# National Emission Standards for Hazardous Air Pollutants: Petroleum Refineries
> **Rule** · Direct final rule. · Published 1998-06-09 · Effective 1998-08-18 · 63 FR 31358
## Document
- **Document number:** 98-15005
- **Category:** air-emissions
- **Federal Register citation:** 63 FR 31358
- **CFR reference:** 40 CFR 63
- **Publication date:** 1998-06-09
- **Effective date:** 1998-08-18
- **EPA docket:** AD-FRL-6106-4
## Abstract

This action revises the ``National Emission Standards for Hazardous Air Pollutants: Petroleum Refineries'' which was issued as a final rule August 18, 1995. This rule is commonly known as the Petroleum Refineries national emission standards for hazardous air pollutants (NESHAP). This action revises the date by which an Implementation Plan for emissions averaging is to be submitted. Today's action also exempts specific streams associated with hydrogen plants from the requirements for process vents.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/06/09/98-15005/national-emission-standards-for-hazardous-air-pollutants-petroleum-refineries)
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