§ 418.60 Applicability; description of the ammonium sulfate production subcategory.
Current through Aug 22, 2025 · Read all of Part 418
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.