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Sequoia 1551 Industr1111 Road'' <br /> San Carlos,'CA 94070-4111 <br /> Analytical` ' ' ° � (650) 232-9600 <br /> ° � ���r � FAX(650) 232-9612 <br /> r <br /> i i 1 <br /> Gettler-Ryan/Geostrategies(1) Project Unocal(1) r = Sampled 11/23/99 , <br /> 6747 Sierra Court,Suite D Project Number, Unocal SS#0187/Job#280045' Received 11/24/99 <br /> Dublin,CA 94568 Project Manager Deanna Harding 1, , Reported 12/10/99 t <br /> Total Piirgeatile Hydrocarbons(C6-C12),BTEX acid MTBE by DHS LUFT/Qua/tk Control <br /> Ahalyhcal- Sad Cal'�i13'' , <br /> ...�ax.�ri."' <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Analyte Analyzed Level Result Result Units Recov Limits % Limit % Notes* <br /> Matrix Spike(continued) 9120015-MSI L911275-08 <br /> Xylenes(total) •12/3/99 300 ND 282 ug/1 60 0-140 V 940 <br /> Surrogate a,a,a-Trfluorotoluene 100 123 700-130 123 <br /> L Y <br /> Matnx Spike Dun 9120015-MSD1 L911275-08 <br /> Benzene 12/3/99 100 'ND 928 ug/1 600-140 92 8 250, 6 16 x <br /> Toluene 100, ND 892 7_ , 600-140, 892 250 3 52 <br /> Ethylbenzene 10 0 ND 908 600-140 90 8 '25 0 4 84 <br /> Xylenes(total) 300 ND 271 600-140 90.3 25 0 4 02 <br /> Surrogate a a a-Trfluorotoluene " 100 113 700-130 113' <br /> Batch--9120016 - Date Prepared. 12/3199 a Extraction Method EPA 5030B FP/T1 <br /> Blank 9120016-BLK1 <br /> Purgeable Hydrocarbons as Gasoline 12/3/99 ND ug/I 500 <br /> Benzene - „i ND -0`500 . <br /> i <br />- Toluene - - - , - ND 0 500 - - <br /> Ethylbenzene ND I 0 500 <br /> Xylenes(total) ND -0500 <br /> Methyl tert-butyl ether ND 500 <br /> Surrogate a,a,a-Trfluorotoluene 100 I 905 700-130 , 905 <br /> LCs 9120016-BSI <br />`Benzene=-- �- - --- - ` =12/3/99-- --10 0� - - - $99 ug/1-f-= `70 0-130```-89 9- <br /> Toluene <br /> Toluene 10 0 ,8 88 " 700-130 88 8 <br /> Ethylbenzene --t -- w c;'"- "" --100- `� --9 14 _ - -700-130" --914 <br /> Xylenes(total) 300 274 700-130 91 3 <br /> Surrogate a,a,a-Trfluorotoluene 100 846 700-130 84 6 <br /> LCS 9120016-BS3 <br /> Purgeable Hydrocarbons as Gasoline 12/3/99 250 - 249 ug/1 700-130 996 <br /> Surrogate a,a,a-Trfluorotoluene 100 817 700-130 81 7 r <br /> Matrix Spike 9120016-MSI - L911275-14 l <br /> G , <br /> Benzene 12/3/99 100 4 61 12 6 ug/1 600-140 799 <br /> Toluene 100 ND 82 3 It <br /> 600-140 823 <br /> Ethylbenzene 100 ND 853 600-140 853 <br /> Xylenes(total) 300 ND 25 2 600-140 840 <br /> Surrogate a a,a-Trfluorotoluene 100 897 700-130 89 7 <br /> Matrix Spike Dua 9120016-MSD1 L911275-14 <br /> Benzene 12/3/99 100 4 61 13 0 ug/l 600-140 839 250 4 88 <br /> Toluene 100, ND 848 600-140 848 250 299 . <br /> Sequoia Analytical-San Carlos 'Refer to end of report fpr text of notes and definitions <br /> { <br /> , <br /> Page 20`of 28 <br />