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110 Second Avenue South,4137,Pacheco,CA 94553-5560 <br /> Yom. McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> J <br /> hap:/-/­wmay.mc.campbelf.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID:Elkhorn CC; 1050 Date Sampled: 07/07/48 <br /> Elkhorn Drive Date Received: 07/08/98 <br /> 4005 North Wilson Way <br /> 1:=1 <br /> I Stockton,CA 95245 Client Contact:Bill Little Date Extracted:07108-07110198 <br /> Client P.O: Date Analyzed:07/08-07110198 <br /> Volatile Organics By GC/MS <br /> EPA method 8260 <br /> Lab 1D 91817 <br /> Client ID MW-2 <br /> Matrix W <br /> Compound Concentration* Compound Concentration* <br /> l Acetone ND<3 Ethylbenzene 2.6 <br /> Benzene 3.6 Hexachlorobutadiene ND <br /> Bromobenzene ND iodomethane 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 3.1 Methyl ethyl ketone ND <br /> sec-Butyl benzene 1.9 Methyl isobutyl ketone a ND <br /> tert-Butyl benzene ND Methyl tert-Butyl Ether(MTBE) -- <br /> Carbon Disulfide ND Naphthalene ND<6 <br /> Carbon Tetrachloride ND n-Propyl benzene ND <br /> -= ' Chlorobenzene ND Styrene ND <br /> Chloroethane ND 1,1,1,2-Tetrachloroethane ND <br /> c<, 2-Chloroethyl Vinyl Ether` ND 1,1,2,2-Tetrachloroethane ND <br /> Chloroform ND Tetrachloroethene ND <br /> Chloromethane 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-chloropropane 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 /> a" 1,4-Dichlorobenzene ND 1,2,4-Trimethylbenzene 4.7 <br /> Dichlorodifluoromethane ND 1,3,5-Trimethylbenzene 1.5 <br /> 1,1-Dichloroethane ND Vinyl Acetate " ND <br /> 1,2-Dichloroethane 1.8 Vinyl Chloride " ND <br /> 1,1-Dichloroethene ND Xylenes,total ND <br /> cis-1,2-Dichloroethene ND <br /> 1 trans-1,2-Dichloroethene ND <br /> ? 1,2-Dichloropropane ND <br /> 1,3-Dichloropropane ND <br /> 2,2-Dichloropmpane ND Comments: <br /> 1,1-Dichloropropene ND Surrogate Recoveries(%) <br /> cis-1,3-Dichloropropene ND I Dibromofluoromethane 109 <br /> trans-1,3-Dichloropropene ND Toluene-d8 100 <br /> Ethylene dibromide ND 4-Bromofluorobenzene 103 <br /> water and vapor samples are reported in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipe and all TCLP 1 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 /> J0.2ug/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;(j)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;p)methylbenzene;(m)acetic acid ethenyl ester;(n)cb]oroethene;(o)dimethylbenzenes. <br /> _: DHS Certification No. 1644 / Edward Hamilton,Lab Director <br />