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<br /> REPORT DATE July 7, =000 THE TWINING LABORATORIES, INC.
<br /> LABORATORY ID : 700-3048.4 PAGE 6 of 11
<br /> DATE SAMPLED : 05/18/00 at 1600 by M. Kloberdanz }'
<br /> DATE RECEIVED 05/23/00 at 091 5 from T. Juif ,
<br /> CLIENT SEMCO
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<br /> DATE ANALYZED : 06/03/00 SAMPLE TYPE: Soil/Solid
<br /> ANALYZED BY R. Cortez REVIEWED-'BY: G. Rodrigo
<br /> CLIENT SAMPLE ID NW-6' ,
<br /> VOLATILE ORGANIC COMPOUNDS METHOD: EPA 8260 UNITS: U91k9
<br /> CONSTIT13ENT RESULT DLR I CONSTITLUF_N, -RF5UI_T DLR
<br /> Bromodichloromethane ND' 5 6romomethane (Methyl Bromide) NO'- 5
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<br /> Bromoform NO'. 5 n-Butylbenzene
<br /> Chioroform(Trichloromethane) NO' 5 sec-Butvlbenzene ND'" 5
<br /> Dibromochforomethane. ND" 5 ter--Butylb-nzene NO' S
<br /> 1,2-Dibroma-3-Chloroprcpone IDBCP) NO. 5 Chloroethane ND' 5
<br /> Benzene - NO' 5 Chloromethane (Methyl Chloride! ND" 5
<br /> Carbon Tetrachloride NO' 5 2-Chlorotoulene NO' 5
<br /> Ethylbenzene NO'. 5 4-Chlcrotniuene NO' 5
<br /> 1,4-Dichlorobenzene (p-DCB1 ND'l 5 Dibromometh ane ND' 5
<br /> 1,1-Dichloroethane (1,1-DCA) ND" 5 2-Dichlorobnzene {o-DCB1 NO, 5
<br /> 1,2-Dichloroethane (1,2-DCA) ND" 5 1,3-Dichlarob)ynzene !m-DCB! ND' S
<br /> 1,1-Dichloroethylene ('i,1-DCLI ND 5 Dichlorndifluoromethane ND' 5
<br /> cis-1,2-0ichlero ethylene Sc-12-DCE) NO' 5 Dichloremethane (Methylene Chloride) NO' 5
<br /> trans-l,2-Dichloroethylene {t-1,2•DCE) ND' 5 1,3-Oichforoprgpare NO' g
<br /> 1,2-Dichloropropane ND'" 5 2.2-Dichforopryoypane NO, 5
<br /> Total 1,3-Dichloropropene - ND' 5 - 1,1-Dichiomprp'pene
<br /> Monochlorobenzene (Chlorobenzene) ND' 5 1-fexachlorobutadiene - NO' 5
<br /> 1.1,2,2-Tetrachloroethane NO' 5 Isoorogylbenz;ne.{Cumene) NO, 5
<br /> Tetrachloroethylene (PCE! ND'" 5 p-Isopropyltol ene No' 5
<br /> 1,1,1-Trichloroethane (1.'I,1-TCA) ND' 5 Ethylene dibro ide (FDR) ND" 5
<br /> 1,1,2-Trichloroethane (1,'1,2-TCA) ND'" 5 Napthalene ND' 5
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<br /> Trichloroethylene 7CE) NO' 5 n-Propyibenzene ND' 5
<br /> Trichlorofluoromethane (r-'rean 11) NO' 5F
<br /> St"ne ND' 5
<br /> cis-1,3-Dichloroprop ene NO 5 1, ,1,2-Tetra 111oroeth3ne ND" 5
<br /> Vinyl Chforide (VCS ND" 5 Toluene + ND' 5
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<br /> m,p-Xylene NE), 5 '1,2,3 7richlnrobenzere NO, 5
<br /> o-Xylene NO'. 5 1,2,4-Trichfor6`benzene ND'' 5
<br /> trans-1,3-Dichloropropene N4'' 5 '1,2,3-Trichiorppro pane ND' 5
<br /> -�- Bramobenzene ND-' 5 3,2,4-Trirnethyll:enzene ND 5
<br /> Bromochloromethane NO' 5 1,3,5-Tr'irnethly[benzere Nil" S
<br /> ug/Kg: Micrograms per kilogram (Ppb) Rev. 4_1!13 (8260.vvks)
<br /> 'ANALYZED PAST HOLD TIME, RESULTS NOT SUITABLE FOR REGULATORY REPORTING PURPOSES.
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