Hazardous substances

Approval of the Clean Air Act, Authority for Hazardous Air Pollutants: Air Emissions Standards for Halogenated Solvent Cleaning Machines; State of Rhode Island Department of Environmental Management

The EPA is granting the Rhode Island Department of Environmental Management (RI DEM) the authority to implement and enforce the amended Rhode Island Code of Regulations, Control of Emissions from Organic Solvent Cleaning (Organic Solvent Cleaning Rule), and the General Definitions Regulation (General Definitions Rule) in place of the National Emission Standard for Halogenated Solvent Cleaning (Halogenated Solvent NESHAP) as a partial rule substitution as it applies to organic solvent cleaning machines in Rhode Island.

Publication Date: 
Friday, September 1, 2023 - 4:00am

Reconsideration of the Dust-Lead Hazard Standards and Dust-Lead Post-Abatement Clearance Levels

Addressing childhood lead exposure is a priority for the Environmental Protection Agency (EPA). This rule addresses health concerns for all affected communities, including children living in communities with environmental justice concerns, who have significantly higher blood lead levels (BLLs) than other children. As part of EPA's efforts to reduce childhood lead exposure, and in accordance with a U.S.

Publication Date: 
Tuesday, August 1, 2023 - 4:00am

National Emission Standards for Hazardous Air Pollutants: Primary Copper Smelting

This action supplements our proposed amendments to the national emission standards for hazardous air pollutants (NESHAP) for the Primary Copper Smelting source category published in the Federal Register on January 11, 2022. In that action, the Environmental Protection Agency (EPA) proposed amendments based on the residual risk and technology review (RTR) for the major source category and the technology review for the area source category.

Publication Date: 
Monday, July 24, 2023 - 4:00am

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

The U.S. Environmental Protection Agency (EPA) is taking final action on the technology review conducted on the Miscellaneous Coating Manufacturing (MCM) source category regulated under the National Emission Standards for Hazardous Air Pollutants (NESHAP). These final amendments include provisions for inorganic hazardous air pollutant (HAP) standards for process vessels.

Publication Date: 
Wednesday, February 22, 2023 - 4:00am

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

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