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• * 1455 McDowell Blvd,North Sm D <br /> Sequoia Pealmna CA 94954 <br /> 1865 <br /> (707)792-1865 <br /> Analytical <br /> FAX(707) 42 <br /> www.sequoialabs.clabs.eam <br /> MACTEC E&C-Petaluma ProjmtGeneral Commercial P412379 <br /> Project Number.Sears/rrac UST/AST-3205040383.02 Reported: <br /> Petaluma <br /> Old Redwood Highway,Suite 300 M y 01/05/05 10:53 <br /> Petaluma CA,94954 Project Managu:Gary Lieberman <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 /> ' 0452SS002(P412379-04)Soil Sampled:12/21/04 15:55 Received:12/22/04 09:20 <br /> Hexachlorobutadiene ND 5.0 ug/kg 1 5010020 01/03/05 01/04/05 EPA 8260B <br /> 2-Hexanone ND 10 <br /> ' Isopropylbenzene ND 5.0 "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 ND 5.0 <br /> Toluene ND 5.0 " <br /> 1,2,3-Trichlorobenzene ND 5.0 <br /> 1,2,4-Trichlorobenzene 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 92% 81-116 " <br /> Surrogate: 1,2-Dich1oroethane-d4 90% 73-131 <br /> Surrogate:Toluene-d8 93% 81-129 <br /> Surrogate:4-Bromofluorobemene 98% 74-131 <br /> 1 <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 15 of 46 <br />