NSPS for Primary and Secondary Emissions from Basic Oxygen Furnaces (40 CFR Part 60, Subparts N and Na) (Renewal)

OMB 2060-0029

OMB 2060-0029

The New Source Performance Standards (NSPS) for Primary Emissions from Basic Oxygen Process Furnaces (Subpart N) apply to each basic oxygen process furnace (BOPF) in an iron and steel plant that commenced construction, modification, or reconstruction after the date of proposal. These standards were merged with Standards of Performance for Secondary Emissions from Basic Oxygen Process Steelmaking Facilities (Subpart Na). Subpart Na is applicable to any top blown BOPF, and hot metal transfer station or skimming stations used with bottom-blown or top-blown BOPF’s for which construction, reconstruction, or modification commenced after January 20, 1983. In general, all NSPS standards require initial notifications, performance tests, and periodic reports by the owners/operators of the affected facilities. They are also required to maintain records of the occurrence and duration of any startup, shutdown, or malfunction in the operation of an affected facility, or any period during which the monitoring system is inoperative. These notifications, reports, and records are essential in determining compliance with 40 CFR Part 60, Subparts N and Na.

The latest form for NSPS for Primary and Secondary Emissions from Basic Oxygen Furnaces (40 CFR Part 60, Subparts N and Na) (Renewal) expires 2021-12-31 and can be found here.

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