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y . 1551 Industrial Road <br /> Sequoia San Carlos,CA 94070-4111 <br /> (650) 232-9600 <br /> Analytical FAX(650) 232-9612 <br /> VnA <br /> eostrategies(1) Project: Unocal(1) Sampled 6/t7/99 <br /> urt,Suite D Project Number Unocal SS#50981!OB#280046 85 Received 6118/99 <br /> 568 <br /> Project Manager Deanna Hardin R rted 6123/99 <br /> TotaI Puigeable Hydrocarbons(C6-C12),'BTEX and MTBE by DHS LUFT/Quality Control <br /> _Sequoia Analytical-San Carlos; <br /> Date Spike Sample QC Reporting Limit RecOv RPD RPD <br /> e Anal ed Level Result Result Units Recov Limits % Limit % Notes* <br /> itch 9060116 Date Pre orad 6121/99 Extraction Method EP k 5030B P <br /> 9060116-BLKI <br /> i- a- ble Hydrocarbons as Gasoline 6121199 ND ug/I 50.0 <br /> tND 0 500 <br /> he <br /> 0 500 <br /> Auene „ <br /> enzene ND 0 500 <br /> es(total) ND 0 500 <br /> it <br /> ethyl tert-butyl ether ND 5 00 _ <br /> gore aaa-Tnfluorotoluene <br /> " 10 0 10.3 700-130 103 <br /> 1 9060116-13SI <br /> enzene 6/21/99 100 930 ug/l 700-130 930 <br /> nc 100 858 700-130 85 8 <br />�bcnzene n 100 <br /> 9 67 700-130 96 7 <br /> vlenes(total) ---- 300 28 1 700-130 93_7—_ _- - - - ------- ----- - - -- - --------- <br /> - — - -10 0 9 74 700-130 974 2 <br /> jite aaa-Tnflceorotofuene " <br /> S i1.e 9060116-NISI <br /> enzene 6/22/99 9 15 ugn 600-140 <br /> C 997 600-140 <br /> 9 19 600-140rlZzene0 -- <br /> ylenes(total) —_ _-- — 28 8 " 60_0-140 <br /> gate a a a-Tnfluorotoluene 10 0 ND 70 0-130 NR <br /> Ik%Spike Dug 9060116-MSDI <br /> enzene <br /> 6122/99 890 ug/I 600-140 25 0 <br /> „ <br /> " 9 Of 600-140 25 0 <br /> fenc <br /> benzene 933 600-140 25 0 <br /> ves 279 - " 600-140 -__ —25 0____---- <br /> gate a a a-Trifluorotoluene too <br /> ND If70 0-130 NR <br /> 9060121 Date Prepared 6121/99 Extraction Method EPA 50308 PrT <br /> flank 9060121-BLK1 <br /> cable Hydrocarbons as Gasoline 6/21/99 <br /> gea ND ug11 50 0 <br /> ND 0 500 <br /> " ND 0 500 <br /> 1g <br /> uene 0 500 <br /> .th lbenzene ND <br /> nes(total} ND 0 500 <br /> hl tert-butyl ether - - -- _-- _- -- -- __ _ _ _ ND " _ _ Soo <br /> surrogate a a a-Trif]uorotoluene "- 10 0 8 85 70 0-130 88 S <br /> to Analytical-San Carlos *Refer to end of report for text of notes and defrnrtians <br /> F Se6of8 <br /> m <br />