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.~ <br />Technical Services, Inc. <br />vrww.legend-grpup.com <br />88 Empire Drive <br />St Paul, MN 55103 <br />Tel: 65142-1150 <br />Fax 551-642-1239 <br />Liesch Associates, Inc. Project: Elk River Dump <br />1340015th Avenue North, Suite A Project Number: [none] Wark Order #: 1103157 <br />Plymouth, MN 55441 Project Manager: Mr. Tom Johnson Date Reported: 07/2$!11 <br /> VOC 82606 <br /> Legend 'technical Services, Mc. <br />Anaiyte Result RL MDL Units Dilution Batch Prepared Analyzed Method Notes <br />Trip Blank (1103157.03) Water Sampled: 07!11!11 00:00 Received: 07114!11 13:15 <br />Methyl ter!-butyl ether <1.0 1.0 0.15 ug1L 1 B1G2013 07/20!11 07/20/11 EPA 82606 <br />Methylene chloride c5-0 5.0 0.85 ug/L 1 " <br />Naphthalene <5.0 5.0 0.30 ug/L 1 " <br />n-Bulylbenzene <2.5 2.5 0.15 uy/L t ' <br />n-propylbenzene <1.0 1.0 0.094 ug/L 1 <br />o-Xylene <1.0 1.0 0.19 uglL 1 " " <br />p-lsopropyltoluene <2.5 2.5 0.14 ugll. 1 " <br />sec-Butylbenzene <1.0 1.0 0.11 ug1L 1 " ' <br />Styrene <1-0 1.0 0.21 uglL 1 " <br />tert•Butyibenzene <1.0 1.0 0.091 uglL 1 " <br />Tetrachioroethena <1.0 1.4 0.28 ugll. 1 " " <br />Tetrahydrofuran <20 20 0.75 ug1L. 1 " <br />Toluene <1.0 1.0 0.10 ug1L 1 " <br />trans-l,2-Dichbroethene <7.0 1.0 0.056 ug/L i " <br />trans-1.3•DicFttoropropene <1.0 1.0 0.14 ug1L 1 ' <br />Trictrloroethene <1.0 1.0 0.18 ug/L 1 " <br />7richtoroRuoromathane <1.0 1.0 0.29 ucyL 1 ' <br />Vinyl chloride <1.0 1.0 0.21 ug1L 1 " <br />Surrogate:4-Bromolluorobenzene 99.7 80-i2f % " <br />Surrogate: DibromoQuoromethane 103 79.9-12i % " " <br />Surrogate: Toluene-d8 f02 80•i20 Y " " <br />Legend Technical Services, inc. <br />The results in this report apply to the samples analyzed in accordance write <br />the chain of custody document. This analytical report must be reproduced <br />to its entirety. <br />Page 8 of 14 <br />