40 CFR 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.
Title 40 published on 2015-08-22.
No entries appear in the Federal Register after this date, for 40 CFR Part 418.