Hazardous substances

Approval of the Clean Air Act, Authority for Hazardous Air Pollutants: Asbestos Management and Control; State of New Hampshire Department of Environmental Services

The Environmental Protection Agency (EPA) is proposing to approve the amended ``Env-Sw 2100: Management and Control of Asbestos Sites Not Operated after July 9, 1981,'' effective September 1, 2018 (``amended Asbestos Disposal Site Rule'') in place of the National Emission Standard for Asbestos (``Asbestos NESHAP'') provisions for inactive waste disposal sites not operated after July 9, 1981 submitted by the State of New Hampshire.

Publication Date: 
Thursday, January 12, 2023 - 4:00am

National Emission Standards for Hazardous Air Pollutants: Lime Manufacturing Plants Amendments

The U.S. Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants for Lime Manufacturing Plants (Lime Manufacturing NESHAP), as required by the Clean Air Act (CAA). To ensure that all emissions of HAP from sources in the source category are regulated, the EPA is proposing hazardous air pollutant (HAP) emissions standards for the following pollutants: hydrogen chloride (HCl), mercury, total hydrocarbon (THC) as a surrogate for organic HAP, and dioxin/furans (D/ F).

Publication Date: 
Thursday, January 5, 2023 - 4:00am

National Emission Standards for Hazardous Air Pollutants: Paint Stripping and Miscellaneous Surface Coating Operations at Area Sources Technology Review

This action finalizes the technology review conducted for the paint stripping and miscellaneous surface coating operations area source categories regulated under national emission standards for hazardous air pollutants (NESHAP). These final amendments also address provisions regarding electronic reporting; make miscellaneous clarifying and technical corrections; simplify the petition for exemption process; and clarify requirements for emissions during periods of startup, shutdown, and malfunction (SSM).

Publication Date: 
Thursday, November 10, 2022 - 4:00am

Delegation of New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants for the States of Arizona and California

The Environmental Protection Agency (EPA) is taking final action to approve updates to the Code of Federal Regulations delegation tables to reflect the current delegation status of New Source Performance Standards and National Emission Standards for Hazardous Air Pollutants in Arizona and California.

Publication Date: 
Wednesday, November 9, 2022 - 4:00am

National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters

This action finalizes amendments to the national emission standards for hazardous air pollutants (NESHAP) at major sources from new and existing industrial, commercial, and institutional (ICI) boilers and process heaters. Certain aspects of these standards were challenged and subsequently remanded to the Agency by the United States Court of Appeals for the District of Columbia Circuit (D.C. Circuit).

Publication Date: 
Thursday, October 6, 2022 - 4:00am

Designation of Perfluorooctanoic Acid (PFOA) and Perfluorooctanesulfonic Acid (PFOS) as CERCLA Hazardous Substances

Under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended (``CERCLA'' or ``Superfund''), the Environmental Protection Agency (EPA or the Agency) is proposing to designate perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), including their salts and structural isomers, as hazardous substances.

Publication Date: 
Tuesday, September 6, 2022 - 4:00am

National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Arkansas

The Arkansas Department of Energy and Environment, Division of Environmental Quality (DEQ) has submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of certain National Emission Standards for Hazardous Air Pollutants (NESHAP) promulgated under the Clean Air Act (CAA), as provided for under the delegation mechanism previously approved by the Environmental Protection Agency (EPA). The EPA is approving DEQ's requested update of its NESHAP delegation.

Publication Date: 
Monday, August 29, 2022 - 4:00am

National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Oklahoma

The Oklahoma Department of Environmental Quality (ODEQ) has submitted updated regulations for receiving delegation and approval of its program for the implementation and enforcement of certain National Emission Standards for Hazardous Air Pollutants (NESHAP) for all sources (both part 70 and non-part 70 sources), as provided for under previously approved delegation mechanisms. The updated state regulations incorporate by reference certain NESHAP promulgated by the Environmental Protection Agency (EPA) at parts 61 and 63, as they existed through June 30, 2019.

Publication Date: 
Thursday, July 21, 2022 - 4:00am

National Emission Standards for Hazardous Air Pollutants: Miscellaneous Coating Manufacturing Technology Review

The U.S. Environmental Protection Agency (EPA) is proposing amendments to the National Emission Standards for Hazardous Air Pollutants for Miscellaneous Coating Manufacturing (MCM NESHAP) facilities, as required by the Clean Air Act (CAA). In order to complete the required technology review that was originally promulgated on August 14, 2020, the EPA is proposing inorganic hazardous air pollutant (HAP) standards for process vessels.

Publication Date: 
Tuesday, June 7, 2022 - 4:00am

National Emission Standards for Hazardous Air Pollutants: General Provisions; Technical Correction

In this action, the U.S. Environmental Protection Agency (EPA) is making technical corrections to the general provisions of the National Emission Standards for Hazardous Air Pollutants (NESHAP). Specifically, on November 19, 2021, EPA finalized changes to the NESHAPs for Refractory Products Manufacturing, Carbon Black Production (major sources), Cyanide Chemicals Manufacturing, and Carbon Black Production Area Sources and, also amended the general provisions.

Publication Date: 
Monday, May 23, 2022 - 4:00am

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