A district court held that fluoridation of water at 0.7 milligrams per liter (mg/L), the level presently considered “optimal” in the United States, posed an unreasonable risk of reduced IQ in…

The Third Circuit reversed a ruling that held FIFRA did not preempt state-law tort duties to include a cancer warning on a weedkiller label. A landscaper had argued the agrochemicals company that…

A district court granted summary judgment for conservation groups in a challenge to the Animal and Plant Health Inspection Service's (APHIS') recent update to a program concerning the…

The Third Circuit dismissed for lack of jurisdiction a chemical company's petition to review EPA's health advisory for HFPO-DA, a chemical found in drinking water. The company argued the…

The D.C. Circuit vacated a 2022 EPA order requiring chemical manufacturers/processors to test the chronic toxicity of 1,1,2-trichloroethane pursuant to TSCA. A trade organization representing…

The Fourth Circuit affirmed dismissal of a TSCA citizen suit concerning EPA's decision on a petition to require testing for 54 per- and polyfluoroalkyl substances (PFAS). Four citizen groups…

The Fifth Circuit vacated two orders EPA issued under TSCA that prohibited a plastics company from manufacturing or processing long-chain perfluoroalkyls (PFAS) during its fluorination process. In…

The Eleventh Circuit vacated a district court's conclusion that FIFRA expressly preempted a state failure-to-warn claim brought by a Georgia landowner against the manufacturer of the…

A district court vacated three pesticide registrations issued by EPA in 2020 for "over-the-top" application of dicamba products manufactured by agrochemical companies. Environmental…

The Ninth Circuit granted in part and denied in part environmental and public interest groups' petition to review EPA's amended pesticide registrations of streptomycin sulfate for use in…