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<br /> I 10 Second Avenue South,#D7, Pacheco,CA 94553-5560
<br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622
<br /> Ihttp//www mecam 11 com E-mail main@mccampbell com
<br /> Advanced Geo Environmental Client Project ID Arco Mint Mart Date Sampled 04/29-05/01/98
<br /> Date Received 05/02/98
<br /> 4005 North Wilson Way
<br /> IStockton, CA 95205 Client Contact Bill Little Date Extracted 05/06/98
<br /> Client P 0 Date Analyzed 05/06/98
<br /> Volatile Organics By GC/MS
<br /> EP4 method 8260
<br /> Lab ID 88802
<br /> Client ID B]5-HZO
<br /> Matrix W
<br /> Compound Concentration* Compound Concentration*
<br /> I Acetone ' NDQO Ethylbenzene ND
<br /> Benzene ND 1-fexachlorobutadiene ND
<br /> Bromobenzene ND lodomethane ND
<br /> Bromochlommethane ND lsopropylbenzene ND
<br /> Bromodichloromethane ND p-Isopropyl toluene ND
<br /> Bromoform ND Methyl butyl ketone` 2 0
<br /> Bromomethane ND Methylene Chloride"' ND
<br /> n-Butyl benzene ND Methyl ethyl Letone --- 3 3
<br /> sec-Butyl benzene ND Methyl isobutyl ketone`x ND
<br /> tert-Butyl benzene ND Methyl tert-Butyl Ether(MTBE)
<br /> Carbon Disulfide ND Naphthalene ND
<br /> cCarbon 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 /> Chloromethane ND Toluene' ND
<br /> 2-Chlorotoluene ND 1,2,3-Trichlorobcnzene ND
<br /> 4-Chlorotoluene ND 12,4-Tnchlorobenzene ND
<br /> Dibromochloromethane ND 1,11-Trichloroethane ND
<br /> 1,2-Dibromo-3-chlompropane 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 /> 1,4-Dichlorobenzene ND 1,2,4-Trimethylbenzene ND
<br /> Dichlorodifluoromethane ND 1,3 5-Tnmethylbenzene ND
<br /> 1,1-Dichloroethane ND Vinyl Acetate"" ND
<br /> 1,2-Dichloroethane ND Vinyl Chloride"" ND
<br /> IJ-Dichloroethene ND Xylenes,total '° ND
<br /> cis-1,2-Dichloroethene ND
<br /> ! trans-1,2-Dichloroethene ND
<br /> 1,2-Dichloropropane ND
<br /> 1 3 D,chloro--��an: °i`
<br /> w�r
<br /> 2,2-Dichloropropane ND Comments i
<br /> 1,1-Dichloropropene ND Surrogate Reco%eries(%)
<br /> cis-1,3-Dichloropropene ND Dibromofluoromethane 97
<br /> trans-l,3-Dichloropropene ND Toluene-d8 108
<br /> Ethylene dibromide ND 4-Bromofluorobenzenc 102
<br /> -Aater and vapor samples are reported in ug/L,soil and sludge samples in ug/kg,wipes in ug/wipe and all I C LP/SPLP extracts in ug/L
<br /> Reporting limits unless otherwise stated water samples 1 ueL,vapor samples 0 5 ug/L,solid and sludge samples 5 ug/kg,wipes 0 Zug/ripe
<br /> 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-chloroethoxy) ethene, (d) 2-hexanone, (e) dichloromethane, (f) 2-butanone, (g) 4-methyl-2
<br /> pentanone or isopropylaeetone, (h)lighter than water immiscible sheen is present, (i)liquid sample that contains greater than--5 vol %
<br /> sediment C1)sample diluted due to high organic content,(k)peaks present in this carbon range do not match the pattern of our standard fo
<br /> this analyte,(1)methylbenzene,(m)acetic acid ethenyl ester (n)chloroethene (o)dimethylbenzenes
<br /> DHS Certification No 1644 Edward Hamilton,Lab Director
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