Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
Appendix - Table 1 to Subpart W of Part 63—General Provisions Applicability to Subpart W
Reference Applies to subpart W Comment
BLR WSR WSR equipment leak standard, and BLR equipment leak
standard (40 CFR part 63, subpart H)
§ 63.1(a)(1)YesYesYesAdditional terms defined in § 63.522.
§ 63.1(a)(2)YesYesYes
§ 63.1(a)(3)YesYesYes
§ 63.1(a)(4)YesYesYesSubpart W specifies applicability of each paragraph in subpart A to subpart W.
§ 63.1(a)(5)N/AN/AN/AReserved.
§ 63.1(a)(6)YesYesYes
§ 63.1(a)(7)YesYesYes
§ 63.1(a)(8)NoNoNoDiscusses State programs.
§ 63.1(a)(9)N/AN/AN/AReserved.
§ 63.1(a)(10)YesYesYes
§ 63.1(a)(11)YesYesYes
§ 63.1(a)(12)-(14)YesYesYes
§ 63.1(b)(1)NoNoNo§ 63.521 of subpart W specifies applicability.
§ 63.1(b)(2)YesYesYes
§ 63.1(b)(3)YesYesYes
§ 63.1(c)(1)YesYesYesSubpart W specifies applicability of each paragraph in subpart A to sources subject to subpart W.
§ 63.1(c)(2)NoNoNoArea sources are not subject to subpart W.
§ 63.1(c)(3)N/AN/AN/AReserved.
§ 63.1(c)(4)YesYesYes
§ 63.1(c)(5)YesYesNoSubpart H specifies applicable notification requirements.
§ 63.1(c)(6)YesYesYes
§ 63.1(d)N/AN/AN/AReserved.
§ 63.1(e)YesYesYes
§ 63.2YesYesYesAdditional terms are defined in § 63.522 of subpart W; when overlap between subparts A and W occurs, subpart W takes precedence.
§ 63.3YesYesNoOther units used in subpart W are defined in that subpart; units of measure are spelled out for subpart H.
§ 63.4(a)(1)-(3)YesYesYes
§ 63.4(a)(4)N/AN/AN/AReserved.
§ 63.4(a)(5)YesYesYes
§ 63.4(b)YesYesYes
§ 63.4(c)YesYesYes
§ 63.5(a)YesYesYesExcept replace the terms “source” and “stationary source” in § 63.5(a)(1) of subpart A with “affected source”.
§ 63.5(b)(1)YesYesYes
§ 63.5(b)(2)N/AN/AN/AReserved.
§ 63.5(b)(3)YesYesYes
§ 63.5(b)(4)YesYesYes
§ 63.5(b)(5)YesYesYes
§ 63.5(b)(6)YesYesYes
§ 63.5(c)N/AN/AN/AReserved.
§ 63.5(d)(1)(i)YesYesYes
§ 63.5(d)(1)(ii)YesYesYes
§ 63.5(d)(1)(iii)YesYesYes
§ 63.5(d)(2)YesYesYes
§ 63.5(d)(3)-(4)YesYesYes
§ 63.5(e)YesYesYes
§ 63.5(f)(1)YesYesYesExcept replace “source” in § 63.5(f)(1) of subpart A with “affected source”.
§ 63.5(f)(2)YesYesYes
§ 63.6(a)YesYesYes
§ 63.6(b)(1)-(2)NoNoNoSubpart W specifies compliance dates.
§ 63.6(b)(3)-(4)YesYesYes
§ 63.6(b)(5)YesNoSubpart H includes notification requirements.
§ 63.6(b)(6)N/AN/AN/AReserved.
§ 63.6(b)(7)NoYesNoSources subject to subpart H must comply according to the schedule in § 63.520 of subpart W for new sources subject to subpart H.
§ 63.6(c)(1)-(2)YesYesYesExcept replace “source” in § 63.6(c)(1)-(2) of subpart A with “affected source”.
§ 63.6(c)(3)-(4)N/AN/AN/AReserved.
§ 63.6(c)(5)YesYesYes
§ 63.6(d)N/AN/AN/AReserved.
§ 63.6(e)YesYesYes
§ 63.6(e)(1)(i)Reserved.
§ 63.6(e)(1)(ii)See CommentYes, before July 15, 2027. No, beginning on and after July 15, 2027.
§ 63.6(e)(1)(iii)YesYesYes
63.6(e)(2)N/AN/AN/AReserved.
63.6(e)(3)See CommentYes, before July 15, 2027. No, beginning on and after July 15, 2027.
§ 63.6(f)(1)YesYesYes
§ 63.6(f)(2)(i)-(ii)YesYesYes
§ 63.6(f)(2)(iii)YesYesYes
§ 63.6(f)(2)(iv)YesYesYes
§ 63.6(f)(3)YesYesYes
§ 63.6(g)YesYesYesAffected sources have the opportunity to demonstrate other alternatives to the Administrator.
§ 63.6(h)NoNoNoSubpart W does not contain any opacity or visible emissions standards.
§ 63.6(i)(1)YesYesYes
§ 63.6(i)(2)YesYesYesExcept replace “source” in § 63.6(2) (i) and (ii) of subpart A with “affected source”.
§ 63.6(i)(3)YesYesYes
§ 63.6(i)(4)(i)YesYesYes
§ 63.6(i)(4)(ii)YesYesYes
§ 63.6(i)(5)-(14)YesYesYes
§ 63.6(i)(15)N/AN/AN/AReserved.
