40 CFR § 414.50 - Applicability; description of the thermosetting resins subcategory.

---
identifier: "/us/cfr/t40/s414.50"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 414.50 - Applicability; description of the thermosetting resins subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "414.50"
section_name: "Applicability; description of the thermosetting resins subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "414"
part_name: "ORGANIC CHEMICALS, PLASTICS, AND SYNTHETIC FIBERS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, Pub. L. 100-4, 101 Stat. 7 (33 U.S.C. 1311, 1314, 1316, 1317, and 1361)."
regulatory_source: "52 FR 42568, Nov. 5, 1987, unless otherwise noted."
cfr_part: "414"
---


# 414.50 Applicability; description of the thermosetting resins subcategory.

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 Resins

Dicyanodiamide Resin

*Epoxy Resins

*Fumaric Acid Polyesters

*Furan Resins

Glyoxal-Urea Formaldehyde Textile Resin

*Ketone-Formaldehyde Resins

*Melamine Resins

*Phenolic Resins

*Polyacetal Resins

Polyacrylamide

*Polyurethane Prepolymers

*Polyurethane Resins

*Urea Formaldehyde Resins

*Urea Resins

[52 FR 42568, Nov. 5, 1987, as amended at 57 FR 41844, Sept. 11, 1992]