40 CFR § 62.15150 - What happens to the operating requirements during periods of startup, shutdown, and malfunction?

---
identifier: "/us/cfr/t40/s62.15150"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 62.15150 - What happens to the operating requirements during periods of startup, shutdown, and malfunction?"
title_number: 40
title_name: "Protection of Environment"
section_number: "62.15150"
section_name: "What happens to the operating requirements during periods of startup, shutdown, and malfunction?"
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "C"
subchapter_name: "AIR PROGRAMS"
part_number: "62"
part_name: "APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7401"
regulatory_source: "43 FR 51393, Nov. 3, 1978, unless otherwise noted."
cfr_part: "62"
---


# 62.15150 What happens to the operating requirements during periods of startup, shutdown, and malfunction?

(a) The operating requirements 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.