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Table 1 to Subpart NN of Part 63—Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart NN

Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart NN

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Displayed edition2026-04-27
Last updated2026-04-27

Table 1 to Subpart NN of Part 63—Applicability of General Provisions (40 CFR Part 63, Subpart A) to Subpart NN

General provisions

citation
RequirementApplies to subpart NNExplanation
§ 63.1(a)(1)-(5)ApplicabilityYes
§ 63.1(a)(6)Yes
§ 63.1(a)(7)-(9)No[Reserved].
§ 63.1(a)(10)-(12)Yes
§ 63.1(b)(1)Initial Applicability DeterminationYes
§ 63.1(b)(2)No[Reserved].
§ 63.1(b)(3)Yes
§ 63.1(c)(1)-(2)Yes
§ 63.1(c)(3)-(4)No[Reserved].
§ 63.1(c)(5)-(e)Yes
§ 63.2DefinitionsYesAdditional definitions in § 63.881.
§ 63.3Units and AbbreviationsYes
§ 63.4(a)(1)-(2)Prohibited ActivitiesYes
§ 63.4(a)(3)-(5)No[Reserved].
§ 63.4(b)-(c)Yes
§ 63.5(a)-(b)(2)Construction/Reconstruction ApplicabilityYes
§ 63.5(b)(3)-(4)Yes
§ 63.5(b)(5)No[Reserved].
§ 63.5(b)(6)Yes
§ 63.5(c)No[Reserved].
§ 63.5(d)Application for Approval of Construction/ReconstructionYes
§ 63.5(e)Approval of Construction/ReconstructionYes
§ 63.5(f)Approval of Construction/Reconstruction Based on State ReviewYes
§ 63.6(a)-(d)Compliance with Standards and Maintenance RequirementsYes
§ 63.6(e)(1)(i)General Duty to Minimize EmissionsNoSee § 63.882 for general duty requirements.
§ 63.6(e)(1)(ii)Requirement to Correct Malfunctions As Soon As PossibleNo
§ 63.6(e)(1)(iii)Yes
§ 63.6(e)(2)No[Reserved].
§ 63.6(e)(3)Startup, Shutdown, and Malfunction (SSM) PlanNoStartups and shutdowns addressed in § 63.888.
§ 63.6(f)(1)SSM ExemptionNo
§ 63.6(f)(2)-(3)Methods for Determining ComplianceYes
§ 63.6(g)Use of an Alternative Nonopacity EmissionYes
§ 63.6(h)(1)SSM ExemptionNo
§ 63.6(h)(2)-(j)Yes
§ 63.7(a)-(d)Yes§ 63.884 has specific requirements.
§ 63.7(e)(1)Performance TestingNoSee § 63.882.
§ 63.7(e)(2)-(4)Yes
§ 63.7(f)Alternative Test MethodYes
§ 63.7(g)(1)Data AnalysisYes
§ 63.7(g)(2)No[Reserved].
§ 63.7(g)(3)Yes
§ 63.7(h)Waiver of Performance TestYes
§ 63.8(a)-(b)Monitoring RequirementsYes
§ 63.8(c)(1)(i)General Duty to Minimize Emissions and CMS OperationNoSee § 63.882(b) for general duty requirement.
§ 63.8(c)(1)(ii)Yes
§ 63.8(c)(1)(iii)Requirement to Develop SSM Plan for CMSNo
§ 63.8(c)(2)-(d)(2)Yes
§ 63.8(d)(3)Written Procedures for CMSYes, except for last sentence, which refers to SSM plan. SSM plans are not required
§ 63.8(e)-(g)Yes
§ 63.9(a)Notification RequirementsYes
§ 63.9(b)(1)-(2)Initial NotificationsYes
§ 63.9(b)(3)No[Reserved].
§ 63.9(b)(4)-(5)Yes
§ 63.9(c)-(j)Yes
§ 63.10(a)Recordkeeping and Reporting-RequirementsYes
§ 63.10(b)(1)General Recordkeeping RequirementsYes
§ 63.10(b)(2)(i)Recordkeeping of Occurrence and Duration of Startups and ShutdownsNo
§ 63.10(b)(2)(ii)Recordkeeping of MalfunctionsNoSee § 63.886 for recordkeeping of occurrence and duration of malfunctions and recordkeeping of actions taken during malfunction.
§ 63.10(b)(2)(iii)Maintenance RecordsYes
§ 63.10(b)(2)(iv)-(v)Actions Taken to Minimize Emissions During SSMNo
§ 63.10(b)(2)(vi)Recordkeeping for CMS MalfunctionsYes
§ 63.10(b)(2)(vii)-(xiv)Other CMS RequirementsYes
§ 63.10(b)(3)Recordkeeping Requirement for Applicability DeterminationsYes
§ 63.10(c)(1)-(6)Additional Recordkeeping Requirements for Sources with CMSYes
§ 63.10(c)(7)-(8)Additional Recordkeeping Requirements for CMS—Identifying Exceedances and Excess EmissionsYes
§ 63.10(c)(9)No[Reserved].
§ 63.10(c)(10)-(11)NoSee § 63.886 for recordkeeping of malfunctions.
§ 63.10(c)(12)-(14)Yes
§ 63.10(c)(15)Use of SSM PlanNo
§ 63.10(d)(1)-(4)General Reporting RequirementsYes
§ 63.10(d)(5)SSM ReportsNoSee § 63.886(c)(2) for reporting of malfunctions.
§ 63.10(e)-(f)Additional CMS Reports Excess Emission/CMS Performance Reports COMS Data Reports Recordkeeping/Reporting WaiverYes
§ 63.11(a)-(b)Control Device Requirements Applicability FlaresNoFlares will not be used to comply with the emissions limits.
§ 63.11(c)Alternative Work Practice for Monitoring Equipment for LeaksYes
§ 63.11(d)Alternative Work Practice StandardYes
§ 63.11(e)Alternative Work Practice RequirementsYes
§ 63.12State Authority and DelegationsYes
§ 63.13AddressesYes
§ 63.14Incorporation by ReferenceYes
§ 63.15Information Availability/ConfidentialityYes
§ 63.16Performance Track ProvisionsYes