# Air Quality Implementation Plan; California; Mendocino County Air Quality Management District; Stationary Source Permits
> **Rule** · Final rule. · Published 2021-06-25 · Effective 2021-07-26 · 86 FR 33539
## Document
- **Document number:** 2021-13452
- **Category:** air-emissions
- **Federal Register citation:** 86 FR 33539
- **CFR reference:** 40 CFR 52
- **Publication date:** 2021-06-25
- **Effective date:** 2021-07-26
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2020-0519
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Mendocino County Air Quality Managment District (MCAQMD or "District") portion of the California State Implementation Plan (SIP). These revisions concern the District's prevention of significant deterioration (PSD) permitting program for new and modified stationary sources of air pollution. We are approving these local rules pursuant to requirements under part C of title I of the Clean Air Act as amended in 1990 (CAA or the "Act").

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/06/25/2021-13452/air-quality-implementation-plan-california-mendocino-county-air-quality-management-district)
---
*AI Analytics · CC0 1.0*