U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

§ 60.2991 - What incineration units must I address in my state plan?

Your state plan must address all incineration units in your state that meet all the requirements specified in paragraphs (a) through (c) of this section.

(a) The incineration unit is an existing incineration unit as defined in § 60.2992, except as specified in paragraph (d) of this section.

(b) The incineration unit is an OSWI unit as defined in § 60.3078 or an air curtain incinerator subject to this subpart as described in § 60.2994(b). OSWI units are very small municipal waste combustion units and institutional waste incineration units as defined in § 60.3078 and include very small municipal waste combustion units and institutional waste incineration units with capacities less than or equal to 10 tons per day.

(c) The incineration unit is not excluded under § 60.2993.

(d) This subpart does not apply to your unit if it is a rudimentary combustion device as defined in § 60.3078.

(e) If your existing incineration unit meets the requirements in § 60.2991(a) or (b), and you replace the unit or make changes to the unit that meet the definition of modification or reconstruction, the unit is subject to the requirements in § 60.2885, except § 60.2885(d) does not apply.

(f) If your existing incineration unit meets the requirements in § 60.2991(a) or (b), and you make physical or operational changes to the unit, that do not meet the definition of modification or reconstruction, the unit is still subject to the requirements in § 60.2991, except § 60.2991(d) does not apply.

[70 FR 74907, Dec. 16, 2005, as amended at 90 FR 27956, June 30, 2025]