrix Spike 0080076-MSl L008034-17 600-340 89,6 <br /> Purgeable Hydrocarbons as Gasolme 8/16100 250 ND 224 ugll <br /> Surrogate a,a,a-Tnfluoromluene <br /> " 100 113 70 0-130 123 <br /> Ma x 5 ike Dun 0080076-MSDI L008034-17 <br /> 250 ND 206 ug11 60 0-140 82.4 250 837 <br /> _ le Hydrocarbons as Gasolme 8116100 114 70 0-130 114 <br /> Su a a,a,a-Tnfluorotoluene " 10 0 <br /> Batch 0080080 Date Pre ared• 8/17100 Extraction Method EPA 5030B P <br /> Blank 0080080-BLK1 50.0 <br /> Purgeable Hydrocarbons as Gasoline 8/17100 ND ugn <br /> ND " 0.500 <br /> Benzene ND " 0.500 <br /> Toluene ND " 0.500 <br /> Ethylbenzene " ND " 0.500 <br /> Xylenes(total) " ND " 5.00 <br /> Methyl tat butyl ether 109 " 700-130 109 <br /> Surrogate a,a,a-Tnfluorotoluene 10 0 <br /> LCS 00804_ 8�BSI 700-130 94 0 <br /> Berizene 8/17100 100 9 40 ug/l <br /> " 10 0 $84 700-130 894 <br /> Toluene 1 700-130 871 <br /> 10 0 8 7 <br /> Ethylbenzwe 261 " 700-130 88 7 <br /> Xylenes(total) " 10 0 300 2 2 70 0-130 112 <br /> Surrogate a,aeM <br /> ,a-Tnfluorotolue <br /> LCS 0080080-BS2 700-130 996 <br /> purgeable Hydrocarbons as Gasoline 8/17100 250 249 u <br /> Surrogate a,a,a-Tnfluorotoluene <br /> " 100 108 <br /> " 70 0-130 108 <br /> MHMx S ike 0080�0WMS1 L00803 600-140 105 <br /> Benzene 8/17/00 100 ND 10 5 11911 <br /> " 10 0 ND 993 600-140 993 <br /> Toluene � 997 600-14o 99.7 <br /> *=Mc <br /> " 100 <br /> *Refer to end of report for test of notes and deflninons <br /> Soquoia Analytical-San Carlos <br /> Page 24 of 30 <br /> `5d' <br />