ERODE: A total of 14 tannery units and 426 textile processing units that were found discharging huge amount of untreated effluents in water sources in Erode block had been shut down during the last three years by the Tamil Nadu Pollution Control Board (TNPCB). Out of the 426 textile processing units, 185 were dyeing factories, 153, bleaching units and 88 were printing units.