******for Tuesday, Dec. 8 morning edition.***** A long- disputed proposal to build a 3-storey high metal shredder on the banks of the Mississippi in Minneapolis will go before the the Minnesota Pollution Control Agency today. American Iron and Supply Company wants to build the "Kondirator" at the company's riverside scrapyard in a north Minneapolis neighborhood. The fight over the project dates back to the late 1980's. Now, PCA staff members have recommended approval of the Kondirator, despite vocal opposition by the city of Minneapolis. Minnesota Public Radio's Mary Losure reports.