Section 235.20. Applicability; description of the other fibers category.  


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  • This subchapter applies 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 the following fibers and fiber groups. Product groups are indicated with an asterisk.
      *Acrylic fibers (85% polyacrylonitrile)
      *Cellulose acetate fibers
      *Fluorocarbon (Teflon) fibers
      *Modacrylic fibers
      *Nylon 6 fibers
      Nylon 6 monofilament
      *Nylon 66 fibers
      Nylon 66 monofilament
      *Polyamide fibers (Quiana)
      *Polyaramid (Kevlar) resin-fibers
      *Polyaramid (Nomex) resin-fibers
      *Polyester fibers
      *Polyethylene fibers
      *Polypropylene fibers
      *Polyurethane fibers (Spandex)
History: Cr. Register, March, 1997, No. 495 , eff. 4-1-97.