The provisions of this subpart are applicable to the process wastewater discharges resulting from the manufacture of products classified under SIC 2823 cellulosic man-made fibers, except Rayon, and SIC 2824 synthetic organic fibers including those fibers and fiber groups listed below. Product groups are indicated with an asterisk (*). *Acrylic Fibers (85% Polyacrylonitrile)*Cellulose Acetate Fibers*Fluorocarbon (Teflon) Fibers*Modacrylic Fibers*Nylon 6 FibersNylon 6 Monofilament*Nylon 66 FibersNylon 66 Monofilament*Polyamide Fibers (Quiana)*Polyaramid (Kevlar) Resin-Fibers*Polyaramid (Nomex) Resin-Fibers*Polyester Fibers *Polyethylene Fibers*Polypropylene Fibers*Polyurethane Fibers (Spandex) [52 FR 42568, Nov. 5, 1987, as amended at 57 FR 41844, Sept. 11, 1992]