# National Emission Standards for Hazardous Air Pollutants for Area Sources: Clay Ceramics Manufacturing, Glass Manufacturing, and Secondary Nonferrous Metals Processing
> **Rule** · Final rule. · Published 2007-12-26 · Effective 2007-12-26 · 72 FR 73180
## Document
- **Document number:** E7-24720
- **Category:** air-emissions
- **Federal Register citation:** 72 FR 73180
- **CFR reference:** 40 CFR 63
- **Publication date:** 2007-12-26
- **Effective date:** 2007-12-26
- **EPA docket:** EPA-HQ-OAR-2006-0424
## Abstract

EPA is issuing national emission standards for the Clay Ceramics Manufacturing, Glass Manufacturing, and Secondary Nonferrous Metals Processing area source categories. Each of these three final emissions standards reflects the generally available control technology or management practices used by sources within the respective area source category.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/12/26/E7-24720/national-emission-standards-for-hazardous-air-pollutants-for-area-sources-clay-ceramics)
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