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"" 1455 McDowell Blvd,North Ste <br /> Sequoia Petal(707)79 949544 <br /> 707 792-1865 <br /> aiW <br /> Analytical ww.wq 7)792-0342 <br /> wFAX(707)792-0342 <br /> MACTEC E&C-Petaluma PaijeceGeneral Commercial P412379 <br /> 5341 Old Redwood Highway,Suite 300 Project Number:Sears/Tracy-UST/AST-3205040383.02 Reported: <br /> Petaluma CA,94954 Project Manager.Gary Lieberman 01/05/05 10:53 <br /> Volatile Organic Compounds by EPA Method 8260B <br /> Sequoia Analytical-Petaluma <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> tio <br /> 0452SS004(P412379-03)Soil Sampled: 12/21/04 15:20 Received: 12/22/04 09:20 <br /> Hexachlorobutadiene ND 5.0 ug/kg 1 5010020 01/03/05 01/04/05 EPA 82608 <br /> 2-Hexanone ND 10 " <br /> Isopropylbenzene ND 5.0 <br /> p-Isopropyltoluene ND 5.0 " <br /> Methylene chloride ND 5.0 " <br /> 4-Methyl-2-pentanone ND 10 <br /> Methyl tert-butyl ether ND 5.0 " <br /> Naphthalene ND 5.0 " <br /> n-Propylbenzene ND 5.0 " <br /> Styrene ND 5.0 " <br /> 1,1,2,2-Tetrachloroethane ND 5.0 " <br /> 1,1,1,2-Tetrachloroethane ND 5.0 ' <br /> Tetrachloroethene NO 5.0 " <br /> Toluene ND 5.0 <br /> 1,2,3-Trichlorobenzene ND 5.0 " <br /> 1,2,4-Trlchlorobenzene ND 5.0 " <br /> 1,1,2-Trichloroethane ND 5.0 " <br /> 1,1,1-Trichloroethane ND 5.0 " <br /> Trichloroethene ND 5.0 " <br /> Trichlorofluoromethane ND 5.0 " <br /> 1,2,3-Trichloropropane ND 5.0 " <br /> 1,3,5-Trimethylbenzene ND 5.0 " <br /> 1,2,4-Trimethylbenzene ND 5.0 " <br /> Vinyl acetate ND 10 <br /> Vinyl chloride ND 5.0 <br /> m,p-Xylene ND 5.0 " <br /> o-Xylene ND 5.0 <br /> Surrogate:Dibromofluoromethane 94% 81-126 <br /> Surrogate: 1,2-Dichloroethane-d4 94% 73-131 I' II II <br /> Surrogate:Toluene-d8 92% 82-129 ' <br /> Surrogate:4-Bromofluorobemene 100% 74-131 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain of <br /> custody document. Unless otherwise stated,results are reported on a wet weight basis. <br /> This analytical report must be reproduced in its entirety. <br /> Page 13 of 46 <br />