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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax : 925-798-1622 <br /> http://www.mccampbell.com E-mail: main@mccampbell.com <br /> Advanced GeoEnvironmenta) Client Project ID: Geweke Date Sampled: 12/21/98 <br /> 4005 North Wilson Way <br /> Date Received: 12/22/98 <br /> Stockton,CA 95205 Client Contact: Kevin McKibben Date Extracted: 01/02/99 <br /> Client P.O: Date Analyzed: 01/02/99 <br /> Volatile Organics By GC/MS <br /> EPA method 8260 <br /> Lab ID 00785 <br /> Client ID MW-7/12-21-98 <br /> Matrix W <br /> Compound Concentration* Compound Concentration* <br /> Acetone ND<5 Ethylbenzene ND <br /> Benzene ND Hexachlorobutadiene ND <br /> Bromobenzene ND ]odomethane ND <br /> Bromochloromethane ND Isopropylbenzene ND <br /> Bromodichloromethane ND p-Isopropyl toluene ND <br /> Bromofonn ND Methyl butyl ketoneND <br /> Bromomethane ND Methylene Chloride" ND <br /> n-Butyl benzene ND Methyl ethyl ketone` ND <br /> sec-Butyl benzene 2.7 Methyl isobutyl ketone'9 ND <br /> lert-Butyl benzene ND Methyl tert-Butyl Ether(MTBE) --- <br /> Carbon Disulfide ND Napthalene ND <br /> Carbon Tetrachloride ND n-Propyl benzene ND <br /> Chlorobenzene ND Styrene ND <br /> Chloroethane ND 1,1,1,2-Tetrachloroethane ND <br /> 2-Chloroethyl Vinyl Ether" ND 1,1,2,2-Tetrachloroethane ND <br /> Chloroform ND Tetrachloroethene ND <br /> Ch3oromethane ND Toluene` ND <br /> 2-Chlorotoluene ND 1,2,3-Trichlorobenzene ND <br /> 4-Chlorotoluene ND 1,2,4-Trichlorobenzene ND <br /> Dibromochloromethane ND 1,1,1-Trichloroethane ND <br /> 1,2-Dibromo-3-chtoropropane 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-Trichloropropanc ND <br /> 1,4-Dichlorobenzene ND 1,2,4-Trimethyibenzene 2.2 <br /> Dichlorodifluoromethane ND 1,3,5-Trimetbylbenzene ND <br /> l,]-Dichloroethane ND Vinyl Acetate"' ND <br /> 1,2-Dichloroethane 3.5 Vinyl Chloride " ND <br /> 1,1-Dichloroethene ND Xylenes,total ND <br /> cis-1,2-Dichloroethene ND <br /> trans-i,2-Dichloroethene ND <br /> 1,2-Dichloropropane ND <br /> 1,3-Dichloropropane N D <br /> 2,2-Dichloropropane ND Comments: <br /> I,1-Dichioropropene ND Surrogate Recoveries(%) <br /> cis-1,3-Dichloropropene ND Dibromofluoromethane 98 <br /> trans-1,3-Dichloropropene ND Toluene-d8 93 <br /> Ethylene dibrOmide ND 4-Bromofluorobenzene 108 <br /> Water and vapor samples are reported 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 1.0 ug/L; vapor samples 0.5 ug/L; solid and sludge samples 5 ug/kg; wipes <br /> 0.2uglwipe 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; (c) 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;O 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)chlomethene;(o)dimethylbenzenes. <br /> DHS Certification No. 1644 Edward Hamilton, Lab Director <br />