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110 Second Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> Wit://www.mccamnbell.com E-mail:main@mccampbell.com <br /> I <br /> iAdvanced GeoEnvironmental Client Project ID:Geweke Date Sampled: 03/17/99 <br /> 4005 North Wilson Way <br /> Date Received: 03/19/99 <br /> Stockton, CA 95205 Client Contact: Kevin McKibben Date Extracted: 03/21-03/24/99 <br /> I [Client P.O: Date Analyzed: 03/21-03/24/99 <br /> Volatile Organics By GC/MS <br /> EPA method 8260 <br /> Lab ID 05370 <br /> Client ID MW-12 <br /> I Matrix W <br /> Compound Concentration* Compound Concentration* <br /> Acetone ND<3 Ethylbenzene 4.8 <br /> Benzene ND Hexachlorobutadiene ND <br /> Bromobenzene ND lodomethane ND <br /> Bromochloromethane ND Isopropylbenzene ND <br /> Bromodichloromethane ND p-Isopropyl toluene ND <br /> Bromoform ND Methyl butyl ketone` ' ND <br /> Bromomethane ND Methylene Chloride"' ND <br /> n-Butyl benzene ND Methyl ethyl ketone ND <br /> sec-Butyl benzene ND Methyl isobutyl ketone`s ND <br /> I tert-Butyl benzene ND Methyl tert-Butyl Ether(MTBE) --- <br /> Carbon Disulfide ND Napthalene ND <br /> Carbon Tetrachloride ND n-Propyl benzene ND <br /> Chiorobenzene ND Styrene ND <br /> • Cbloroethane ND 1,1,1,2-Tetrachloroethane ND <br /> 2-Chloroethyl Vinyi Ether` ND 1,1,2,2-Tetrachloroethane ND <br /> Chloroform ND Tetrachloroethene ND <br /> Chloromethane ND Toluene 9.6 <br /> 2-Chlorotoluene ND 1,2,3-Trichlorobenzene ND <br /> 4-Chlorotoluene ND 1,2,4-Trichiorobenzene ND <br /> Dibromochloromethane ND 1,1,1-Trichloroethane ND <br /> I 1,2-Dibromo-3-chioropropane ND 1,1,2-Trichloroethane ND <br /> Dibromomethane ND Trichloroethene ND <br /> 1,2-Dichlorobenzene ND Trichlorofluoromethane ND <br /> 1,3-Dichlorobenzene ND 1,2,3-Trichloropropane ND <br /> I 1,4-Dichlorobenzene ND 1,2,4-Trimethylbenzene 6.8 <br /> Dichlorodifluoromethane ND 1,3,5-Trimethylbenzene 1.6 <br /> 1,1-Dichloroethane ND Vinyl Acetate"I ND <br /> 1,2-Dichloroethane ND Vinyl Chloride`" ND <br /> I 1,1-Dichloroethene ND Xylenes,total 22 <br /> cis-1,2-Dichloroethene ND <br /> trans-1,2-Dichloroethene ND <br /> 1,2-Dichloropropane ND <br /> 1,3-Dichloropropane ND <br /> 2,2-Dichloropropane ND Comments: <br /> 1,1-Dichloropropene ND Surrogate Recoveries(%) <br /> cis-1,3-Dichloropropene ND Dibromofluoromethane 92 <br /> trans-1,3-Dichloropropene ND Toluene-d8 107 <br /> Ethylene dibromide ND 4-Bromofluorobenzene 113 <br /> 'water and vapor samples are reported in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipe and 211 TCLP/SPLP extracts in ug/L <br /> Reporting limits unless otherwise stated: water samples 1.0 ug/L; vapor samples 0.5 ug/L; solid and sludge samples 5 ug/kg; wipes <br /> 0.2ug/wipe ND means not detected above the reporting limit;NIA means analyte not applicable to this analysis <br /> (b) 2-propanone or dimethyl ketone; (c) (2-chloroethoxy) ethene; (d) 2-hexanone; (e) dichloromethane; (f) 2-butanone; (g) 4-methyl-2- <br /> pentanone or isopropylacetone; (h)lighter than water immiscible sheen is present; (i)liquid sample that contains greater than --5 vol. % <br /> I sediment;0)sample diluted due to high organic content; (k)peaks present in this carbon range do not match the pattern of our standard for <br /> chis analyte;{])methylbenzene;(m)acetic acid ethenyl ester;(n}chloroethene;{o}dimethylbenzenes. <br /> DHS Certi#ication No. 1b44 // Edward Hamilton,Lab Director <br />