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40 CFR Part 63, Table 1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
ReferenceApplies to subpartTTTComment
63.6(a), (b), (c)Yes.
63.6(d)NoSection reserved.
63.6(e)(1)(i)NoSee 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)NoSection reserved.
63.6(e)(3)No.
63.6(f)(1)No.
63.6(g)Yes.
63.6(h)NoNo opacity limits in rule.
63.6(i)Yes.
63.6(j)Yes.
§ 63.7(a)-(d)Yes.
§ 63.7(e)(1)NoSee 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)NoReserved.
63.9(k)YesOnly as specified in 63.9(j).
63.10(b)(2)(i)No.
63.10(b)(2)(ii)NoSee 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)NoSee 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)NoSee 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]