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OAR Policy and Guidance Metarecord

Document Title/Subject:
National Emission Standards for Hazardous Air Pollutants: Generic Maximum Achievable Control Technology
Related Documents:
Signed by: Carol Browner

Signature Date: 09/16/98

Contact:
David Markwordt

Filename(s):
http://www.epa.gov/ttn/oarpg/t3/fr_notices/gm701.zip
URL(s):

 

Regulatory Authority:
Title 3

Division:
Emission Standards Division (OAQPS)
Submitted By:
Markwordt.David
Document Type:
Proposed & Final Preambles & Rules
EPA Document Number:

Federal Register:
Supersedes:
Subject Category:
AIRToxics
Keywords:
Chemical industry National Emission Standards for Hazardous Air Pollutants
NESHAPs
Generic MACT acrylic/modacrylic
Terms:
Air pollutants Air quality Chemicals Clean Air Act
CAA
Abstract:

This consolidated rulemaking proposal includes several related elements. Today's proposal would establish a "Generic MACT Standards" program to be utilized by the EPA in establishing National Emission Standards for Hazardous Air Pollutants (NESHAP) under section 112 of the Clean Air Act (Act) for certain small source categories consisting of five or fewer sources. As part of this generic MACT program, the EPA is proposing an alternative methodology under which the EPA will make its maximum available control technology (MACT) determination for appropriate small categories by referring to previous MACT standards that have been promulgated for similar sources in other categories. The basic purposes of the proposed generic MACT program are to use public and private sector resources efficiently, and to promote regulatory consistency and predictability in MACT standard development.

In this consolidated rulemaking package, the EPA is also proposing general control requirements for certain types of emission points for hazardous air pollutants (HAP), which will then be referenced, as appropriate, in the generic MACT requirements for individual source categories. These proposed general control requirements are set forth in new proposed subparts and would be applicable to storage vessels managing organic materials, process vents emitting organic vapors, leaks from equipment components. In addition, the EPA is proposing a separate subpart of requirements for closed vent systems, control devices, recovery devices and routing to fuel gas systems or a process.

Today's consolidated rulemaking package also includes specific proposed MACT standards that have been developed within the generic MACT framework for four specific source categories that are included on the EPA's list of categories for which NESHAP are required. These proposals include standards for acetal resins (AR) production, acrylic and modacrylic fiber (AMF) production, hydrogen fluoride (HF) production, and polycarbonate(s) (PC) production.

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