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🌎EPA Approves Air Quality Revisions in Maricopa County, Arizona

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Maricopa County Air Quality Department (MCAQD or "County") portions of the Arizona State Implementation Plan (SIP). These revisions concern the County's reasonably available control technology (RACT) demonstration for the aerospace coating category and negative declarations for the 2008 8- hour ozone National Ambient Air Quality Standards (NAAQS or "standards") in the portion of the Phoenix-Mesa ozone nonattainment area regulated by the MCAQD, as well as a rule covering emissions of volatile organic compounds (VOCs) from surface coatings and industrial adhesives. We are also approving a local rule that regulates these emission sources under the Clean Air Act (CAA or "the Act").

🌍EPA Finalizes New Greenhouse Gas Emission Standards for Power Plants

The U.S. Environmental Protection Agency (EPA) is providing notice that it has responded to two petitions for reconsideration of the final action titled, "New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units; Emission Guidelines for Greenhouse Gas Emissions From Existing Fossil Fuel-Fired Electric Generating Units; and Repeal of the Affordable Clean Energy Rule", published in the Federal Register on May 9, 2024. The Administrator has denied or partially denied the requests for reconsideration in separate letters to the petitioners. The basis for the EPA's action is set out fully in the accompanying decision document, available in the rulemaking docket. At this time, the EPA is not addressing other grounds for reconsideration that have been raised by these or other petitioners.

💧EPA Draft Water Quality Criteria Correction for PFAS Substances

The Environmental Protection Agency (EPA) is making a correction to a notice that appeared in the Federal Register on December 26, 2024. The notice of availability contained an incorrect value in Table 1, which is corrected below.

🌍Kansas EPA Proposes New Emission Fees and Compliance Rules

The Environmental Protection Agency (EPA) is proposing to approve revisions to the State Implementation Plan (SIP) and Operating Permits Program and the 112(l)plan submitted by the State of Kansas on February 20, 2023. The revised Kansas rules update the Class I emission fee and emissions inventory regulations, establish a Class II fee schedule and ensure that Kansas's Operating Permits Program is adequately funded. Approval of these revisions ensures consistency between the State and federally-approved rules and does not impact air quality.

🐟Designation of Critical Habitat for Bay-Delta Longfin Smelt

We, the U.S. Fish and Wildlife Service (Service), propose to designate critical habitat for the San Francisco Bay-Delta distinct population segment (DPS) of the longfin smelt (Spirinchus thaleichthys), a fish species from the San Francisco Bay estuary in California, under the Endangered Species Act of 1973, as amended (Act). In total, approximately 91,630 acres (37,082 hectares) in California fall within the boundaries of the proposed critical habitat designation. We also announce the availability of an economic analysis of the proposed designation of critical habitat for the species.

🐸Critical Habitat Designation for Foothill Yellow-Legged Frog in California

We, the U.S. Fish and Wildlife Service (Service), propose to designate critical habitat for four distinct population segments (DPSs) of the foothill yellow-legged frog (Rana boylii) under the Endangered Species Act of 1973, as amended (Act). In total, approximately 760,071 acres (307,590 hectares) in California fall within the boundaries of the proposed critical habitat designation. We also announce the availability of an economic analysis of the proposed designation of critical habitat for four DPSs.

⚖️EPA Proposes Regulation for C.I. Pigment

The Environmental Protection Agency (EPA or Agency) is proposing to address the unreasonable risk of injury to human health presented by C.I. Pigment Violet 29 (CASRN 81-33-4, also known as PV29), under its conditions of use as documented in EPA's January 2021 Risk Evaluation for PV29 and the September 2022 Revised Risk Determination for PV29 prepared under TSCA. TSCA requires that EPA address by rule any unreasonable risk of injury to health or the environment identified in a TSCA risk evaluation and apply requirements to the extent necessary so the chemical no longer presents unreasonable risk. To address the identified unreasonable risk, EPA is proposing requirements to protect workers from the unreasonable risk of PV29 during manufacturing and processing, certain industrial and commercial uses of the chemical, and disposal, while also allowing for a reasonable transition period prior to enforcement of said requirements.

🐻‍❄️Proposed Authorization for Polar Bear Incidental Harassment in Alaska

We, the U.S. Fish and Wildlife Service, in response to a request under the Marine Mammal Protection Act from the Bureau of Land Management, propose to authorize nonlethal incidental take by harassment of small numbers of Southern Beaufort Sea (SBS) polar bears (Ursus maritimus) for 1 year from the date of issuance of the incidental harassment authorization (IHA). The applicant requested this authorization for take by harassment that may result from activities associated with oil well plugging and reclamation, soil sampling, snow trail, pad, and airstrip construction, and summer cleanup activities in the North Slope Borough of Alaska between Wainwright and Oliktok. This proposed authorization, if finalized, will be for up to 12 takes of polar bears by Level B harassment. No Level A harassment or lethal take is requested, expected, or proposed to be authorized. We invite comments on the proposed IHA, the application package, draft environmental assessment, and related documents from the public and local, State, Tribal, and Federal agencies.

🌍EPA Withdraws Rule on Excess Emissions Compliance Requirements

Due to the receipt of adverse comment, the Environmental Protection Agency (EPA) is withdrawing the November 26, 2024, direct final rule to partially withdraw two final actions finding that 13 States and/or local air pollution control agencies failed to submit State Implementation Plan (SIP) revisions required by the Clean Air Act (CAA) in a timely manner to address the EPA's 2015 findings of substantial inadequacy and "SIP calls" for provisions applying to excess emissions during periods of startup, shutdown, and malfunction (SSM). The EPA will address all comments received in a subsequent final rule for which the EPA will not institute a second comment period.

🌍Environmental Impact Statements Availability and Business Compliance Notice