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<br />. <br /> <br />. <br /> <br />. <br /> <br />./ <br /> <br />~ <br /> <br />~--=J.':':.~_.;.u_jtJ;;~~~~~~~~::~~ <br /> <br />-<1 <br /> <br />--.. "'. <br />\ J <br /> <br />~ <br />~ <br /> <br />J:.a 2:J 1931 <br /> <br />Llc~CH <br /> <br />B.A. LIESCH ASSOCIATES, INC. 13400 1STH AVE. N. MINNEAPOLIS, MN 55441 612/559-1423 FAX: 612/559-2202 <br /> <br />January 18, 1994 <br /> <br />Mr. Mike Boelter <br />600 Highway 10 <br />Elk River, MN 55330 <br /> <br />RE: Results Recent Testing of your Wells <br /> <br />Dear Mr. Boelter: <br /> <br />Enclosed is a copy of laboratory analytical results from your water supply wells which we <br />recently collected. The data from Legend Technical Services, Inc. shows no volatile organic <br />compounds (Va C) were detected in either well. . <br /> <br />Lead was detected in both wells at concentrations slightlv above the recommended allowable <br />limit (RAL) for drinking water of 0.020 mg/I established b the Minnesota De ar.:ment or <br />~ ea tn. hIS standard was recently revised downward from 0.050 mg/I. Lead can OCcur rom .'_ <br />a variety of Sources and is naturally occurring to some extent. At this time, we do not believe <br />the lead in your water supply is from Custom Motors as no VOC compounds. were detecled <br />which are anticipated to migrate faster than lead. Other possible Sources of lead are pipe solder, <br />suspended solids or on-site sources. <br /> <br />~!~ <br /> <br />You may wish to consider using bollled water or filtering your drinking water. RALs are <br />established based on a lifelime of exposure, usually 70 years, assuming a consumption of two <br />(2) liters per day of water, and then set at some risk level where a fraction of the population <br />IVould experience some health effect usually the one in one hundred thousand or one in one <br />million level. <br /> <br />Should you have any questions, please contact Steve Rohlf or me. Thank you. <br />, <br /> <br />Sincerely, <br /> <br />B.A. LIESCH ASSOCIATES, INC. <br /> <br />, <br /> <br />!k4f.h0vf- <br /> <br />Yo'hn Lichler, P.E. <br /> <br />cc: Mr. Steve Rohlf <br />maw:ltrlI89~.wp/GO <br />