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Page 2 <br /> July 16, 2002 <br /> <br /> The City should be aware that earlier this year the MDH lowered the HRL for 1,1,2- <br /> Trichloroethylene (TCE) from 30 ppb to 5 ppb. Although VOC levels are below this standard at <br /> present, historically TCE has been detected in monitoring wells and the Kirkeide well (now <br />abandoned) at levels up to 21 ppb. If concentrations exceed HRL should be <br />notified of the findings. Currently, VOC concentrations do not exc~ <br /> <br />Also, it appears that monitoring well MW~I has a damag be repaired. <br />We will contact a local well contractor and forward a co~, <br /> <br />As in the past, we will provide the results of the <br />upon your review of the data. It is recommended annu <br />the site are known. <br /> <br />Please feel free to contact John Lichter or myself should <br /> <br />Sincerely, <br /> <br />LIESCH ASSOCIATES, INC. <br /> <br />'- Mark Johnson <br /> <br />Attachments: <br /> <br />Figure 1 <br /> <br />}ort -- <br /> <br />s Map <br /> <br />Data <br /> <br />1502.doc <br /> <br /> <br />