40 CFR 418.60 - Applicability; description of the ammonium sulfate production subcategory.
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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 2013-07-01
no entries appear in the Federal Register after this date.