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OAR Policy and Guidance Metarecord

Document Title/Subject:
Proposed NESHAP: Mineral wool Production
Related Documents:
Proposed Method 318
Signed by: Carol Browner

Signature Date:

Mary Johnson
Emission Standards Division, OAQPS (MD-13)



Regulatory Authority:
Title 3
Emission Standards Division (OAQPS)
Submitted By:
Document Type:
Proposed & Final Preambles & Rules
EPA Document Number:

Federal Register:
62FR 25370 05/08/97
Subject Category:
Maximum Achievable Control Technology Emission Standards
Particulate matter
Air pollutants
Clean Air Act
This document contains text of a proposed national emission standard for hazardous air pollutants (NESHAP) for new and existing sources in mineral wool production plants. Hazardous air pollutants (HAPs) emitted by the facilities covered by this proposed rule include carbonyl sulfide, nine hazardous metals, formaldehyde, and phenol. Exposure to the hazardous air pollutant (HAP) constituents in these emissions may be associated with adverse carcinogenic, respiratory, nervous system, dermal, developmental, and/or reproductive health effects. Because there are only 16 plants and most of these plants are already meeting the floor level of control, implementation of the proposed requirements would reduce nationwide emissions of HAPs by an estimated 46 megagrams per year (Mg/yr) [51 tons per year (tpy)]. In addition, emissions of particulate matter (PM) would be reduced by approximately 186 Mg/yr (205 tpy).
The standards are proposed under the authority of section 112(d) of the Clean Air Act as amended (the Act) and are based on the Administrator's determination that some mineral wool production plants are major sources of emissions of one or more of the HAPs listed in section 112(b) of the Act from the various process operations found within the industry. The proposed NESHAP would provide protection to the public by requiring all mineral wool production plants that are major sources to meet emission standards reflecting the application of the maximum achievable control technology (MACT). (158KB in WP document)

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