# Air Plan Approval; California; Placer County Air Pollution Control District, Antelope Valley Air Quality Management District, Mariposa County Air Pollution Control District, and Eastern Kern Air Pollution Control District
> **Rule** · Final rule. · Published 2021-01-15 · Effective 2021-02-16 · 86 FR 3816
## Document
- **Document number:** 2020-28018
- **Category:** air-emissions
- **Federal Register citation:** 86 FR 3816
- **CFR reference:** 40 CFR 52
- **Publication date:** 2021-01-15
- **Effective date:** 2021-02-16
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2020-0435
## Abstract

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Placer County Air Pollution Control District (PCAPCD), Antelope Valley Air Quality Management District (AVAQMD), Mariposa County Air Pollution Control District (MCAPCD), and Eastern Kern Air Pollution Control District (EKAPCD) portions of the California State Implementation Plan (SIP). These revisions concern negative declarations for the Control Techniques Guidelines (CTG) for the Oil and Natural Gas Industry (Oil and Natural Gas CTG). We are approving the negative declarations into the California SIP.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/01/15/2020-28018/air-plan-approval-california-placer-county-air-pollution-control-district-antelope-valley-air)
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