CFR > Title 40 > Chapter I > Subchapter C > Part 60 > Subpart PP CFR > Title 40 > Chapter I > Subchapter C > Part 60 > Subpart PP – Standards of Performance for Ammonium Sulfate Manufacture Current as of: 2024 | Check for updates | Other versions § 60.420 Applicability and designation of affected facility § 60.421 Definitions § 60.422 Standards for particulate matter § 60.423 Monitoring of operations § 60.424 Test methods and procedures