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能源与环境 · 1994/10/41 分钟阅读

Approval and Promulgation of Air Quality Implementation Plans; Louisiana; Alternative Emission Control Plan for Dow Chemical, U.S.A., Louisiana Division, Plaquemine, LA

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摘要

The EPA is announcing final approval of the alternative emission reduction (bubble) plan for the Dow Chemical Plaquemine facility as a revision to the Louisiana State Implementation Plan (SIP). The bubble plan uses the emissions reduction credit (ERC) from a process modification at the Glycol II expander unit in lieu of controlling emissions from four volatile organic compounds (VOC) storage tanks. The bubble plan was reviewed for consistency with the final Emissions Trading Policy Statement (ETPS) published by the EPA in the Federal Register on December 4, 1986. The ERC is determined to be valid for emissions trading.

来源原始语言: Federal Register — Environmental Protection Agency打开原始公告 →

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能源与环境 · 2026/5/28

Approval of Source-Specific Air Quality Implementation Plan; New York; Big Six Towers Inc.

The Environmental Protection Agency (EPA) is proposing to determine 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 Big Six Towers Inc. (the Big Six), located at 59-55 47th Ave. Woodside, NY 11377 (the Facility), is approvable. The EPA is proposing to find that the control options in this 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 oil-fired engines. This SSSIP revision is intended to implement NO X RACT for the relevant Facility sources in accordance with the requirements for implementation of the 2008 and 2015 ozone NAAQS. The EPA proposes to determine that this rulemaking will not interfere with ozone NAAQS requirements and meets all applicable requirements of the Clean Air Act (CAA).

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能源与环境 · 2026/5/22

Significant New Use Rules on Certain Chemical Substances (25-1.5e)

EPA is issuing significant new use rules (SNURs) under the Toxic Substances Control Act (TSCA) for certain chemical substances that were the subject of premanufacture notices (PMNs) and are also subject to an Order issued by EPA pursuant to TSCA. The SNURs require persons to notify EPA at least 90 days before commencing the manufacture (defined by statute to include import) or processing of any of these chemical substances for an activity that is designated as a significant new use in the SNUR. The required notification initiates EPA's evaluation of the conditions of that use for that chemical substance. In addition, the manufacture or processing for the significant new use may not commence until EPA has conducted a review of the required notification; made an appropriate determination regarding that notification; and taken such actions as required by that determination.

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能源与环境 · 2026/5/26

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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