# National Emission Standards for Hazardous Air Pollutants: Miscellaneous Organic Chemical Manufacturing
> **Rule** · Final rule; amendments. · Published 2006-07-14 · Effective 2006-07-14 · 71 FR 40316
## Document
- **Document number:** 06-5970
- **Category:** air-emissions
- **Federal Register citation:** 71 FR 40316
- **CFR reference:** 40 CFR 63
- **Publication date:** 2006-07-14
- **Effective date:** 2006-07-14
- **EPA docket:** EPA-HQ-OAR-2003-0121
## Abstract

On November 10, 2003, EPA promulgated national emission standards for hazardous air pollutants for miscellaneous organic chemical manufacturing. Several petitions for judicial review of the final rule were filed in the United States Court of Appeals for the District of Columbia Circuit. Petitioners expressed concern with various requirements in the final rule, including applicability of specific operations and processes, the leak detection and repair requirements for connectors, criteria to define affected wastewater streams requiring control, control requirements for wastewater streams that contain only soluble hazardous air pollutants, the definition of "process condensers," and recordkeeping requirements for Group 2 batch process vents. In this action, EPA amends the final rule to address these issues and to correct inconsistencies that have been discovered during the review process.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2006/07/14/06-5970/national-emission-standards-for-hazardous-air-pollutants-miscellaneous-organic-chemical)
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