Toxic Substances

A district court denied in part and dismissed in part environmental groups' motion for summary judgment in a lawsuit concerning the use of seeds treated with pesticides. The groups petitioned EPA…

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 use of…

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 advisory…

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 weedkiller…

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 groups argued…