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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 60
Subpart PP - Subpart PP—Standards of Performance for Ammonium Sulfate Manufacture
§ 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.
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