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1 1551 lndustnil Road <br /> Sequoia " '� <br /> ' '' " ''' San Carlos,CA 94070-4111 <br /> a (650) 232-9600 <br /> FAX(650) 232-961 z <br /> %07Analytical <br /> 1 + <br /> Genler-Ryan/Geostrategies(l) Project Unoca](1) , Sampled ,11/23/99 <br /> 6747 Sterna Court,Suite D Project Number Unocal SS#0187/Job#280045, Received 11/24/99 r ' <br /> Dublin,CA 94568 Project Manager Deanna Harding Reported 12/10/99 <br /> Sample Description• I iJ'I ' P <br /> Laboratory Sample Number. - - _L911275-09 <br /> Batch Date, Date " Specific Method/ Reporting <br /> lAnalyte Number Prepared Analyzed Surrogate Limits Limit Result Units No{es* <br /> - 1 .. . v x.�t,-s'�G.-i s ^" _ 3 T+y . S a3 4 1 -L i .F as i-.� S 5.^,•• „k - <br /> Sequoia Analytical-San Carlos <br /> Total Pu able Hydrocarbons(C6-C12),BTEX and MTBE by DHS LUFT <br /> Purgeable Hydrocarbons as Gasoline 9120015 12/3/99 12/3/99 500 ND ug/l <br /> Benzene to It , 0 500 ` ND <br /> Toluene 1 0 500 ND i <br /> Ethylbenzene " 0 500 ND <br /> Xylenes(total) " " " 0 500 ND <br /> Methyl tert-butyl ether 500, ND <br /> Surrogate a,a,a-Tnfluorotoluene 700-130 108 % <br /> Volatile Organic Oxvizenated Compounds by EPA Method 8260A <br /> Ethanol` 9120004 1211199 12/1/99 1000 ND ug/l <br /> Tert-butyl alcohol 200 ND " <br /> Methyl tert-butyl ether " " " 2 00 ND " <br /> -isopropyl ether _ "µ - " " ` ! - - It 200 203 <br /> to <br /> - Ethyl tert-butyl ether - " - - , - , 200 ND " <br /> Tent-amyl methyl ether _ __ 200 _ND <br /> Surrogate 12-Dichloroethane-d4 76 0-114 113 <br /> , + <br /> t I <br /> L ' ' <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definite, .� <br /> Page 10 of 28 <br /> `6G' <br />