Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
Appendix - Table 1 to Subpart U of Part 63—Applicability of General Provisions to Subpart U Affected Sources
Reference Applies to subpart U Explanation
§ 63.1(a)(1)Yes§ 63.482 specifies definitions in addition to or that supersede definitions in § 63.2.
§ 63.1(a)(2)Yes.
§ 63.1(a)(3)Yes§ 63.481(f) through (k) and § 63.160(b) identify those standards which may apply in addition to the requirements of subparts U and H of this part, and specify how compliance shall be achieved.
§ 63.1(a)(4)YesSubpart U (this table) specifies the applicability of each paragraph in subpart A to subpart U.
§ 63.1(a)(5)No[Reserved].
§ 63.1(a)(6)-(8)Yes.
§ 63.1(a)(9)No[Reserved].
§ 63.1(a)(10)Yes.
§ 63.1(a)(11)Yes.
§ 63.1(a)(12)-(14)Yes.
§ 63.1(b)(1)No§ 63.480(a) contains specific applicability criteria.
§ 63.1(b)(2)Yes.
§ 63.1(b)(3)No§ 63.480(b) provides documentation requirements for EPPUs not considered affected sources.
§ 63.1(c)(1)YesSubpart U (this table) specifies the applicability of each paragraph in subpart A to subpart U.
§ 63.1(c)(2)NoArea sources are not subject to subpart U.
§ 63.1(c)(3)No[Reserved].
§ 63.1(c)(4)Yes.
§ 63.1(c)(5)YesExcept that affected sources are not required to submit notifications that are not required by subpart U.
§ 63.1(c)(6)Yes
§ 63.1(d)No[Reserved].
§ 63.1(e)Yes.
§ 63.2Yes§ 63.482 specifies those subpart A definitions that apply to subpart U.
§ 63.3Yes.
§ 63.4(a)(1)-(3)Yes.
§ 63.4(a)(4)No[Reserved].
§ 63.4(a)(5)Yes.
§ 63.4(b)Yes.
§ 63.4(c)Yes.
§ 63.5(a)(1)YesExcept the terms “source” and “stationary source” should be interpreted as having the same meaning as “affected source”.
§ 63.5(a)(2)Yes.
§ 63.5(b)(1)YesExcept § 63.480(i) defines when construction or reconstruction is subject to new source standards.
§ 63.5(b)(2)No[Reserved].
§ 63.5(b)(3)Yes.
§ 63.5(b)(4)YesExcept that the Initial Notification and § 63.9(b) requirements do not apply.
§ 63.5(b)(5)Yes.
§ 63.5(b)(6)YesExcept that § 63.480(i) defines when construction or reconstruction is subject to the new source standards.
§ 63.5(c)No[Reserved].
§ 63.5(d)(1)(i)YesExcept that the references to the Initial Notification and § 63.9(b)(5) do not apply.
§ 63.5(d)(1)(ii)YesExcept that § 63.5(d)(1)(ii)(H) does not apply.
§ 63.5(d)(1)(iii)No§ 63.506(e)(5) and § 63.502(f) specify Notification of Compliance Status requirements.
§ 63.5(d)(2)No.
§ 63.5(d)(3)YesExcept § 63.5(d)(3)(ii) does not apply, and equipment leaks subject to § 63.502 are exempt.
§ 63.5(d)(4)Yes.
§ 63.5(e)Yes.
§ 63.5(f)(1)Yes.
§ 63.5(f)(2)YesExcept that where § 63.9(b)(2) is referred to, the owner or operator need not comply.
§ 63.6(a)Yes.
§ 63.6(b)(1)NoThe dates specified in § 63.481(b) apply, instead.
§ 63.6(b)(2)No.
§ 63.6(b)(3)No.
§ 63.6(b)(4)No.
§ 63.6(b)(5)No.
§ 63.6(b)(6)No[Reserved].
§ 63.6(b)(7)No.
§ 63.6(c)(1)Yes§ 63.481 specifies the compliance date.
§ 63.6(c)(2)No.
§ 63.6(c)(3)No[Reserved].
§ 63.6(c)(4)No[Reserved].
§ 63.6(c)(5)Yes.
§ 63.6(d)No[Reserved].
§ 63.6(e)(1)(i)NoSee § 63.483(a)(1) for general duty requirement. Any cross reference to § 63.6(e)(1)(i) in any other general provision incorporated by reference shall be treated as a cross reference to § 63.483(a)(1).
§ 63.6(e)(1)(ii)No
§ 63.6(e)(1)(iii)Yes.
§ 63.6(e)(2)No[Reserved]
§ 63.6(e)(3)No
§ 63.6(f)(1)No
§ 63.6(f)(2)YesExcept 63.7(c), as referred to in § 63.6(f)(2)(iii)(D) does not apply, and except that § 63.6(f)(2)(ii) does not apply to equipment leaks subject to § 63.502.
§ 63.6(f)(3)Yes.
§ 63.6(g)Yes.
§ 63.6(h)NoSubpart U does not require opacity and visible emission standards.
§ 63.6(i)(1)Yes.
§ 63.6(i)(2)Yes.
§ 63.6(i)(3)Yes.
§ 63.6(i)(4)(i)(A)Yes.
§ 63.6(i)(4)(i)(B)NoDates are specified in § 63.481(e) and § 63.506(e)(3)(i).
§ 63.6(i)(4)(ii)No.
§ 63.6(i)(5)-(14)Yes.
§ 63.6(i)(15)No[Reserved].
§ 63.6(i)(16)Yes.
§ 63.6(j)Yes.
§ 63.7(a)(1)Yes.
