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Energia e ambiente · 18/02/19941 min de leitura

Hazardous Waste Management System: Identification and Listing of Hazardous Waste; Treatability Studies Sample Exclusion

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Resumo

On July 7, 1993, the Environmental Protection Agency (EPA) proposed revisions to the Treatability Studies Sample Exemption Rule. The rule conditionally exempts small scale treatability studies from Subtitle C regulation. EPA is today issuing a final rule. The principal change to the existing rule is to increase the quantity of contaminated media which are conditionally exempt from Subtitle C regulation when used in conducting treatability studies.

Idioma original da fonte: Federal Register — Environmental Protection AgencyAbrir o comunicado original →

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Energia e ambiente · 29/05/2026

Air Plan Approval; Indiana; Keystone VOC RACT Alternative Control

The Environmental Protection Agency (EPA) is approving revisions to the volatile organic compound (VOC) requirements for Keystone Automotives Industries dba Saturn Wheel (Keystone) of Huntington County, Indiana. Keystone owns and operates an aluminum alloy wheel refurbishing and distribution facility at which it performs cold cleaner degreasing operations and is subject to the VOC rules under article 8 of the Indiana Administrative Code (IAC). On February 26, 2025, the Indiana Department of Environmental Management (IDEM) submitted a Commissioner's Order containing the revised requirements and requested that the EPA approved it as an amendment to the Indiana State Implementation Plan (SIP). IDEM is seeking the EPA approval of an equivalent control device and site specific Reasonably Available Control Technology (RACT) for Keystone's degreasing operations, as provided in IAC article 8. The EPA proposed to approve this action on February 27, 2026, and received no adverse comments.

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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

Air Plan Approval; California; San Joaquin Valley Unified Air Pollution Control District; Ventura County Air Pollution Control District; South Coast Air Quality Management District; Oil and Gas Production; Volatile Organic Compounds

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the San Joaquin Valley Unified Air Pollution Control District (SJVUAPCD), Ventura County Air Pollution Control District (VCAPCD), and South Coast Air Quality Management District (SCAQMD) portions of the California State Implementation Plan (SIP). These revisions concern emissions of volatile organic compounds (VOCs) from crude oil and natural gas production facilities. We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or "Act").

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Energia e ambiente · 28/05/2026

Air Plan Approval; SC; Department Name Change

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of South Carolina on July 23, 2025. The proposed revision updates all references to reflect the restructuring of South Carolina Department of Health and Environmental Control (DHEC) to the South Carolina Department of Public Health and the South Carolina Department of Environmental Services (DES).

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Energia e ambiente · 28/05/2026

Air Plan Approval; Ohio; Removal of Air Nuisance Rule

The Environmental Protection Agency (EPA) is proposing to act in accordance with Ohio EPA's November 14, 2025, request to remove the air pollution nuisance rule (ANR) from the Ohio State Implementation Plan (SIP). The EPA is proposing to find that the Ohio SIP contains adequate control requirements and enforcement measures to maintain air quality in the State without the ANR. This proposed action will not interfere with the National Ambient Air Quality Standards (NAAQS) and meets all applicable requirements under the Clean Air Act (CAA).

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