Wis. Admin. Code Department of Natural Resources NR 235.20
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)
Wis. Admin. Code Department of Natural Resources NR 235.20