---
kind: "section"
citation: "40 C.F.R. § 60.1220"
title: "40"
number: "60.1220"
heading: "What happens to the emission limits during periods of startup, shutdown, and malfunction?"
url: "https://uscodex.org/cfr/40/60.1220"
---

# §60.1220. What happens to the emission limits during periods of startup, shutdown, and malfunction?

- (a) The emission limits of this subpart apply at all times except during periods of municipal waste combustion unit startup, shutdown, or malfunction.
- (b) Each startup, shutdown, or malfunction must not last for longer than 3 hours.
- (c) A maximum of 3 hours of test data can be dismissed from compliance calculations during periods of startup, shutdown, or malfunction.
- (d) During startup, shutdown, or malfunction periods longer than 3 hours, emissions data cannot be discarded from compliance calculations and all provisions under [§ 60.11(d)](/cfr/40/60.11.md?p=d) apply.

## Notes

### Source

Source: 65 FR 76355, Dec. 6, 2000, unless otherwise noted.

### Authority

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

### Source

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