2025 Clean Air Act Toxic Substances Control Act 
PA Environment Daily
MARCH 13, 2025
Although we have made incredible gains due to the Clean Air Act and the vital work of the EPA, the American Lung Association finds that nearly 40% of Americans, representing 131.2 million people, still live in areas with unhealthy air.
Union of Concerned Scientists
MARCH 26, 2025
laws, including: the Clean Air Act; the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) also known as Superfund; the Clean Water Act; the Resource Conservation and Recovery Act (RCRA); the Toxic Substances Control Act (TSCA); and the Safe Water Drinking Act.
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Arnold Porter
AUGUST 26, 2021
Our primary focus continues to be on chemical substances which are the subject of regulatory activity or scrutiny by various government agencies and potential litigants. It will be the first time a substance has been added to the list since the 1990 Clean Air Act Amendments established the initial list in 1990.
Arnold Porter
JUNE 2, 2021
EPA reissued the proposed UCMR 5 on February 22, which was first issued during the Trump Administration and requires sample collection for 29 PFAS between 2023 and 2025. Biden Backed Congressional Action to Designate PFAS as Hazardous Substances. Not Just the Federal Government—States Continue to Take on PFAS.
Union of Concerned Scientists
MARCH 6, 2025
Project 2025 , the blueprint organized by the Heritage Foundation to guide this White House, calls for an update to the endangerment finding. Many other states in recent years have decided they would follow Californias standards, as they are allowed to under the Clean Air Act.
Arnold Porter
JUNE 2, 2021
Our primary focus continues to be on chemical substances which are the subject of regulatory activity or scrutiny by various government agencies and potential litigants. 19, 2021); OTNE Consortium, Request for Risk Evaluation under the Toxic Substances Control Act; Octahydro-Tetramethyl-Naphthalenyl-Ethanone Chemical Category (Nov.
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