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Energia e ambiente · 24/08/20231 min di lettura

Availability of Data on Allocations of Cross-State Air Pollution Rule Allowances to Existing Electricity Generating Units

Traduzione automatica locale · Lingua originale della fonte

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Under the Cross-State Air Pollution Rule (CSAPR) trading program regulations, EPA allocates emission allowances to existing electricity generating units (EGUs) as provided in notices of data availability (NODAs). Through this NODA, EPA is providing notice of the availability of data on new or revised default allocations of CSAPR NO X Ozone Season Group 3 allowances to existing units for the 2023-2025 control periods, as well as the data upon which the allocations are based.

Lingua originale della fonte: Federal Register — Environmental Protection AgencyApri il comunicato originale →

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Energia e ambiente · 29/05/2026

Approval and Promulgation of State Air Quality Plans (Negative Declarations) for Designated Facilities and Pollutants; District of Columbia

The Environmental Protection Agency (EPA) is providing notice of and is codifying approval of negative declarations submitted by the District of Columbia Department of Energy and Environment (DCDOEE) on July 19, 2024 and August 28, 2024. The negative declarations submitted by the DCDOEE certify that there are no existing large municipal waste combustors (LMWC), crude oil and natural gas facilities (ONG), or electric utility generating units (EGU) subject to sections 111(d) and 129 of the Clean Air Act (CAA) within the jurisdiction of the District of Columbia.

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Energia e ambiente · 29/05/2026

Air Plan Approval; New York; Athens Generating Plant

The Environmental Protection Agency (EPA) is approving a revision to the State of New York's State Implementation Plan (SIP) for the ozone National Ambient Air Quality Standard (NAAQS) related to a Source-specific SIP (SSSIP) revision for the Athens Generating Plant, located at 9300 US Route 9 West, Athens, NY 12015 (Athens or the Facility). In accordance with the requirements for implementation of the 2008 and 2015 ozone NAAQS, the EPA finds that the control options in New York's SSSIP revision implement Reasonably Available Control Technology (RACT) with respect to Oxides of Nitrogen (NO X ) emissions from the relevant Facility sources, which are identified as three combined-cycle Westinghouse model 501G combustion turbines with associated heat recovery steam generators and steam turbines (identified as Emission Units U-00001, U-00002, and U-00003 in the Facility's Title V permit and New York's submission). This action is being taken in accordance with the requirements of the Clean Air Act (CAA).

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Energia e ambiente · 28/05/2026

Hazardous and Solid Waste Management System: Disposal of Coal Combustion Residuals From Electric Utilities; Federal CCR Permit Program; Reopening of Comment Period

The Environmental Protection Agency (EPA) issued a proposed rule on February 20, 2020, to establish a Federal permit program for disposal of coal combustion residuals (CCR). The EPA is reopening the comment period on that proposed rule and requesting comment on several issues in particular.

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Energia e ambiente · 26/05/2026

Phasedown of Hydrofluorocarbons: Excluding Road and Intermodal Container Transport Refrigeration Units From the Hydrofluorocarbon Leak Repair Requirements

The U.S. Environmental Protection Agency (EPA) is proposing an exemption for road and intermodal container transport refrigeration units (TRUs) from the leak repair requirements established under the American Innovation and Manufacturing (AIM) Act. In the final rule "Phasedown of Hydrofluorocarbons: Management of Certain Hydrofluorocarbons and Substitutes Under the American Innovation and Manufacturing Act of 2020," the EPA established, among other provisions, leak repair requirements for refrigerant-containing appliances with a charge size of 15 pounds or more that contain a hydrofluorocarbon (HFC) or certain substitutes for HFCs. The EPA intended to exempt refrigerant-containing road and intermodal container TRUs from the leak repair requirements and is issuing this proposal to clarify the applicability of these requirements. The EPA is not proposing other amendments or taking comment on any other aspects of the 2024 "Phasedown of Hydrofluorocarbons: Management of Certain Hydrofluorocarbons and Substitutes Under the American Innovation and Manufacturing Act of 2020."

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Energia e ambiente · 29/05/2026

Regolamenti significativi per l'uso nuovo di sostanze chimiche (25-2.5e)

L'EPA sta emettendo regolamenti significativi per l'uso nuovo (SNUR) sotto il Toxic Substances Control Act (TSCA) per determinate sostanze chimiche che sono state oggetto di notifiche di pre-manufacture (PMN) e sono anche soggette a un ordine emesso dall'EPA in base al TSCA. I SNUR richiedono che le persone notifichino l'EPA almeno 90 giorni prima di iniziare la produzione (definita dalla legge a includere l'importazione) o il trattamento di qualsiasi di queste sostanze chimiche per un'attività che è stata designata come un nuovo uso significativo nei SNUR. La notifica richiesta inizia l'indagine dell'EPA sulle condizioni di quell'uso per quella sostanza chimica. Inoltre, la produzione o il trattamento per l'uso nuovo significativo non può iniziare fino a quando l'EPA non ha condotto un'indagine sulla notifica richiesta; ha fatto una determinazione appropriata su quella notifica; e ha preso le azioni richieste dalla determinazione.

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