40 CFR § 418.60 - Applicability; description of the ammonium sulfate production subcategory.

---
identifier: "/us/cfr/t40/s418.60"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 418.60 - Applicability; description of the ammonium sulfate production subcategory."
title_number: 40
title_name: "Protection of Environment"
section_number: "418.60"
section_name: "Applicability; description of the ammonium sulfate production subcategory."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "418"
part_name: "FERTILIZER MANUFACTURING POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1251"
regulatory_source: "39 FR 12836, April 8, 1974, unless otherwise noted."
cfr_part: "418"
---


# 418.60 Applicability; description of the ammonium sulfate production subcategory.

The provisions of this subpart apply to discharges resulting from the production of ammonium sulfate by the synthetic process and by coke oven by-product recovery. The provisions of this subpart do not apply to ammonium sulfate produced as a by-product of caprolactam production.