National Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production

The Environmental Protection Agency (EPA) is proposing to amend the National Emission Standards for Hazardous Air Pollutants for Secondary Aluminum Production (Secondary Aluminum NESHAP). In the ``Rules and Regulations'' section of this Federal Register, we are publishing a direct final rule, without a prior proposed rule, that amends the final rule that was published in the Federal Register on September 18, 2015, to correct inadvertent errors, to clarify rule requirements for initial performance tests and submittal of malfunction reports, to provide an additional option for new round top furnaces to account for unmeasured emissions during compliance testing and to clarify what constitutes a change in furnace operating mode. The direct final rule also updates Web site addresses for the EPA's Electronic Reporting Tool (ERT) and the Compliance and Emissions Data Reporting Interface (CEDRI). If we receive no adverse comment, we will not take further action on this proposed rule.