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1551 industrial Read <br /> San Carlos,CA 94070-4111 <br /> Sequoia (650)132-96 <br /> FAX(650)z32-9612 2 <br /> 4 www-se4uolalabs coni <br /> 6D IV - <br /> Analytical <br /> Cattier-ltyen/GeostrateSles(1} Project; Tosco(5) � Sampled. 6126100 <br /> project Number Tosco(Unocal)SS#6981 Received. 627100 <br /> 6747 Sierra Court,Suite J °] Harding 7112100 <br /> Dublin,CA 94568 Project M �" Deanna <br /> Sample Description: VW4 <br /> Laboratory Sample Number: L006236-17 <br /> Batch Date Date Specific Method/ lteportmg Notes' <br /> Anal Number Anal Surro Limits LimitResult Unite <br /> Sequoia Analytical-San Carlos <br /> Total Pu eable A drocarbone C6-C12 BTEX and MTBE D L 500 3470 ug/l 2 <br /> Purgeable Hydrocarbons as Gasoline 0070026 717/00 717100 <br /> 500 „ <br /> n * „ <br /> Benzene „ n 500 ND It <br /> Toluene " n 500 ND " <br /> Ethylboazene n 5 00 43.2 " <br /> Xylenes(total) " „" 500 683 <br /> t b " <br /> Methyl tera 1 ether " " 70 0-130 110 % <br /> Surrogate a,a,a-Tn luorntoluene <br /> Volatile Orizenle gnvenated CqmRonds bX ELA Meth2d 820A 1000 1080 u9/1 <br /> Tert butyl alcohol 0070031 7/10/00 7/10/00 <br /> 200 1110 <br /> Methyl tert-butyl ether n „ 200 10 " <br /> rilftpropyl ether n n 200 ND " <br /> butyl ether " " 200 ND <br /> Tert-amyl meth 1 ether n " 76 0-114 Ill % <br /> Surrogate 1,2 Dichloroethane-d4 " <br /> r rt or text of notes and defimhow <br /> Sequoia Analytical-7San <br /> to end ofd f <br /> page 18 of 30 <br />