# 40 CFR § 61.06: Determination of construction or modification

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-40-61.06

## Section

- **Citation:** 40 CFR § 61.06
- **Heading:** Determination of construction or modification
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 40—Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER C—AIR PROGRAMS > PART 61—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS > Subpart A—General Provisions

## Text

An owner or operator may submit to the Administrator a written application for a determination of whether actions intended to be taken by the owner or operator constitute construction or modification, or commencement thereof, of a source subject to a standard. The Administrator will notify the owner or operator of his determination within 30 days after receiving sufficient information to evaluate the application.
[50 FR 46291, Nov. 7, 1985]

## Nearby sections

- [40 CFR § 61.01 § 61.01 Lists of pollutants and applicability of part 61.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.01.md)
- [40 CFR § 61.02 § 61.02 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.02.md)
- [40 CFR § 61.03 § 61.03 Units and abbreviations.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.03.md)
- [40 CFR § 61.04 § 61.04 Address.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.04.md)
- [40 CFR § 61.05 § 61.05 Prohibited activities.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.05.md)
- [40 CFR § 61.06 § 61.06 Determination of construction or modification.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.06.md)
- [40 CFR § 61.07 § 61.07 Application for approval of construction or modification.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.07.md)
- [40 CFR § 61.08 § 61.08 Approval of construction or modification.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.08.md)
- [40 CFR § 61.09 § 61.09 Notification of startup.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.09.md)
- [40 CFR § 61.10 § 61.10 Source reporting and waiver request.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.10.md)
- [40 CFR § 61.11 § 61.11 Waiver of compliance.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.11.md)
- [40 CFR § 61.12 § 61.12 Compliance with standards and maintenance requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.12.md)
- [40 CFR § 61.13 § 61.13 Emission tests and waiver of emission tests.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.13.md)
- [40 CFR § 61.14 § 61.14 Monitoring requirements.](https://www.frixlaw.com/law-library/statutes/ecfr-40-61.14.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-40-61.06. Check the current official text before relying on it. Not legal advice.