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<br />~"l!lI.a.:~"'~'k1-"3It~~iX'L.:m'~;r,,~~.i.;&ili'~'6\.,m'~f~'~~~1o~'.~'~"".iMi1~~~~;.r.r.m;~~0~~IO",.w~'q.i,,,,,..~~i1ti;\\i3't.:l&~~;~i~. <br /> <br />Page 2 <br />December 22, 1993 <br /> <br />e <br /> <br />I also spoke with Mr Weinhold regarding the renovation of the dust collection system. <br />It has been enclosed and some bags have been removed from the bag house system. This <br />was necessitated by bridging of light materials that were separated from the air <br />classification process. (A typical example would be sandwich wrap plastic film.) These <br />materials were bridging between the bags causing a reduction in air flow and head loss <br />through the system. By eliminating the bags, the bridging has been reduced and the <br />system is working more effectively then it was previously. Mr. Weinhold had indicated <br />that there would be some correspondence forwarded to the City documenting their testing <br />results. <br /> <br />Steve, if you have any questions, please call me. <br /> <br />maw:ENV /39003/memoI22293. wp <br /> <br />. <br /> <br />e <br /> <br />B.A. LIESCH ASSOCIATES, INC. <br /> <br />13400 15TH AVENUE NORTH <br /> <br />MINNEAPOLIS, MINNESOTA 55441 <br />