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_ McCAMPBELL ANALYTICAL � 110 Second Avenue South, #D7, P C• Telephone:510-798-1620 Faxa 510�CA 94553 ham://www mccamobell com E- 798'1622 �' mail: main@mccampbell.com IAdvanced GeoEnvironmentalI Client Project ID: Cherokee Truck Stop Date Sampled: 09/18-09/22/97 1 ono . Lane, Ste A Date Received: 09/23/97 Stockton, CA 95207 Client Contact: Kevin McKibben Date Extracted: 09/24/97 Client P.O: Date Analyzed: 09/24-09/29/97 EPA method 8260 Volatile Organics By GC/MS Lab ID Client ID 81037 Matrix P - Compound Concentration* Acetom NDc40 Compound Concentration Benzene trans-1,3-Dichloropropene ND<40 Brornobenzene ND<40 Ethylene dibromide' ND<40 ND<40 Ethylbenzene ND<40 Brottwchloromethane ND<40 Hexachlorobutadiene ND<40 Bromodichloromethane ND<40 lodomethme ND<40 Bromoform ND<40 Isopropylbenzene 160 Bromotrelhane ND<40 I p -Isopropyl toluene ND<40 n -Butyl benzene 440 1 Methyl butyl ketone "' NIK40 sec -Butyl benzene 150 Methylene Chloride" ND<40 tert-Butyl benzene 84 Methyl ethyl ketones' ND<40 Carbon Disulfide ND<40 Methyl isobutyl ketone' ND<40 Carbon Tetrachloride ND<40 Methyl lert-Butyl Ether (MTBE) --- Chlorobenzene ND<40 Napthalene ND<65 Chloroethane ND<40 n -Propyl benzene 340 2-Chloroethyl Vinyl Ethe ND<40 Styrene' ND<40 Chloroform ND<40 1,1,1,2-Tetrachloroeth2ne ND<40 Chloromethane ND<40 1,1,2,2•Tetmchloroethane ND<40 2-Chlorotoluene ND<40 Tetrachloroethene ND<40 4-Chlorotoluene ND<40 Toluene"' ND<40 Dibromochlommethane ND<40 1,2,3-Trichlorobenzene 1,2-Dibromo-3-ehloropropane ND<40 1,2,4-Trichlorobenzene ND<40 Dibrornamethane ND<40 1,1,1 -Trichloroethane ND<40 1,2•Dichlorobenzme 7D<40 1,1,2 -Trichloroethane ND<40 1,3 -Dichlorobenzene ND<40 Trichloroethene ND<40 1,4 -Dichlorobenzene ND<40 Trichlorofluoromethane ND<40 ND<40 Dichlorodifluoromethane ND<40 1,2,3-Trichloropropane EN� 250 1,1-Dichlorcethane ND<40 1,2,4-Trimethylbenzene ND<40 1,2-Dichlormthane NIK40 1,3,5-Trinethylbemzene ND<40 1,1•Dichlorcethrne ND<40 Vinyl Acetate"" ND<40 cis-1,2-Dichlorcethene ND<40 Vinyl Chloride'°' ND<40 trans-l,2-Dichloroethene ND<40 Xylenes, total 's 1,2-Dichloropropane ND<40 Comments:j 1,3-Dichloropropane ND<40 Surrogate Recoveries (% ) T 90 2,2-Diehloropmpane ND<40 Dibromofluoromethane 96 1,1-Dichloropropene ND<40 Toluene -d8 82 cis-1,3-Dichloropropene ND<40 4-Bromofluorobenzene 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 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 ND means not detected above the reporting limit; N/A means analyte not applicable to this analysis (b) 2-propanone or dimethyl ketone; (c) (2-ehloroethoxy) ethene; (d) 2-hexanone; (e) dichloromethane; (f) 2-butanone; (g) 4-methyl-2- liquid that contains greater than —5 vol. % pentanone or isopropylacetone; (h) lighter than water immiscible sheen is present; (i) sample (1) methylbenzene; (m) acetic acid ethenyl ester; (n) sediment; 6) sample diluted due to high organic content; (k) ethenylbenzene; chloroethene;(o) dimethylbenzenes. DHS Certification No. 1644 /1// Edward Hamilton, Lab Director