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, <br /> Sequoia ios, industrial Read <br /> San Carlos,CA 94070-4111 <br /> „ (650) 232-9600 <br /> Analytical FAX(650) 232-9612 <br /> Getticr-RyanJGeostrategies(1) Project Unocal(1) Sampled 9/16/99 <br /> 6747 Sierra Court,Suite D Project Number Unocal SS#5098 Received 9/16/99 <br /> Dublin,CA 94568 Project Manager Deanna HardinT Reported 9/30/99 <br /> Sample Description: MW-10 <br /> Laboratory Sample Number: L909147-02 - r <br /> Batch Date Date Specific Method/ Reporting <br /> lAnalyte Number PIMared Analyzed Surrogate Limits Limit Result Units Notes* <br /> Sequoia Ana cal-San Carlos <br /> Total Purgeable Hydrocarbons(C6-C12)and BTEX by DHS LUFT <br /> Purgeable Hydrocarbons as Gasoline 9090131 9/28/99 9/28199 500 ND ug/I <br /> Bene " It 0 500 ND " <br /> Toluene ItIt 0 500 101 " <br /> Ethylbenzene It <br /> " 0 500 ND <br /> Xylenes(total) It " 0 500 115 " <br /> Surrogate a,a,a-Tnfluorotoluene 600-140 883 <br /> Volatile Organic Compounds by EPA Method 80101 <br /> Bromodichloromethane 9090065 9/17/99 9117/99 0 500 ND ug/l <br /> Bromoform - 0 500 ND " <br /> Bromomethane 100 ND " <br /> Carbon tetrachlonde 0 500 ND " <br /> Chlorobenzene 0 500 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 500W- ND-= __-- <br /> 1,4-Dichlorobenzene 0 500 ND <br /> 1,2=Di6hl6ro6enzene- �_ -� _ - -�-�--0 5 0� -_ •. _- <br /> 1,l-Dichloroethane 0 500 ND " <br /> -- - ; „ <br /> !,2 }ia <br /> -Dichloroetne-_ .�_ -- 0500— -_ D_--1,1-Dichloroethene 0500 ND " <br /> cts-1,2-Dichloroethene 0500 ND " <br /> trans-l,2-Dichloroethene 0 500 ND " <br /> 1,2-Dichloropropane 0 500 ND " <br /> cis-1,3-Dichloropropene 0 500 ND " <br /> trans-l,3-Dichloropropene 0 500 ND " <br /> Methylene chlonde _ 5.00 ND <br /> -1,1,1,2-Tetrachloroethane 0500 ND <br /> Tetrachloroethene 0 500 ND " <br /> 1,1,1-Tnchloroethanc 0500 ND " <br /> 1,1,2-Tnchloroethane 0500 ND " <br /> Tnchloroethene 0 500 ND " <br /> Tnchlorofluoromethane 0 500 ND " <br /> Vtnyl chlonde _ _ 1 00 ND " <br />--Surrogate 1-Chloro-2 fluorobenzene 700-130 101 % _ <br /> Sequota Analytical-San Carlos *Refer to end of report for text of notes and definitions <br /> Page 3 of 30 <br /> r� <br />