This subchapter applies to process wastewater discharges resulting from the manufacture of the products classified under SIC 28214 thermosetting resins including the following resins and resin groups. Product groups are indicated with an asterisk.
*Alkyd resins
Dicyanodiamide resin
*Epoxy resins
*Fumaric acid polyesters
*Furan resins
Glyoxal-urea formaldehyde textile resins
*Ketone-formaldehyde resins
*Melamine resins
*Phenolic resins
*Polyacetal resins
Polyacrylamide
*Polyurethane prepolymers
*Polyurethane resins
*Urea formaldehyde resins
*Urea resins
Wis. Admin. Code Department of Natural Resources NR 235.40