# 40 C.F.R. § 60.56b (2026): Standards for air curtain incinerators

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_56b

## Section

- **Citation:** 40 C.F.R. § 60.56b (2026)
- **Heading:** Standards for air curtain incinerators
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 40 CFR: Protection of Environment / Chapter I / Part 60 / Subpart Eb / § 60.56b: § 60.56b   Standards for air curtain incinerators.

## Text

On and after the date on which the initial performance test is completed or is required to be completed under § 60.8 of subpart A of this part, the owner or operator of an air curtain incinerator with the capacity to combust greater than 250 tons per day of municipal solid waste and that combusts a fuel feed stream composed of 100 percent yard waste and no other municipal solid waste materials shall at no time cause to be discharged into the atmosphere from that incinerator any gases that exhibit greater than 10-percent opacity (6-minute average), except that an opacity level of up to 35 percent (6-minute average) is permitted during startup periods during the first 30 minutes of operation of the unit. [60 FR 65419, Dec. 19, 1995, as amended at 62 FR 45126, Aug. 25, 1997]

## Nearby sections

- [40 C.F.R. § 60.50b (2026) § 60.50b   Applicability and delegation of authority.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_50b.md)
- [40 C.F.R. § 60.51b (2026) § 60.51b   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_51b.md)
- [40 C.F.R. § 60.52b (2026) § 60.52b   Standards for municipal waste combustor metals, acid gases, organics, and nitrogen oxides.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_52b.md)
- [40 C.F.R. § 60.53b (2026) § 60.53b   Standards for municipal waste combustor operating practices.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_53b.md)
- [40 C.F.R. § 60.54b (2026) § 60.54b   Standards for municipal waste combustor operator training and certification.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_54b.md)
- [40 C.F.R. § 60.55b (2026) § 60.55b   Standards for municipal waste combustor fugitive ash emissions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_55b.md)
- [40 C.F.R. § 60.56b (2026) § 60.56b   Standards for air curtain incinerators.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_56b.md)
- [40 C.F.R. § 60.57b (2026) § 60.57b   Siting requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_57b.md)
- [40 C.F.R. § 60.58b (2026) § 60.58b   Compliance and performance testing.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_58b.md)
- [40 C.F.R. § 60.59b (2026) § 60.59b   Reporting and recordkeeping requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_59b.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T40_P60_S60_56b. Check the current official text before relying on it. Not legal advice.