---
kind: "section"
citation: "40 C.F.R. § 60.4310a"
title: "40"
number: "60.4310a"
heading: "What stationary combustion turbines are not subject to this subpart?"
url: "https://uscodex.org/cfr/40/60.4310a"
---

# §60.4310a. What stationary combustion turbines are not subject to this subpart?

- (a) An integrated gasification combined cycle electric utility steam generating unit subject to subpart Da of this part is not subject to this subpart.
- (b) A stationary combustion turbine used in a combustion turbine test cell/stand, as defined in [§ 60.4420a](/cfr/40/60.4420a.md), is not subject to this subpart.
- (c) If any solid fuel is combusted in the HRSG, the HRSG is not subject to this subpart.
- (d) **Combustion turbines subject to title II of the Clean Air Act are not subject to this subpart.**

## Notes

### Amendments

[91 FR 1985, Jan. 15, 2026, as amended at 91 FR 43566, July 16, 2026]

### Source

Source: 91 FR 1985, Jan. 15, 2026, unless otherwise noted.

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Source

Source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.

### Amendments

[91 FR 1985, Jan. 15, 2026, as amended at 91 FR 43566, July 16, 2026]