40 C.F.R. Table 1 to Subpart TTT of Part 63
General Provisions Applicability to Subpart TTT
Cite as 40 C.F.R. Table 1 to Subpart TTT of Part 63 (2026)
Reference Applies to subpart TTT Comment 63.6(a), (b), (c) Yes. 63.6(d) No Section reserved. 63.6(e)(1)(i) No See 63.1543(i) and 63.1544(d) for general duty requirement. 63.6(e)(1)(ii) No. 63.6(e)(1)(iii) Yes. 63.6(e)(2) No Section reserved. 63.6(e)(3) No. 63.6(f)(1) No. 63.6(g) Yes. 63.6(h) No No opacity limits in rule. 63.6(i) Yes. 63.6(j) Yes. § 63.7(a)-(d) Yes. § 63.7(e)(1) No See 63.1546(c). § 63.7(e)(2)-(e)(4) Yes. 63.7(f), (g), (h) Yes. 63.8(a)-(b) Yes. 63.8(c)(1)(i) No. 63.8(c)(1)(ii) Yes. 63.8(c)(1)(iii) No. 63.8(c)(2)-(d)(2) Yes. 63.8(d)(3) Yes, except for last sentence. 63.8(e)-(g) Yes. 63.9(a), (b), (c), (e), (g), (h)(1) through (3), (h)(5) and (6), (i) and (j) Yes. 63.9(f) No. 63.9(h)(4) No Reserved. 63.9(k) Yes Only as specified in 63.9(j). 63.10(b)(2)(i) No. 63.10(b)(2)(ii) No See 63.1549(b)(9) and (10) for recordkeeping of occurrence and duration of malfunctions and recordkeeping of actions taken during malfunction. 63.10(b)(2)(iii) Yes. 63.10(b)(2)(iv)-(b)(2)(v) No. 63.10(b)(2)(vi)-(b)(2)(xiv) Yes. 63.(10)(b)(3) Yes. 63.10(c)(1)-(9) Yes. 63.10(c)(10)-(11) No See 63.1549(b)(9) and (10) for recordkeeping of malfunctions. 63.10(c)(12)-(c)(14) Yes. 63.10(c)(15) No. 63.10(d)(1)-(4) Yes. 63.10(d)(5) No See 63.1549(e)(9) for reporting of malfunctions. 63.10(e)-(f) Yes. [76 FR 70858, Nov. 15, 2011, as amended at 85 FR 73901, Nov. 19, 2020]
- Cross-references to the CFR
- 63.7