Regulations last checked for updates: Feb 22, 2025

Title 40 - Protection of Environment last revised: Nov 22, 2025
All TitlesTitle 40Chapter IPart 63Subpart WWWWWAppendix - Table 1 to Subpart WWWWW of Part 63—Applicability of General Provisions to Subpart WWWWW
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Appendix - Table 1 to Subpart WWWWW of Part 63—Applicability of General Provisions to Subpart WWWWW

As required in § 63.10440, you must comply with the requirements of the General Provisions (40 CFR part 63, subpart A) shown in the following table:

Citation Subject Applies to subpart WWWWW Explanation
§ 63.1(a)(1)-(4), (6), (10)-(12), (b)(1), (3)ApplicabilityYes
§ 63.1(a)(5), (7)-(9)[Reserved]
§ 63.1(b)(2)[Reserved]
§ 63.1(c)(1)-(2)Applicability of this part after a relevant standard has been setYes§ 63.10446 of this subpart exempts affected sources from the obligation to obtain title V operating permits for purposes of being subject to this subpart.
§ 63.1(c)(3)-(4)[Reserved]
§ 63.1(c)(5)Subject to notification requirementsNo
§ 63.1(d)[Reserved]
§ 63.1(e)Emission limitation by permitYes
§ 63.2DefinitionsYes
§ 63.3Units and abbreviationsYes
§ 63.4Prohibited activitiesYes
§ 63.5Construction/reconstructionNo
§ 63.6(a), (b)(1)-(5), (7)Compliance with standards and maintenance requirementsYes
§ 63.6(b)(6)[Reserved]
§ 63.6(c)(1)Compliance dates for existing sourcesYesSubpart WWWWW requires compliance 1 year after the effective date.
§ 63.6(c)(2), (5)Compliance dates for CAA section 112(f) standards and for area sources that become majorNo
§ 63.6(c)(3)-(4)[Reserved]
§ 63.6(d)[Reserved]
§ 63.6(e)-(h)Alternative nonopacity emission standardNo
§ 63.6(i)-(j)Compliance extensionYes
§ 63.7Performance testing requirementsNo
§ 63.8Monitoring requirementsNo
§ 63.9(a)Applicability and initial notifications addresseesYes
§ 63.9(b)Initial notificationsNo
§ 63.9(c)Request for extension of complianceYes
§ 63.9(d)-(i)Other notificationsNo
§ 63.9(j)-(k)Change in information already submitted Electronic reportingYes
§ 63.10(a)(1)-(2)Recordkeeping and reporting requirements, applicabilityYes
§ 63.10(a)(3)-(4)General informationYes
§ 63.10(a)(5)-(7)Recordkeeping and reporting requirements, reporting schedulesNo
§ 63.10(b)(1)Retention timeYes
§ 63.10(b)(2)-(f)Recordkeeping and reporting requirementsNo
§ 63.11Control device requirementsNo
§ 63.12State authority and delegationsYes
§§ 63.13-63.16Addresses, Incorporations by Reference, availability of information, performance track provisionsYes
[72 FR 73623, Dec. 28, 2007, as amended at 85 FR 73918, Nov. 19, 2020
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
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