§ 63.6(i)(16)YesYesYes
§ 63.6(j)YesYesYes
§ 63.7(a)(1)YesYesNoSubpart H specifies required testing and compliance procedures.
§ 63.7(a)(2)(i)-(vi)YesYesNoSubpart H specifies that test results must be submitted in the Notification of Compliance Status due 150 days after the compliance date.
§ 63.7(a)(2)(vii)-(viii)N/AN/AN/AReserved.
§ 63.7(a)(2)(ix)YesYesYes
§ 63.7(a)(3)YesYesYes
§ 63.7(a)(4)YesYesYes
§ 63.7(b)(1)YesYesYes
§ 63.7(b)(2)YesYesYes
§ 63.7(c)NoNoNo
§ 63.7(d)YesYesYesExcept replace “source” in § 63.7(d) of subpart A with “affected source”.
§ 63.7(e)(1)Yes, before July 15, 2027. No, beginning on and after July 15, 2027.See § 63.525(l). Subpart W also contains test methods specific to BLR and WSR sources.
§ 63.7(e)(2)YesYesYes
§ 63.7(e)(3)YesYesNoSubpart H specifies test methods and procedures.
§ 63.7(f)YesYesNoSubpart H specifies applicable methods and provides alternatives.
§ 63.7(g)(1)YesYesNoSubpart H specifies performance test reporting. Additionally, this subpart specifies how and when the performance test results are reported for BLR and WSR.
§ 63.7(g)(2)N/AN/AN/AReserved.
§ 63.7(g)(3)YesYesYes
§ 63.7(h)(1)-(2)YesYesYes
§ 63.7(h)(3)(i)YesYesYes
§ 63.7(h)(3)(ii)-(iii)YesYesYes
§ 63.7(h)(4)-(5)YesYesYes
§ 63.8(a)(1)YesYesYes
§ 63.8(a)(2)YesYesYes
§ 63.8(a)(3)N/AN/AN/AReserved.
§ 63.8(a)(4)YesYesYes
§ 63.8(b)(1)YesYesYes
§ 63.8(b)(2)YesYesNoSubpart H specifies locations to conduct monitoring.
§ 63.8(b)(3)YesYesYes
§ 63.8(c)(1)(i)Yes, before July 15, 2027. No, beginning on and after July 15, 2027.
§ 63.8(c)(1)(ii)YesYesYes
§ 63.8(c)(1)(iii)Yes, before July 15, 2027. No, beginning on and after July 15, 2027.
§ 63.8(c)(2)-(3)YesYesYes
§ 63.8(c)(4)-(8)NoNoNoSubpart W specifies monitoring frequencies.
§ 63.8(d)NoNoNo
§ 63.8(e)NoNoNo
§ 63.8(f)(1)YesYesYes
§ 63.8(f)(2)YesYesYes
§ 63.8(f)(3)YesYesYes
§ 63.8(f)(4)YesYesYes
§ 63.8(f)(5)YesYesYes
§ 63.8(f)(6)YesYesNo
§ 63.8(g)YesYesYes
§ 63.9(a)YesYesYes
§ 63.9(b)(1)(i)-(ii)YesYesYes
§ 63.9(b)(1)(iii)YesYesYes
§ 63.9(b)(2)YesYesYes
§ 63.9(b)(3)YesYesYes
§ 63.9(b)(4)YesYesYes
§ 63.9(b)(5)YesYesYes
§ 63.9(c)YesYesYes
§ 63.9(d)YesYesYes
§ 63.9(e)NoNoNo
§ 63.9(f)NoNoNo
§ 63.9(g)NoNoNo
§ 63.9(h)(1)-(3)YesYesNoSeparate Notification of Compliance Status requirements are specified for subpart H.
§ 63.9(h)(4)N/AN/AN/AReserved.
§ 63.9(h)(5)-(6)YesYesNoSubpart H specifies Notification of Compliance Status requirements.
§ 63.9(i)YesYesYes
§ 63.9(j)YesYesYes
§ 63.9(k)YesYesYes
§ 63.10(a)YesYesYes
§ 63.10(b)(1)YesYesYes
§ 63.10(b)(2)NoNoNoSubparts H and W specify recordkeeping requirements.
§ 63.10(b)(3)YesYesYes
§ 63.10(c)(1)-(6)NoNoNo
§ 63.10(c)(7)-(8)YesYesYes
§ 63.10(c)(9)-(15)NoNoNo
§ 63.10(d)(1)YesYesNoSubpart H specifies performance test reporting requirements.
§ 63.10(d)(2)NoNoNoThis subpart and Subpart H specify performance test reporting requirements.
§ 63.10(d)(3)NoNoNo
§ 63.10(d)(4)YesYesYes
§ 63.10(d)(5)Yes, before July 15, 2027. No, beginning on and after July 15, 2027.
§ 63.10(e)(1)-(2)NoNoNo
§ 63.10(e)(3)YesYesNoExcept that on and after July 15, 2027, the reports shall be submitted according to and in the format required by § 63.528(a).
§ 63.10(e)(4)NoNoNo
§ 63.10(f)YesYesYes
§ 63.11-63.15YesYesYes
[60 FR 12676, Mar. 8, 1995, as amended at 85 FR 73891, Nov. 19, 2020; 89 FR 43274, May 16, 2024] Editorial Note:At 89 FR 43274, May 16, 2024, table 1 to subpart W was amended in part by revising entry “§ 63.6(e)(1)(i)”. However, the amendment could not be incorporated an inaccurate amendatory instruction. [60 FR 12676, Mar. 8, 1995, as amended at 89 FR 43274, May 16, 2024]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.