# Delegation of National Emission Standards for Hazardous Air Pollutants for Source Categories; State of Arizona, Maricopa County Air Quality Department; State of California, Santa Barbara County Air Pollution Control District
> **Rule** · Direct final rule. · Published 2011-03-18 · Effective 2011-05-17 · 76 FR 14807
## Document
- **Document number:** 2011-6425
- **Category:** air-emissions
- **Federal Register citation:** 76 FR 14807
- **CFR reference:** 40 CFR 63
- **Publication date:** 2011-03-18
- **Effective date:** 2011-05-17
- **State:** AZ
- **EPA docket:** EPA-R09-OAR-2011-0213
## Abstract

EPA is amending certain regulations to reflect the current delegation status of national emission standards for hazardous air pollutants (NESHAP) in Arizona and California. Several NESHAP were delegated to the Maricopa County Air Quality Department and the Santa Barbara County Air Pollution Control District within the past 12 months. The purpose of this action is to update the listing in the Code of Federal Regulations.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2011/03/18/2011-6425/delegation-of-national-emission-standards-for-hazardous-air-pollutants-for-source-categories-state)
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