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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (925)988-9600 FAX(925)988-9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 {916}921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma.CA 94954 (707)792-1865 FAX(707)792-0342 <br /> EF- <br /> Gettler Ryan%Geostrategies^ ~ Client Prol ID UNOCAL 0123,280047 85 - — Sampled 06/22/98µ <br /> r 6747 Sierra Court Suite J Sample Descript U-4 Received 06/22/98 <br /> Dublin, CA 94568 Matrix LIQUID = <br /> Analysis Method EPA 8010 Analyzed 07/01/98 <br /> Attention Deanna Harding Lab Number 9806E65-05 _ _ " ___ Reported 07/1798 <br /> QC Batch Number GG070198OVOA09A <br /> Instrument 1D GCHP09 <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 10 N D <br /> Carbon Tetrachloride 050 N D <br /> Chlorobenzene 050 N D <br /> Chloroethane 10 N D <br /> 2-Chloroethylvinyl ether 10 N D <br /> Chloroform 050 N D <br /> Chloromethane 10 N D <br /> Dibromochloromethane 050 N D <br /> 1,2-Dichlorobenzene 050 N D <br /> 1 3-Dichlorobenzene 050 N D <br /> �Dichlorobenzene 060 N D <br /> Dlchloroethane 050 N D <br /> 1,2-Dichloroethane 0 50 N D <br /> 1,1-D Ichioroethene 050 N D <br /> cis-1,2-Drchloroethene 050 .. 059 <br /> trans-1,2-Drchloroethene . . . 0.50 - - ... 063 <br /> 1,2-Dlchloropropane 050 ND <br /> cis-1,3-Dichloropropene 050 ND <br /> trans-1,3-Dichloropropene 050 N D <br /> Methylene chloride 50 N D <br /> 1,1,2,2-Tetrachloroethane 050 N D <br /> Tetrachloroethene . . 050 .. 37 <br /> 1,1,1-Trichloroethane 050 N D <br /> 1,1,2-Trichloroethane 050 ND <br /> Trichloroethene 0.50 066 <br /> Trichlorofluoromethane 050 ND <br /> Vinyl chloride 10 N D <br /> Surrogates Control Limits% % Recovery <br /> 1-Ch loro-2-fluorobenzene 70 130 89 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP #1210 <br /> ranicher <br /> Project Manager Page �a <br />