Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR Table 4 to Subpart QQQ of Part 63: Table 4 to Subpart QQQ of Part 63—Compliance Dates for Amendments Being Promulgated on May 13, 2024

Table 4 to Subpart QQQ of Part 63—Compliance Dates for Amendments Being Promulgated on May 13, 2024
If the construction/reconstruction date is . . . Then the owner or operator must comply with . . . And the owner or operator must achieve compliance . . .
On or before January 11, 2022 Requirements for existing sources in §§ 63.1444(f)(2) and (3), (l); 63.1446; 63.1449; 1 63.1450(a) and (d); and 63.1451 through 63.1456, as applicable On or before May 13, 2025.
Requirements for existing sources in §§ 63.1444(h); 63.1449; 1 63.1450(e); and 63.1451 through 63.1456, as applicable On or before May 13, 2026.
After January 11, 2022 Requirements for new sources in §§ 63.1444(e)(1) and (2), (f)(2) and (3), (h), (m); 63.1446; 63.1449; 1 63.1450(a), (d), (e); and 63.1451 through 63.1456, as applicable Upon initial startup or May 13, 2024, whichever is later.
On or before July 24, 2023 Requirements for existing sources in §§ 63.1444(g); 63.1449; 1 63.1450(a); and 63.1451 through 63.1456, as applicable On or before May 13, 2027.
Requirements for existing sources in §§ 63.1444(o); 63.1449; 1 63.1450(f); and 63.1451 through 63.1456, as applicable On or before May 13, 2025.
Requirements for existing sources in §§ 63.1444(q); 63.1449; 1 63.1450(a), (g); and 63.1451 through 63.1456, as applicable On or before November 12, 2024.
After July 24, 2023 Requirements for new sources in §§ 63.1444(o), (q); 63.1449; 1 63.1450(a), (f), (g); and 63.1451 through 63.1456, as applicable Upon initial startup or May 13, 2024, whichever is later.
On or before May 13, 2024 Requirements for existing sources in §§ 63.1444(p); 63.1449; 1 63.1450(g); and 63.1451 through 63.1456, as applicable On or before May 13, 2027.
1 Section 63.1449(a) provides that any necessary performance test is conducted within 180 days of the compliance date.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER C—AIR PROGRAMS
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES
Subpart QQQ—National Emission Standards for Hazardous Air Pollutants for Primary Copper Smelting

Table 4 to Subpart QQQ of Part 63—Compliance Dates for Amendments Being Promulgated on May 13, 2024

If the construction/reconstruction date is . . . Then the owner or operator must comply with . . . And the owner or operator must achieve compliance . . .

On or before January 11, 2022 Requirements for existing sources in §§ 63.1444(f)(2) and (3), (l); 63.1446; 63.1449; 1 63.1450(a) and (d); and 63.1451 through 63.1456, as applicable On or before May 13, 2025.

Requirements for existing sources in §§ 63.1444(h); 63.1449; 1 63.1450(e); and 63.1451 through 63.1456, as applicable On or before May 13, 2026.

After January 11, 2022 Requirements for new sources in §§ 63.1444(e)(1) and (2), (f)(2) and (3), (h), (m); 63.1446; 63.1449; 1 63.1450(a), (d), (e); and 63.1451 through 63.1456, as applicable Upon initial startup or May 13, 2024, whichever is later.

On or before July 24, 2023 Requirements for existing sources in §§ 63.1444(g); 63.1449; 1 63.1450(a); and 63.1451 through 63.1456, as applicable On or before May 13, 2027.

Requirements for existing sources in §§ 63.1444(o); 63.1449; 1 63.1450(f); and 63.1451 through 63.1456, as applicable On or before May 13, 2025.

Requirements for existing sources in §§ 63.1444(q); 63.1449; 1 63.1450(a), (g); and 63.1451 through 63.1456, as applicable On or before November 12, 2024.

After July 24, 2023 Requirements for new sources in §§ 63.1444(o), (q); 63.1449; 1 63.1450(a), (f), (g); and 63.1451 through 63.1456, as applicable Upon initial startup or May 13, 2024, whichever is later.

On or before May 13, 2024 Requirements for existing sources in §§ 63.1444(p); 63.1449; 1 63.1450(g); and 63.1451 through 63.1456, as applicable On or before May 13, 2027.

1 Section 63.1449(a) provides that any necessary performance test is conducted within 180 days of the compliance date.

Collected 2026-08-27T02:26:04Z. Source file · JSON

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