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Title 40

Displaying title 40, up to date as of 6/11/2026. Title 40 was last amended 6/11/2026.
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Table 1 to Subpart KK of Part 63—Applicability of General Provisions to Subpart KK

General provisions reference Applicable to subpart KK Comment
§ 63.1(a)(1)-(a)(4) Yes.
§ 63.1(a)(5) No Section reserved.
§ 63.1(a)(6)-(a)(8) No.
§ 63.1(a)(9) No Section reserved.
§ 63.1(a)(10)-(a)(14) Yes.
§ 63.1(b)(1) No Subpart KK specifies applicability.
§ 63.1(b)(2)-(b)(3) Yes.
§ 63.1(c)(1) Yes.
§ 63.1(c)(2) No Area sources are not subject to subpart KK.
§ 63.1(c)(3) No Section reserved.
§ 63.1(c)(4) Yes.
§ 63.1(c)(5) No.
§ 63.1(c)(6) Yes
§ 63.1(d) No Section reserved.
§ 63.1(e) Yes.
§ 63.2 Yes Additional definitions in subpart KK.
§ 63.3(a)-(c) Yes.
§ 63.4(a)(1)-(a)(3) Yes.
§ 63.4(a)(4) No Section reserved.
§ 63.4(a)(5) Yes.
§ 63.4(b)-(c) Yes.
§ 63.5(a)(1)-(a)(2) Yes.
§ 63.5(b)(1) Yes.
§ 63.5(b)(2) No Section reserved.
§ 63.5(b)(3)-(b)(6) Yes.
§ 63.5(c) No Section reserved.
§ 63.5(d) Yes.
§ 63.5(e) Yes.
§ 63.5(f) Yes.
§ 63.6(a) Yes.
§ 63.6(b)(1)-(b)(5) Yes.
§ 63.6(b)(6) No Section reserved.
§ 63.6(b)(7) Yes.
§ 63.6(c)(1)-(c)(2) Yes.
§ 63.6(c)(3)-(c)(4) No Sections reserved.
§ 63.6(c)(5) Yes.
§ 63.6(d) No Section reserved.
§ 63.6(e)(1)(i) No See 63.823(b) 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 63.823(b).
§ 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(f)(2)-(f)(3) Yes.
§ 63.6(g) Yes.
§ 63.6(h) No Subpart KK does not require COMS.
§ 63.6(i)(1)-(i)(14) Yes.
§ 63.6(i)(15) No Section reserved.
§ 63.6(i)(16) Yes.
§ 63.6(j) Yes.
§ 63.7(a)-(d) Yes.
§ 63.7(e)(1) No See 63.827 introductory text. Any cross-reference to 63.7(e)(1) in any other general provision incorporated by reference shall be treated as a cross-reference to 63.827 introductory text.
§ 63.7(e)(2)-(e)(4) Yes.
§ 63.8(a)(1)-(a)(2) Yes.
§ 63.8(a)(3) No Section reserved.
§ 63.8(a)(4) No Subpart KK specifies the use of solvent recovery devices or oxidizers.
§ 63.8(b) Yes.
§ 63.8(c)(1)-(3) Yes.
§ 63.8(c)(4) No Subpart KK specifies CMS sampling requirements.
§ 63.8(c)(5) No Subpart KK does not require COMS.
§ 63.8(c)(6)-(c)(8) Yes Provisions for COMS are not applicable.
§ 63.8(d)(1)-(2) Yes.
§ 63.8(d)(3) Yes, except for last sentence.
§ 63.8(e)-(f) Yes.
§ 63.8(g) No Subpart KK specifies CMS data reduction requirements.
§ 63.9(a) Yes.
§ 63.9(b)(1) Yes.
§ 63.9(b)(2) Yes Initial notification submission date extended.
§ 63.9(b)(3)-(b)(5) Yes.
§ 63.9(c)-(e) Yes.
§ 63.9(f) No Subpart KK does not require opacity and visible emissions observations.
§ 63.9(g) Yes Provisions for COMS are not applicable.
§ 63.9(h)(1)-(h)(3) Yes.
§ 63.9(h)(4) No Section reserved.
§ 63.9(h)(5)-(h)(6) Yes.
§ 63.9(i) Yes.
§ 63.9(j) Yes.
§ 63.9(k) Yes Only as specified in 63.9(j).
§ 63.10(a) Yes.
§ 63.10(b)(1) Yes.
§ 63.10(b)(2)(i) No.
§ 63.10(b)(2)(ii) No See 63.829(g) for recordkeeping of occurrence and duration of malfunctions. See 63.829(h) for recordkeeping of actions taken during malfunction. Any cross-reference to 63.10(b)(2)(ii) in any other general provision incorporated by reference shall be treated as a cross-reference to 63.829(g).
§ 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) Yes.
§ 63.10(c)(2)-(c)(4) No Sections reserved.
§ 63.10(c)(5)-(c)(8) Yes.
§ 63.10(c)(9) No Section reserved.
§ 63.10(c)(10) No See 63.830(b)(6)(v) for reporting malfunctions. Any cross-reference to 63.10(c)(10) in any other general provision incorporated by reference shall be treated as a cross-reference to 63.830(b)(6)(v).
§ 63.10(c)(11) No See 63.830(b)(6)(v) for reporting malfunctions. Any cross-reference to 63.10(c)(11) in any other general provision incorporated by reference shall be treated as a cross-reference to 63.830(b)(6)(v).
§ 63.10(c)(12)-(c)(14) Yes.
§ 63.10(c)(15) No.
§ 63.10(d)(1)-(d)(2) Yes.
§ 63.10(d)(3) No Subpart KK does not require opacity and visible emissions observations.
§ 63.10(d)(4) Yes.
§ 63.10(d)(5) No.
§ 63.10(e) Yes Provisions for COMS are not applicable.
§ 63.10(f) Yes.
§ 63.11 No Subpart KK specifies the use of solvent recovery devices or oxidizers.
§ 63.12 Yes.
§ 63.13 Yes.
§ 63.14 Yes.
§ 63.15 Yes.

[61 FR 27140, May 30, 1996, as amended at 76 FR 22598, Apr. 21, 2011; 85 FR 73895, Nov. 19, 2020]