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l <br />88 Empire Drive <br />St Paul, MN 55103 <br />Tel: 651-642-1150 <br />Fax: 651-642-1239 <br />Liesch Associates, Inc. Project: Former Elk River Dump <br />13400 15th Avenue North, Suite A Project Number: 79019.00 Work Order #: 1002261 <br />Plymouth, MN 55441 Project Manager: Mr. Tom Johnson Date Reported: 06/29/10 <br />VOC 8260B <br />Legend Technical Services, Inc. <br />Analyte <br />Result <br />RL <br />MDL <br />Units Dilution Batch Prepared Analyzed Method Notes <br />MW -3 (1002261-02) Water Sampled: 06/14/10 12:00 <br />Received: 06/15/10 8:00 <br />Ethyl ether <br /><5.0 <br />5.0 <br />0.27 <br />ug/L 1 BOF1608 06/16/10 06/16/10 EPA 82606 <br />Ethylbenzene <br /><1.0 <br />1.0 <br />0.28 <br />ug/L 1 " <br />Hexachlorobutadiene <br /><10 <br />10 <br />0.42 <br />ug/L 1 " <br />Isopropylbenzene <br /><1.0 <br />1.0 <br />0.12 <br />ug/L 1 " <br />m,p-Xylene <br /><2.0 <br />2.0 <br />0.57 <br />ug/L 1 " <br />Methyl isobutyl ketone <br /><5.0 <br />5.0 <br />0.40 <br />ug/L 1 ' <br />Methyl tert-butyl ether <br /><1.0 <br />1.0 <br />0.16 <br />ug/L 1 " <br />Methylene chloride <br /><5.0 <br />5.0 <br />0.85 <br />ug/L 1 " <br />Naphthalene <br /><5.0 <br />5.0 <br />0.30 <br />ug/L 1 " <br />n-Butylbenzene <br /><2.5 <br />2.5 <br />0.15 <br />ug/L 1 " <br />n-Propylbenzene <br /><1.0 <br />1.0 <br />0.094 <br />ug/L 1 " <br />o -Xylene <br /><1.0 <br />1.0 <br />0.19 <br />ug/L 1 " <br />p-Isopropyltoluene <br /><2.5 <br />2.5 <br />0.14 <br />ug/L 1 " <br />sec-Butylbenzene <br /><1.0 <br />1.0 <br />0.11 <br />ug/L 1 " <br />Styrene <br /><1.0 <br />1.0 <br />0.21 <br />ug/L 1 " <br />tert-Butylbenzene <br /><1.0 <br />1.0 <br />0.091 <br />ug/L 1 " <br />Tetrachloroethene <br /><1.0 <br />1.0 <br />0.28 <br />ug/L 1 " <br />Tetrahydrofuran <br /><20 <br />20 <br />0.75 <br />ug/L 1 " <br />Toluene <br /><1.0 <br />1.0 <br />0.10 <br />ug/L 1 " <br />trans-1,2-Dichloroethene <br /><1.0 <br />1.0 <br />0.056 <br />ug/L 1 " <br />Vans-1,3-Dichloropropene <br /><1.0 <br />1.0 <br />0.14 <br />ug/L 1 " <br />Trichloroethene <br />1.4 <br />1.0 <br />0.18 <br />ug/L 1 " <br />Trichlorofluoromethane <br /><1.0 <br />1.0 <br />0.29 <br />ug/L 1 " <br />Vinyl chloride <br /><1.0 <br />1.0 <br />0.21 <br />ug/L 1 " <br />Surrogate:4-Bromofluorobenzene <br />94.9 <br />80-121 % " <br />Surrogate: Dibromotluoromethane <br />101 <br />79,9-121 % " ^ <br />Surrogate: Toluene -d8 <br />99.7 <br />80-120 % " <br />Trip. Blank (1002261-03) Water <br />Sampled: 06/02/10 00:00 _ Received: 06/15/10 8:00 <br />1,1,1,2 -Tetrachloroethane <br /><1.0 <br />1.0 <br />0.29 <br />ug/L 1 BOF1608 06/16/10 06/16/10 EPA 82606 <br />1,1,1 -Trichloroethane <br /><1.0 <br />1.0 <br />0.16 <br />ug/L 1 " <br />1,1,2,2 -Tetrachloroethane <br /><1.0 <br />1.0 <br />0.16 <br />ug/L 1 " <br />1,1,2 -Trichloroethane <br /><1.0 <br />1.0 <br />0.19 <br />ug/L 1 " <br />1,1,2-Tdchlorotdfluoroethane <br /><1.0 <br />1.0 <br />0.25 <br />ug/L 1 " <br />1,1-Dichloroethane <br /><1.0 <br />1.0 <br />0.15 <br />ug/L 1 " <br />1,1-Dichloroethene <br /><1.0 <br />1.0 <br />0.24 <br />ug/L 1 " <br />1,1-Dichloropropene <br /><1.0 <br />1.0 <br />0.14 <br />ug/L 1 " <br />1,2,3-Trichlorobenzene <br /><5.0 <br />5.0 <br />0.35 <br />ug/L 1 " <br />1,2,3-Thchloropropane <br /><2.5 <br />2.5 <br />0.22 <br />ug/L 1 " <br />12,4-Trichlorobenzene <br /><5.0 <br />5.0 <br />0.30 <br />ug/L 1 " <br />Legend Technical Services, Inc. <br />The results in this report apply to the samples analyzed in accordance with <br />the chain of custody document. This analytical report must be reproduced <br />in its entirety. <br />Page 6 of 14 <br />