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j SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> kiEngineering Science&Tech. Client Project ID: Arco #548/ EA 92-2 Sampled Mar 24, 1992 <br /> 41-A Lafayette Circle Sample Descript: Soil, S61-0 Received: Mar 25, 1992<' <br /> ,�11-afayette, CA 94549 Analysis Method: EPA 8240 Analyzed: Mar 25, 1992';.: <br /> - <br /> -Attention: Brian Thomas <br /> Lab Number: <br /> 2D3-11 6 <br /> 3 <br /> Reported. Mar 26 <br /> �;..... 1992'::' <br /> A <br /> VOLATILE ORGANICS by GC/MS (EPA 8240) <br /> Analyte Detection Limit Sample Results <br /> I <br /> N9/k9 N9/k9 _ <br /> Acetone......................... • ............. 500 -------......................---..... N.D. <br /> Benzene............................................................................. 100 ..................................... N.D. <br /> Bromodichloromethane.................................................... 100 ............................I........ N.D. <br /> Bromoform......................................................................... 100 ................................... N.D. <br /> Bromomethane.................................................................. 100 ................................. N.D. <br /> 2-Butanone................................................•----.--................ 500 ..................................... N.D. <br /> Carbondisulfide................................................................ 100 ......................I............ N.D. <br /> Carbontetrachloride......................................................... 100 ..................................... N.D. <br /> Chlorobenzene.........................................................•----.... 100 .............................I....... N.D. <br /> Chloroethane...........................•----..................................... 100 ..................................... N.D. <br /> 2-Chloroethyl vinyl ether................................................... 500 ...................-----............. N.D. <br /> Chloroform......................................................................... 100 ..............I...................... N.D. <br /> ioromethane.................................................................. 100 ................I.................... N.D. <br /> romochloromethane.................................................... 100 ..................................... N.D. <br /> ,1-Dichioroethane..........................................--....:........... 100 ..................................... N.D. <br /> 1,2-Dichloroethane............................................................ 100 ..................................... N.D. <br /> J 1,1-Dichlorcethene............................................................................ 100 ..................................... N.D. <br /> cis-1,2-Dichloroethene...................................................... 100 ..................................... N.D. <br /> trans-1,2-Dichloroethene................................................... 100 ..................................... N.D. <br /> 1,2-Dichloropropane......................................................... 100 ..................................... N.D. <br /> cis-1,3-Dichloropropene.................................................... 100 ..................................... N.D. <br /> trans-1,3-Dichloropropene................................................ 10D ..................................... N.D. <br /> Ethylbenzene..................................................................... 100 .............................I....... N.D. <br /> 2-Hexanone....................................................................... 500 ..................................... N.D. <br /> Methylenechloride............................................................ 250 ..................................... N.D. <br /> 4-M ethyl-2-pentanone....................................................... 500 ..............I............I......... N.D. <br /> Styrene................•-•--.............................------..................---.. 100 ..................................... N.D. <br /> 1,1,2,2-Tetrachloroethane................................................. 100 ..................................... N.D. <br /> Tetrachloroethene............................................................. 100 ..................................... N.D. <br /> Toluene.............................................................................. 100 ..................................... N.D. <br /> 1,1,1-Trichloroethane........................................................ 100 ................I.................... N.D. <br /> 1,1,2-Trichloroethane........................................................ 100 ..................................... N.D. <br /> Trichloroethene........................... ..................................... 100 ..................................... N.D. <br /> Trichlorofluoromethane..................................................... 100 ..............I...................... N.D. <br /> s, Vinyl acetate......................•-------.--.............. <br /> ....................... 100 ..................................... N.D. <br /> Vinylchloride..................................................................... 100 ..................................... N.D. <br /> TotalXylenes .................................................. <br /> .................. 100 ..................................... N.D. <br /> ' tes reported as N.D.were not present above the stated limit of detection. <br /> ICalyUOIA ANALYTICAL <br /> Cott A. Chieffo <br /> Project Manager <br /> 2031135.EEE c3> <br />