§ 63.7(a)(2)No.§ 63.506(e)(5) specifies the submittal dates of performance test results for all emission points except equipment leaks; for equipment leaks, compliance demonstration results are reported in the Periodic Reports.
§ 63.7(a)(3)Yes.
§ 63.7(b)No§ 63.504(a)(4) specifies notification requirements.
§ 63.7(c)NoExcept if the owner or operator chooses to submit an alternative nonopacity emission standard for approval under § 63.6(g).
§ 63.7(d)Yes.
§ 63.7(e)(1)NoSee § 63.504(a)(1). Any cross-reference to § 63.7(e)(1) in any other general provision incorporated by reference shall be treated as a cross-reference to § 63.504(a)(1).
§ 63.7(e)(2)Yes.
§ 63.7(e)(3)NoSubpart U specifies requirements.
§ 63.7(e)(4)Yes.
§ 63.7(f)YesExcept that § 63.144(b)(5)(iii)(A) & (B) shall apply for process wastewater. Also, since a site specific test plan is not required, the notification deadline in § 63.7(f)(2)(i) shall be 60 days prior to the performance test, and in § 63.7(f)(3) approval or disapproval of the alternative test method shall not be tied to the site specific test plan.
§ 63.7(g)YesExcept that the requirements in § 63.506(e)(5) shall apply instead of references to the Notification of Compliance Status report in 63.9(h). In addition, equipment leaks subject to § 63.502 are not required to conduct performance tests.
§ 63.7(h)YesExcept § 63.7(h)(4)(ii) is not applicable, since the site-specific test plans in § 63.7(c)(2) are not required.
§ 63.8(a)(1)Yes.
§ 63.8(a)(2)No.
§ 63.8(a)(3)No[Reserved].
§ 63.8(a)(4)Yes.
§ 63.8(b)(1)Yes.
§ 63.8(b)(2)NoSubpart U specifies locations to conduct monitoring.
§ 63.8(b)(3)Yes.
§ 63.8(c)(1)Yes.
§ 63.8(c)(1)(i)Yes.
§ 63.8(c)(1)(ii)NoFor all emission points except equipment leaks, comply with § 63.506(b)(1)(i)(B); for equipment leaks, comply with § 63.181(g)(2)(iii).
§ 63.8(c)(1)(iii)Yes.
§ 63.8(c)(2)Yes.
§ 63.8(c)(3)Yes.
§ 63.8(c)(4)No§ 63.505 specifies monitoring frequency; not applicable to equipment leaks, because § 63.502 does not require continuous monitoring systems.
§ 63.8(c)(5)-(8)No.
§ 63.8(d)No.
§ 63.8(e)No.
§ 63.8(f)(1)-(3)Yes.
§ 63.8(f)(4)(i)NoTimeframe for submitting request is specified in § 63.506(f) or (g); not applicable to equipment leaks, because § 63.502 (through reference to subpart H) specifies acceptable alternative methods.
§ 63.8(f)(4)(ii)NoContents of request are specified in § 63.506(f) or (g).
§ 63.8(f)(4)(iii)No.
§ 63.8(f)(5)(i)Yes.
§ 63.8(f)(5)(ii)No.
§ 63.8(f)(5)(iii)Yes.
§ 63.8(f)(6)NoSubpart U does not require CEM's.
§ 63.8(g)NoData reduction procedures specified in § 63.506(d) and (h); not applicable to equipment leaks.
§ 63.9(a)Yes.
§ 63.9(b)NoSubpart U does not require an initial notification.
§ 63.9(c)Yes.
§ 63.9(d)Yes.
§ 63.9(e)No§ 63.504(a)(4) specifies notification deadline.
§ 63.9(f)NoSubpart U does not require opacity and visible emission standards.
§ 63.9(g)No.
§ 63.9(h)No§ 63.506(e)(5) specifies Notification of Compliance Status requirements.
§ 63.9(i)Yes.
§ 63.9(j)YesFor change in major source status only.
§ 63.9(k)YesOnly as specified in § 63.9(j).
§ 63.10(a)Yes
§ 63.10(b)(1)No§ 63.506(a) specifies record retention requirements.
§ 63.10(b)(2)NoSubpart U specifies recordkeeping requirements.
§ 63.10(b)(3)No§ 63.480(b) requires documentation of sources that are not affected sources.
§ 63.10(c)No§ 63.506 specifies recordkeeping requirements.
§ 63.10(d)(1)Yes
§ 63.10(d)(2)No§ 63.506(e)(5) specifies performance test reporting requirements; not applicable to equipment leaks.
§ 63.10(d)(3)NoSubpart U does not require opacity and visible emission standards.
§ 63.10(d)(4)Yes
63.10(d)(5)(i)No
§ 63.10(d)(5)(ii)No
§ 63.10(e)No§ 63.506 specifies reporting requirements.
§ 63.10(f)Yes
§ 63.11Yes§ 63.11(b) specifies requirements for flares used to comply with provisions of this subpart. § 63.504(c) contains the requirements to conduct compliance demonstrations for flares subject to this subpart. § 63.11(c), (d), and (e) specifies requirements for an alternative work practice for equipment leaks.
§ 63.12YesExcept that the authority of § 63.503(i) and the authority of § 63.177 (for equipment leaks) will not be delegated to States.
§§ 63.13-63.15Yes

a The plan and any records or reports of start-up, shutdown, and malfunction do not apply to Group 2 emission points unless they are included in an emissions average.

[66 FR 36928, July 16, 2001, as amended at 71 FR 20457, Apr. 20, 2006; 73 FR 78213, Dec. 22, 2008; 85 FR 73891, Nov. 19, 2020]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.