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i 9, I 5S i Industrial Roads <br /> Sequoia San Carlos, CA 94070-4111 <br /> ` (650) 232-96°0 <br /> Analytical FAx(6s°' 232-96121QF <br /> k <br /> Gettler-Ryan/Geostrategses(1) Project Unocal(i) , Sampled 11/23/99 <br /> 6747 Sierra Court,Suite D Project Number Unocal SS#01$7/Job#280045 Received 11/24/991 <br /> Dublin,CA 94568 Project Manager, Deanna Harding Reported 12/10/99 <br /> Sample Description. NP-2-60 <br /> Laboratory Sample Number r _ L911275-15 _ Y <br /> Batch Date Date Specific Method/ Reporting <br /> Analyte Number Prepared Analyzed Surrogate Limits Limit Result Units Notes* <br /> Sequoia Analytical-San Carlos <br /> Total Pur eable Hydrocarbons C6-C12 BTEX and MTBE by DHS LOFT <br /> Purgeable Hydrocarbons as Gasoline 9120023 12/6/99 12/6/99 1000 5840 ug(l 1 <br /> Benzene " too 1030 <br /> Toluene 100 766 " <br /> Ethylbenzene " " 100 234 „ <br /> Xylenes(total) 100 357 ': <br /> Methyl tert-butyl ether 100 5ZZ " <br /> Surrogate a,a,a-TnfTuorotoluene 700-130 90 6 % <br /> Volatile Organic Oxygenated Compounds by EPA Method 8260A <br /> Ethanol - 9120029 12/7/99 12/7/99 -,, - 10000 ND t'ug/l <br /> Tent-butyl alcohol 2000 ND v <br /> Methyl tert-butyl ether I 200 ND <br /> Di-isopropyl ether -t ` 200 ND - <br /> Ethyl tert-butyl ether - - " - _ Y- " _ " 200 ND - �• <br /> Tert-amyl methyl ether _ 200 _ND " <br /> Surrogate 1,2-Dichloroethane-d476 0-119 93 2 % <br /> i' <br /> .. es <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> Page 16 of 28 <br /> W) <br />