• Rule Summary
• Rule History

Rule Summary

Ammonium sulfate ((NH₄)₂SO₄)  is an inorganic salt that can be used in the manufacturing of many different products, including but not limited to, soil fertilizer, cleaning and furnishing care products, and laundry detergent.

The New Source Performance Standards for Ammonium Sulfate Manufacturing regulates emissions of particulate matter (PM) from new, modified, and reconstructed ammonium sulfate dryers at caprolactam by-product ammonium sulfate plants, synthetic ammonium sulfate plants, and coke oven by-product ammonium sulfate plants.

See the regulations below for more details.

Rule History

02/04/1980 - Proposed Rule & Notice of Public Hearing

11/12/1980 - Final Rule

03/06/1985 - Review of Standards