# National Emission Standards for Hazardous Air Pollutants From the Portland Cement Manufacturing Industry
> **Rule** · Direct final rule; amendments. · Published 2002-04-05 · Effective 2002-07-05 · 67 FR 16614
## Document
- **Document number:** 02-8161
- **Category:** air-emissions
- **Federal Register citation:** 67 FR 16614
- **CFR reference:** 40 CFR 63
- **Publication date:** 2002-04-05
- **Effective date:** 2002-07-05
- **EPA docket:** FRL-7168-1
## Abstract

The EPA is taking direct final action on targeted amendments to the national emission standards for the portland cement manufacturing industry promulgated on June 14, 1999 under the authority of section 112 of the Clean Air Act (CAA). The amendments make improvements to the implementation of the emission standards, primarily in the areas of applicability, testing, and monitoring to resolve issues and questions raised since promulgation of the rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2002/04/05/02-8161/national-emission-standards-for-hazardous-air-pollutants-from-the-portland-cement-manufacturing)
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