| Applicability: |
eCFR Subpart N  [ecfr.gov]
This subpart applies to:
- Basic oxygen process furnaces that commence construction or modification after June 11, 1973.
Definition of "Basic Oxygen Process Furnace":
- Any furnace with a refractory lining in which molten steel is produced by charging scrap metal, molten iron, and flux materials or alloy additions into a vessel and introducing a high volume of oxygen-rich gas.
- Does not include open hearth, blast, and reverberatory furnaces.
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| Known Sources in NDEE Jurisdiction: |
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| Date of Original Final Rule: |
3/8/74 |
| Amendments Dates: |
10/17/2000 (65 FR 61744)
02/14/1989 (54 FR 6667)
01/02/1986 (51 FR 160)
04/13/1978 (43 FR 15602)
07/25/1977 (42 FR 37937) |
| State Regulations: |
Title 129, Chapter 12, Section 001.22
Previoulsly: Chapter 18, Section 001.44 |
| Federal Regulations: |
40 CFR 60.140 |
| Related Rules: |
Subpart Na - Secondary emissions from basic oxygen process furnaces
Subpart AA - Electric arc furnaces (EAF)
Subpart AAa - EAF and argon-oxygen decarburization vessels
NESHAP - 40 CFR Part 63 Subpart CCC - Steel pickling plants
Subpart EEEEE - Iron and steel foundries
Subpart FFFFF - Integrated iron and steel
Subpart YYYYY - EAF
Subpart ZZZZZ - Iron and steel foundries |
| Regulations and Federal Registers: |
eCFR Subpart N  [ecfr.gov]
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| FAQs, Fact Sheets, and Rule Summaries: |
Rule Flowchart - Texas CEQ  [tceq.state.tx.us]
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| Other Information and Resources: |
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| Notes: |
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| Page Last Updated: |
12/20/22 |