# Testing Provisions for Air Emission Sources
> **Rule** · Final rule. · Published 2023-03-29 · Effective 2023-05-30 · 88 FR 18396
## Document
- **Document number:** 2023-04956
- **Category:** other
- **Federal Register citation:** 88 FR 18396
- **CFR reference:** 40 CFR 51
- **Publication date:** 2023-03-29
- **Effective date:** 2023-05-30
- **EPA docket:** EPA-HQ-OAR-2020-0556
## Abstract

This action promulgates corrections and updates to regulations for source testing of emissions under various rules. This final rule includes corrections to typographical and technical errors, updates to outdated procedures, and revisions to add clarity and consistency with other monitoring requirements. The revisions will improve the quality of data but will not impose new substantive requirements on source owners or operators.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/03/29/2023-04956/testing-provisions-for-air-emission-sources)
---
*AI Analytics · CC0 1.0*