EPA recently redesignated the Northern Wasatch Front and the Uinta Basin ozone nonattainment areas based on data demonstrating that the areas failed to meet the 2015 ozone National Ambient Air Quality Standard (NAAQS) by...more
The Arkansas Department of Energy and Environment – Division of Environmental Quality (“DEQ”) submitted on July 1st to the United States Environmental Protection Agency (“EPA”) a document titled: Arkansas Ambient Air...more
The Clean Air Act (“CAA”) envisions states and the federal government working together to improve air quality. Under the CAA, states must develop State Implementation Plans (“SIPs”) to implement National Ambient Air Quality...more
The United States House of Representatives passed by partisan vote legislation denominated H.R. 7650 that would amend the Clean Air Act titled: “Air Quality Standards Implementation Act of 2024” (“Act”). The Act...more
On March 6, 2024, the United States Environmental Protection Agency (EPA) published in the Federal Register its long-awaited reconsideration of the National Ambient Air Quality Standard (NAAQS) for particulate matter (PM). In...more
The United States Environmental Protection Agency (“EPA”) announced today a final rule which will tighten the National Ambient Air Quality Standards (“NAAQS”) for fine particulate matter. EPA previously: - Stated on June 10,...more
The Environmental Protection Agency, under the Clean Air Act, requires states to work with the EPA to address the interstate transport of air pollution. Under the “Good Neighbor Plan,” the EPA requires each state to implement...more
The United States Chamber of Commerce (“Chamber”) issued a November 2023 report titled: EPA’s Proposed Air Quality Standards Will Cause Permitting Gridlock Across Our Economy (“Report”)...more
Seventy trade groups sent an October 31st letter to Mr. Jeffrey Zients who serves as Chief of Staff in the White House addressing the Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for fine particulate matter...more
The Tenth Circuit United States Court of Appeals (“Court”) addressed in a September 18th Opinion a petition filed by the Center for Biological Diversity (“Center”) alleging that the U.S. Environmental Protection Agency...more
The United States Environmental Protection Agency (“EPA”) published a July 21st Federal Register Notice proposing to approve two revisions to the Clean Air Act Arkansas State Implementation Plan (“SIP”). See 88 Fed. Reg....more
The United States Senate Environment & Public Works Committee (“Committee”) held a March 29th hearing titled: The EPA Good Neighbor Rule: Healthier Air for Downwind States (“Hearing”)...more
On February 10, 2023, the Sixth Circuit issued an opinion in Sierra Club, et al. v. U.S. EPA, et al., (Case No. 21-3057). The case involved a petition for review filed by the Sierra Club, the Ohio Environmental Council, and...more
In early January, the U.S. Environmental Protection Agency announced a proposal to revise and strengthen a key national ambient air quality standard (NAAQS) for fine particle pollution, also known as PM2.5. The Clean Air Act...more
The Sierra Club sent a Notice of Intent to file suit to the United States Environmental Protection Agency (“EPA”) for failure to undertake a nondiscretionary duty under the Clean Air Act....more
A group of state and territorial attorneys general sent a July 28th letter to United States Environmental Protection Agency (“EPA”) Administrator Michael Regan asking that a Clean Air Act National Ambient Air Quality Standard...more
The Arkansas Department of Energy & Environment - Division of Environmental Quality (“DEQ”) submitted on June 21st comprehensive comments on the United States Environmental Protection Agency (“EPA”) proposed rule: ...more
Earthjustice on behalf of several other environmental organizations filed a Complaint for Declaratory and Injunctive Relief (“Complaint”) on June 7th against the United States Environmental Protection Agency (“EPA”) for an...more
The Arkansas Environmental Federation (“AEF”) submitted comments on April 25th to the United States Environmental Protection Agency (“EPA”) on a proposed rule disapproving an Arkansas state implementation plan (“SIP”). ...more
The United States Environmental Protection Agency (“EPA”) issued on September 30th a memorandum (“2021 Memorandum”) titled: Withdrawal of the October 9, 2020, Memorandum Addressing Startup, Shutdown, and Malfunctions in...more
The Sierra Club, Environmental Integrity Project, and Natural Resources Defense Council (collectively “Sierra Club”) filed a September 9th citizen suit Complaint for Injunctive and Declaratory Relief (“Complaint”) against the...more
The United States Environmental Protection Agency (“EPA”) issued a February 12th Federal Register Notice approving elements of the State of Arkansas’s State Implementation Plan (“SIP”) for the 2000 Ozone (O3) National Ambient...more
The United States Environmental Protection Agency (“EPA”) announced it is finalizing a rule to retain the current Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for particulate matter (“PM”). The PM standard...more
The United States Environmental Protection Agency (EPA) is proposing to approve portions of Arkansas’ state implementation plan (SIP) addressing the 2015 ozone National Ambient Air Quality Standards (NAAQS). The SIP...more
The Sierra Club and two other environmental organizations (collectively “Sierra Club”) sent a May 28th Clean Air Act Notice of Intent to Sue (“Notice”) to United States Environmental Protection Agency (“EPA”) Administrator...more