| Applicability: |
eCFR Subpart WW  [ecfr.gov]
This subpart applies to:
- Air emissions from storage vessels subject to another NESHAP that references this subpart.
See also Generic NESHAP 40 CFR 63 Subpart YY.
“Generic MACT” standards are consolidated standards designed to cover multiple sources with similar emission types and MACT control requirements. Generic MACT standards are often established when there are less than five (5) facilities nationwide in a source category.
Other MACT standards may reference a Generic MACT. For example, Subpart YY facilities include:
- Acetal resins production;
- Acrylic/modacrylic fibers production;
- Carbon black production;
- Cyanide chemical production;
- Ethylene manufacturing;
- Hydrogen fluoride production;
- Polycarbonates production;
- Spandex production.
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| Rules apply to small, area sources? |
No |
| Known Sources in NDEQ Jurisdiction: |
No
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| Date of Original Final Rule: |
6/29/99 |
| Amendments Dates: |
07/12/2002 - Final Rule; Amendments
06/29/1999 - Final Rule |
| State Regulations (Title 129): |
Title 129, Chapter 13, Section 002.36
Previously: Chapter 28, Section 001.35.
Sources are also responsible for ensuring they are in compliance with current federal requirements found for this subpart in the CFR. |
| Federal Regulations: |
40 CFR 63.1060 |
| Related Rules: |
Subpart SS - Close Vent Systems
Subpart TT - Equipment Leaks Level I
Subpart UU - Equipment Leaks Level II
Subpart YY - Generic MACT |
| Regulations and Federal Registers: |
eCFR Subpart WW  [ecfr.gov]
(See attached file: 2W - Fed. Reg. 2002-07-12 - Final Rule; amendments.pdf)
(See attached file: 2W - Fed. Reg. 1999-06-29 - Final Rule.pdf)
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| Forms: |
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| Important Dates: |
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| FAQs, Fact Sheets, and Rule Summaries: |
Texas CEQ - Rule Flowchart  [tceq.texas.gov]
EPA's Generic MACT Website  [epa.gov] - contains federal register notices and implementation tools
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| Presentations, Training and Articles: |
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| Other Information and Resources: |
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| Notes: |
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| Page Last Updated: |
12/16/22 |