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Sequoi 1551 Industrial Road <br /> San Carlos CA 94070-4111 <br /> (650)232-9600 <br /> Analytical a1ytical FAX(650)732-961Z <br /> , <br /> Gettler-Ryan/Geostrategtes(1) Project Unocal(1) - °Sampled 9116199 <br /> 6747 Sierra Court,Suite D project Number Unocal SS##5098 Received 9/16199 <br /> Dublin,CA 94568 Pro ect Manager Deanna Harding Reported 9/30199 <br /> Sample Description: MW-15 <br /> Laboratory Sample Number, L909147-09- - M <br /> Batch Date Date Specific Method/ Reporting <br /> lAnalyte Number Pr aired Analyzed Surra to Linuts Lieut Result Units Notes* <br /> Seauols Ana"cal-San Carlos <br /> Total Puraeable Hydrocarbons(C6-C12)and BTEX by DHS LUFT <br /> Purgeable Hydrocarbons as Gasoline 9090132 9/29/99 9/29/99 500 ND ug/1 <br /> Benzene " 0 500 ND " <br /> Toluene 0 500 1.50 it <br /> Ethylbenzene 0 500 ND " <br /> Xylenes(total) 0 500 1.93 " <br /> Surrogate a,a,a-Trefluorotoluene 60 0-140 79 9 % <br /> Volatile Organic Comyounds_byEPA Method 8010B <br /> Bromodtchloromethane 9090065 9117199 9/17/99 0 500 ND ug/1 <br /> Bromoform " 0 500 ND _ <br /> Bromomethane 100 ND " <br /> Carbon tetrachloride 0 500 ND " <br /> Chlorobenzene - - _ w —0500 ND ` <br /> Chloroethane 100 ND <br /> 2-Chloroethylvinyl ether l 00 ND " <br /> Chloroform 0 500 ND " <br /> Chloromethane 100 ND " <br /> Dibromochloromethane 0 500 ND " <br /> 1;3=Dichlorobenzene "----" -0 500 ND�"---__ --- <br /> 1,4-Dichlorobenzene 0 500 ND " <br />=1;2-Dichlorobenzene 4-- <br /> 1,1-Dichloroethane 0500 ND " <br /> 1,2-Dichlor6ethane— ---==� --- -- - - —"=- — �..-- - -=--= - =,--0500'----===-ND= <br /> I,1-Dichloroethene 0500 ND " <br /> cis-1,2-Dichioroethene 0500 ND " <br /> trans-l,2-Dichloroethene r 0 500 ND <br /> 1,2-Dtchloropropane 0 500 ND " <br /> cis-1,3-Dichloropropene -0500 ND " <br /> trans-l,3-Dichloropropene " 0 500 ND " <br /> Methylene chlonde 500 ND " <br /> 1,1,1,2-Tetrachloroethane - 0500 ND " <br /> Tetrachloroethene 0 500 ND " <br /> 1,1,1-Tnchloroethane 0500 ND " <br /> 1,1,2-Tnchloroethane 0 500 ND " <br /> Tnchloroethene 0 500 ND " <br /> Tnchlorofluoromethane 0 500 ND " <br /> - Vinyl chloride " 100 ND " <br /> —Surrogate I-Chloro-2 fluorobenzene " - 700-130 110 % <br /> Sequoia Analytical-San Carlos *Refer to end of report for text of notes and definmons <br /> Page 10 of 30 <br />