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110 Second Avenue South,#137, Pacheco,CA 94553 <br />' mc, <br /> ANALYTICAL INC. Telephone : 510-798-1620 Fax : 510-798-1622 <br /> ltttpa/www.mccampbell.com E-mail: main@mccampbell.eom <br /> i <br />' Client Pro Date Sampled: 12/I6/97 <br /> Advanced GeoEnvironmental Project ID: Geweke <br /> 4005 North Wilson Way <br /> Date Received: 12/18/97 <br />' Stockton, CA 95205 Client Contact: Kevin McKibben Date Extracted: 12120-12122197 <br /> Client P.O: Date Analyzed: 12/20-12122197 <br />' Volatile Organics By GC/MS <br /> EPA method 8260 <br /> Lab ID 84301 <br />' Client ID MW-8/12-16-97 <br /> Matrix W <br /> Compound Concentration* Compound Concentration* <br />' Acetone` ND<4 Ethylbenzene 21 <br /> Benzene ND<4 Hexachlorobinadlene ND<4 <br /> Bromobenzene ND<4 lodomethane ND<4 <br />' Bromochloromethane ND<4 lsopropylbenzene 4.9 <br /> Bromodichloromethane ND<4 p-Isopropyl toluene ND<4 <br /> Bromoform ND<4 Methyl butyl ketone"' ND<4 <br /> Bromomethane ND<4 Methylene Chloride" ND<4 <br />' n-Butyl benzene ND<4 Methyl ethyl ketone" ND<4 <br /> sec-Butyl benzene ND<4 Methyl isobutyl ketone'k ND<4 <br /> Cert-Butyl benzene ND<4 Methyl tett-Butyl Ether(MTBE) ND<4 <br /> Carbon DisulCde ND<4 Napthalene ND<4 <br /> lieCarbon Tetrachloride ND<4 n-Propyl benzene 7.7 <br /> Chlorobenzene ND<4 Styrene' ' ND<4 <br /> Chloroethane ND<4 1,1,1,2-Tetrachloroethane ND<4 <br /> 2-Chloroethyl Vinyl Ether") ND<4 1.1,22-Tetrachloroethane ND<4 <br /> Chlorolbrm ND<4 Tetrachloroethene ND<4 <br /> Chloromethane ND<4 Toluene" ND<4 <br /> 2-Chlorotoluene ND<4 1,2,3-Trichlorobenzene ND<4 <br /> 4-Chlorotoluene ND<4 I,2,4-Trichlorohenzene ND<4 <br /> Dibromochloromethane ND<4 1,1,1-Trich1oroethanc ND<4 <br /> 1,2-Dibromo-3-ehloropropane ND<4 1,1,2-Trichloroethane ND<4 <br /> Dibromomethane ND<4 Trichloroethene ND<4 <br /> 1,2-Dichlorobenzene ND<4 Trichlorofluoromethane ND<4 <br />' <br /> 1,3-Dichlorobenzene ND<4 1,2,3-Trichloropropane ND<4 <br /> 1,4-Dichlorobenzene ND<4 1,2,4-Trimethylbenzene 41 <br /> Dichlorodifluoromethane ND<4 1,3,5-Trimethylben2ene 4.9 <br /> 1,1-Dichloroethane ND<4 Vinyl Acetate"' ND<4 <br /> 1,2-Dichloroethane ND<4 Vinyl Chloride"" ND<4 <br /> ],1-Dichloroethene ND<4 Xylenes,total '"' 17 <br /> cis-1,2-Dichloroethene NIX4 TPH-(g)(Co-C'12) --- <br /> trans-1,2-Dichloroethene ND<4 TAH-(ms)(C8-('12) --- <br /> 1,2-Dichloropropane ND<4 TP H-(k)(Cl --- <br /> 1,3-Dichloropropane ND<4 <br /> 2,2-Dichloropropane ND<4 Comments: <br /> I <br /> 1,1-Dichloropropene ND<4 Surrogate Recoveries('%) <br /> cis-1,3-Dichloropropene ND<4 Dibromolluoromelhane 98 <br /> trans-1,3-Dichloropropene ND<4 Toluene-d8 101 <br /> Ethylene dibromide ND<4 4-13romolluorobenzene 97 <br /> 'water and vapor samples are repotted in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipe and all TCLP/SPLP extracts in ug/L <br /> Reporting limits unless otherwise stated: water samples 0.5 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 /> 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 /> this analyte;(1)methylbenzene;(m)acetic acid ethenyl ester;(n)chloroethene;(o dimethylbenzenes. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> I <br />