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<br /> <br />88 Empire Drive <br />St Paul, MN 55103 <br />Tel: 651-642-1150 <br />Fax: 651-642-1239 <br /> <br />Liesch Associates, Inc. <br />13400 15th Avenue North, Suite A <br />Plymouth MN, 55441 <br /> <br />Project: Former Elk River Dump <br />Project Number: 79019.00 <br /> <br />Project Manager: Mr. Tom Johnson <br /> <br />Date Reported: <br />June 22, 2007 <br /> <br />Analyte <br /> <br />VOC GCMS 82608 <br />Legend Technical Services, Inc. <br /> <br />RL MDL Units Dilution Batch <br /> <br />Prepared Analyzed <br /> <br />Method <br /> <br />Notes <br /> <br />Result <br /> <br />MW-2 (0702739-01) Groundwater Received:06/08/07 11 :30 Sampled:06/07/07 11 :00 <br /> <br />1,1,1,2- Tetrachloroethane <1.0 1.0 0.18 ug/L B7F1313 06/13/07 06/13/07 EPA 8260B <br />1 , 1 .1- Trichloroethane <1.2 1.2 0.37 ug/L <br />1.1.2,2- Tetrachloroethane <1.0 1.0 0.20 ug/L <br />1.1,2- Trichloroethane <1.0 1,0 0.31 ug/L <br />1.1,2- Trichlorotrifluoroethane <1.0 1.0 0.29 ug/L <br />1.1-Dichloroethane <1,0 1.0 0.11 ug/L <br />1,1-Dichloroethene <1,0 1.0 0.20 ug/L <br />1.1-Dichloropropene <1.0 1.0 0.18 ug/L <br />1,2,3- Trichlorobenzene <5.0 5.0 0.70 ug/L <br />1.2,3-Trichloropropane <2,5 2.5 0.47 ug/L <br />1,2.4- Trichlorobenzene <5.0 5.0 0,55 ug/L <br />1,2,4-Trimethylbenzene <1.0 1.0 0.21 ug/L <br />1,2-Dibromo-3-chloropropane <5.0 5,0 1.1 ug/L <br />1 ,2-Dibromoethane (EDB) <2.5 2.5 0.32 ug/L <br />1.2-Dichlorobenzene <1,0 1.0 0.25 ug/L <br />1,2-Dichloroethane <1.0 1,0 0,11 ug/L <br />1.2-Dichloropropane <1,0 1.0 0,30 ug/L <br />1.3,5- Trimethylbenzene <1.0 1.0 0.19 ug/L <br />1,3-Dichlorobenzene <1.0 1.0 0.26 ug/L <br />1,3-Dichloropropane <1.0 1,0 0.26 ug/L <br />1.4-Dichlorobenzene <1.0 1.0 .0.20 ug/L <br />2.2-Dichloropropane <5.0 5.0 0.31 ug/L <br />2-Butanone <20 20 1.1 ug/L <br />2-Chlorotoluene <1.0 1.0 0.16 ug/L <br />4-Chlorotoluene <1.0 1.0 0.11 ug/L <br />Acetone <20 20 2.3 ug/L <br />Allyl chloride <20 20 0.36 ug/L <br />Benzene <1.0 1.0 0.039 ug/L <br />Bromobenzene <1.0 1.0 0.30 ug/L <br />Bromochloromethane <1.0 1.0 0.28 ug/L <br />Bromodichloromethane <1,0 1.0 0.25 ug/L <br />Bromoform <5.0 5.0 0.68 ug/L <br />Bromomethane <5.2 5.2 1.6 ug/L <br />Carbon tetrachloride <1,1 1.1 0.34 ug/L <br />Legend Technical Services, Inc. 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 3 of 15 <br />