This action finalizes the residual risk and technology review conducted for the Primary Lead Processing source category regulated under national emission standards for hazardous air pollutants (NESHAP). This action finalizes amendments to the NESHAP that include revision of the rule's title and applicability provision, revisions to the stack emission limits for lead, work practice standards to minimize fugitive dust emissions, and the modification and addition of testing and monitoring and related notification, recordkeeping, and reporting requirements. It also finalizes revisions to the regulatory provisions related to emissions during periods of startup, shutdown, and malfunction and makes minor non-substantive changes to the rule.