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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> A 140 et Lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988-9673 <br /> SI f venue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> well Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)79Z-0342 <br /> v 1 l�—; <br /> Gettler Ryan/Geo&;bi;e - C 1� ID Former Unocal Facility #5098 Sampled 09/15/98 <br /> 6747 Sierra Court Suit tAERAL CONTI 'RescDnpt MW-10 Received 09/15/98 <br /> Dublin, CA 94568 Matrix LIQUID <br /> - Analysis Method EPA 8010 Analyzed 09/28/98 <br /> ;Attention_Deanna Harding " Lab Number 9809909-02 Reported 09J3019$" s <br /> QC Batch Number GC0927980VOA2913 -'- <br /> Instrument ID GCHP29 <br /> Halogenated Volatile Organics (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> ug/L ug/L <br /> Bromodichloromethane 050 N D <br /> Bromoform 050 N D <br /> Bromomethane 1 0 N D <br /> Carbon Tetrachloride 0 50 N D <br /> Chlorobenzene 050 N D <br /> Chloroethane 1 0 N D <br /> Chloroform 0 50 N D <br /> Chloromethane 10 N D <br /> Dibromochloromethane 050 N D <br /> 1,2-Dichlorobenzene 050 N D <br /> 1,3-Dichlorobenzene 0 50 N D <br /> 1,4-Dichlorobenzene 0 50 N D <br /> ' 1 1-Dichloroethane 0 50 N D <br /> 4 0-1,2-Dichloroethene <br /> -Dichloroethane 0 50 N D <br /> Dichloroethene 050 N D <br /> 050 N D <br /> trans-1,2-Dichloroethene 0 50 N D <br /> 1,2-Dichloropropane 050 N D <br /> cis-1,3-Dichloropropene 050 N D <br /> trans-1,3-Dlchloropropene 050 N D <br /> Methylene chloride 50 N D <br /> 1,1,2,2-Tetrachloroethane 050 N D <br /> Tetrachloroethane 050 N D <br /> 1 1,1-Trichloroethane 050 ND <br /> 1,1,2-Trichloroethane 050 N D <br /> Trichloroethene 050 N D <br /> Trichlorofluoromethane 050 N D <br /> Vinyl chloride 10 N D <br /> Surrogates Control Limits % % Recovery <br /> 1-Chloro-3-fluorobenzene 70 130 77 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> Granicher <br /> ct Manager <br /> Page 1 <br />