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JA J 2 J 9994 <br /> -LIEXH <br /> B.A.LIESCH ASSOCIATES, INC. 13400 15TH AVE. N. MINNEAPOLIS, MN 55441 612/559-1423 FAX:612/559-2202 <br /> January 18, 1994 <br /> Mr. Mike Boelter <br /> 600 Highway 10 <br /> Elk River, MN 55330 <br /> RE: Results Recent Testing of your Wells <br /> Dear Mr. Boelter: <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 (VOC) were detected in either well. <br /> • Lead was detected in both wells at concentrations slightly above the recommended allowable <br /> limit (RAL) for drinking water of 0.020 mg/1 established by the Minnesota Department of <br /> eal . This standard was recently revised downward from 0.050 mg/l. Lead can occur from <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 detected <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 /> You may wish to consider using bottled water or filtering your drinking water. RALs are <br /> established based on a lifetime 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 /> would experience some health effect usually the one in one hundred thousand or one in one <br /> million level. <br /> Should you have any questions, please contact Steve Rohlf or me. Thank you. <br /> Sincerely, <br /> B.A. LIESCH ASSOCIATES, INC. <br /> %)(1/4/ <br /> • ohn Lichter, P.E. <br /> cc: Mr. Steve Rohlf <br /> maw:ltrl 1894.wp/GO <br />