Each grinder or comminuter used to discharge garbage in accordance with Sec. 151.69(b)(1), Sec. 151.71(b)(2), or Sec. 151.73(b)(1), must be capable of processing garbage so that it passes through a screen with openings no greater than 25 millimeters (one inch). [CGD 88-002, 54 FR 18405, Apr. 28, 1989, as amended by USCG-2012-1049, 78 FR 13493, Feb. 28, 2013]