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I110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> MCCAWBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> Ihttp://www.mccamubell.com E-mail: main@mccampbell.com <br /> IAdvanced GeoEnvironmental Client Project ID: Geweke Date Sampled: 09/30/99 <br /> 4005 North Wilson Way Date Received: 10/02/99 <br /> Stockton, CA 95205 Client Contact: Kevin McKibben Date Extracted: 10/07-10/12/99 <br /> Client P.O: Date Analyzed: 10/07-10112/99 <br /> Volatile Organics By GC/MS <br /> EPA method 8260 <br /> Lab ID 22676 <br /> Client ID MW9 <br /> Matrix W <br /> compound Concentration* Compound Concentration* <br /> Acetone ror ND<60 trans-1,3-Dichloropropene ND<10 <br /> Benzene 10 Ethylene dibromide ND<10 <br /> Bromobenzene ND<10 Ethylbenzene 270 <br /> Bromochloromethane ND<10 Hexachlorobutadiene ND<10 <br /> I Bromodichloromethane ND<10 Iodomethane NIX 10 <br /> Bromoform ND<10 Isopropylbenzene 100 <br /> Bromomethane ND<10 -lso ropy]toluene ND<10 <br /> n-Butyl benzene 27 Methyl bury]ketone° NIX 10 <br /> sec-Butyl benzene 28 Methylene Chloride") ND<40 <br /> tert-Butyl benzene ND<10 Methyl ethyl ketone M ND<10 <br /> Carbon Disulfide ND<10 Methyl isobutyl ketone au ND<10 <br /> Carbon Tetrachloride ND<10 Meth 1 tert-Butyl Ether(MTBE) --- <br /> Chlorobenzene ND<10 Naphthalene ND<110 <br /> Chloroethane ND<10 n-Propyi benzene 180 <br /> 2-Chloroeth l Vinyl Ether`) ND<10 Styrene°1 ND<10 <br /> Chloroform ND<10 1,1,1,2-Tetrachloroethane ND<10 <br /> Chloroinethane N13<10 1,1,2,2-Tetrachloroethane ND<10 <br /> 2-Chlorotoiuene ND<10 Tetrachloroethene ND<30 <br /> 4-Chlorotoluene ND<10 ToluencloND<10 <br /> Dibromochloromethane ND<10 1,2,3-Trichlorobenzene ND<10 <br /> 1,2-Dibromo-3-chloro ro ane ND<10 1,2,4-Trichlorobenzene ND<10 <br /> Dibromomethane ND<10 1,1,1-Trichloroethane ND<10 <br /> 1,2-Dichlorobenzene ND<10 1,1,2-Trichloroethane ND<10 <br /> 1,3-Dichlorobenzene ND<10 Trichioroethene ND<10 <br /> 1,4-Dichlorobenzene ND<10 Trichlorofluoromethane ND<10 <br /> Dichlorodifl uoromethane ND<10 1,2,3-Trichl oropropane ND<10 <br /> ],]-Dichloroethane ND<10 1,2,4-Trimethylbenzene 410 <br /> I 1,2-Dichloroethane 100 1,3,5-Trimethylbenzene 74 <br /> 1,]-Dichloroetbene ND<10 Vinyl Acetate`°' ND<10 <br /> cis-1,2-Dichloroethene ND<10 Vinyl ChlorideND<10 <br /> trans-l,2-Dichloroethene ND<10 Xylenes,total 100 <br /> I 1,2-Dichloro ro ane ND<10 Comments: <br /> 13-Dichloro ro ane ND<10 Surrogate Recoveries <br /> 2,2-Dichloropropane ND<10 Dibromofluoromethane 99 <br /> ]J-Dichloropra ene ND<10 Toluene-d8 101 <br /> I <br /> cis-1,3-Dichloro ro ene ND<10 4-Bromofluorobenzene 96 <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 ug/L;vapor samples 0.5 ug/L;solid and sludge samples 5 ug/kg;wipes 0.2ug/wipe <br /> I ND means not detected above the reporting limit;N/A means analyte not applicable to this analysis <br /> (b) 2-propanone or dimethyl ketone; (c) (2-chioroethoxy) ethene; (d) 2-hexanone; (c) dichloromethane; (f) 2-butanone; (g) 4-methyl-2- <br /> pent4none 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) ethenylbenzene; (I) methylbenzene; (m) acetic acid ethenyl ester; (n) <br /> chloroetherte;(oY dimethylbenzenes. <br /> DHS Certification No. 1644 Edward Hamilton, Lab Director <br /> 1 <br />