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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 Prepared Analyzed <br /> <br />Method <br /> <br />Notes <br /> <br />Result <br /> <br />Trip Blank (0702739-03) Water Received:06/08/07 11 :30 Sampled:05/31107 00:00 <br /> <br />T etrahydrofuran <20 20 1.1 uglL B7F1313 06113107 06113107 EPA 8260B <br />Toluene <1.0 1.0 0.23 uglL <br />trans-1,2-Dichloroethene <1.0 1.0 0.17 uglL <br />trans-1.3-Dichloropropene <1.0 1.0 0.26 uglL <br />Trichloroethene <1,0 1,0 0.28 uglL <br />Trichlorofluoromethane <1,0 1.0 0.12 uglL <br />Vinyl chloride <1,0 1.0 0.31 uglL <br />Surrogate: 4-Bromofluorobenzene 99.3 80-125 % <br />Surrogate: Dibromofluoromethane 108 80-121 % <br />Surrogate: ToJuene-d8 101 80-120 % <br /> <br />Legend Technical Services, Inc, <br /> <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 /> <br />Page 9 of 15 <br />