The provisions of this subpart are applicable to the process wastewater discharges resulting from the manufacture of the products classified under SIC 28214 thermosetting resins including those resins and resin groups listed below. Product groups are indicated with an asterisk (*). *Alkyd ResinsDicyanodiamide Resin*Epoxy Resins*Fumaric Acid Polyesters*Furan ResinsGlyoxal-Urea Formaldehyde Textile Resin*Ketone-Formaldehyde Resins*Melamine Resins*Phenolic Resins*Polyacetal ResinsPolyacrylamide*Polyurethane Prepolymers*Polyurethane Resins*Urea Formaldehyde Resins*Urea Resins [52 FR 42568, Nov. 5, 1987, as amended at 57 FR 41844, Sept. 11, 1992]