NESHAP for Primary Lead Processing (40 CFR part 63, subpart TTT) (Renewal)

The National Emission Standards for Hazardous Air Pollutants (NESHAP) for Primary Lead Smelting (40 CFR Part 63, Subpart TTT) were proposed on April 17, 1998; promulgated on June 4, 1999; and amended on November 15, 2011, and November 19, 2020. These regulations apply to existing and new facilities engaged in producing lead metal from ore concentrates. The category includes, but is not limited to, the following smelting processes: sintering, reduction, preliminary treatment, refining and casting operations, process fugitive sources, and fugitive dust sources. New facilities include those that commenced either construction or reconstruction after the date of proposal. This information is being collected to ensure compliance with 40 CFR Part 63, Subpart TTT.

The latest form for NESHAP for Primary Lead Processing (40 CFR part 63, subpart TTT) (Renewal) expires 2029-03-31 and can be found here.