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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive r Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> Kaprealian Engineering, Inc. Client Project ID Unocal, 3788 Tracy Blvd.,Tracy Sampled: Jun 18, 1990 <br /> "'P.O. Box 996 Sample Descript: Soil, W.O.1 Received: Jun 19, 1990:... <br /> Benicia, CA 94510 Analysis Method: EPA 5030/8010 Analyzed: Jun 19, 1990 's <br /> Attention Mardo Kapreahan P E. Lab Number 006-2687 Reported_ Jun 20, 1990 <br /> HALOGENATED VOLATILE ORGANICS (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> Ng/kg Ng/kg <br /> Bromodichloromethane.................................................... 5.0 ..................................... N.D. <br /> Bromoform........................................................................ 5.0 ..............I...................... N.D. <br /> Bromomethane................................................................. 5.0 ..................................... N.D. <br /> Carbon tetrachloride......................................................... 5.0 ...........I......................... N.D. <br /> Chlorobenzene.................................................................. 5.0 ..................................... N.D. <br /> Chloroethane..................................................................... 25 ..................................... N.D. <br /> 2-Chloroethylvinyl ether.................................................... 5.0 ..................................... N.D. <br /> Chloroform........................................................................ 5.0 ..................................... N.D. <br /> Chloromethane.................................................................. 5.0 ..................................... N.D. <br /> Dibromochloromethane.................................................... 5.0 ..................................... N.D. <br /> 1,2-Dichlorobenzene......................................................... 10 ..................................... N.D. <br /> 1,3-Dichlorobenzene......................................................... 10 ..................................... N.D. <br /> 1,4-Dichlorobenzene......................................................... 10 ..................................... N.D. <br /> 1.1-Dichloroethane............................................................ 5.0 ..................................... N.D. <br /> 1,1-Dichloroethene............................................................ 5.0 ........................a............ N.D. <br /> ota 11,2-D Ich I oroethene 5.0 <br /> 24 <br /> 1,2-Dichloropropane.................................................a....... 5.0 ..................................... N.D. <br /> cis-1,3-Dichloropropene.....................................a....a........ 5.0 .......................a...........a. N.D. <br /> trans-1,3-Dichloropropene................................................ 5.0 ..................................... N.D. <br /> Methylenechloride.......a.................................................... 10 ............a........................ N.D. <br /> 1,1,2,2-Tetrachloroethane................................................. 5.0 .......a........................... N.D. <br /> etrachloroethene...... bD <br /> 14 <br /> F1-Trichloroethane 1-Trichloroethane.. 5:0 _ $;7 <br /> _. _. <br /> 1,1.2-Trichloroethane........................................................ 5.0 ..................................... N.D. <br /> Trichloroethene......................................................a.......... 5.0 ..................................... N.D. <br /> Trichlorofluoromethane.................................................... 5.0 .......a............................. N.D. <br /> Vinylchloride..................................................................... 10 ..........................a.....a.... N.D. <br /> &.vi Iq aAy,, 216 <br /> Y-.{ � �' •fes t <br /> OCT 11 iCWO <br /> `wvlhc�.i,iv1`iVTAI ..f . <br /> Analytes reported as N.D.were not present above the stated limit of detection. <br /> SEQUOIA ANALYTICAL <br /> Belinda C.Vega <br /> Project Manager 62687.KEI <4> <br />