A Fifth Circuit ruling vacating EPA’s 2024 methylene chloride rule underscores a broader principle: identifying a chemical hazard is only the first step. How a chemical is used, who is exposed, and whether controls are effective determine actual risk.
Toxicology | Regulatory Insight Read-across has evolved from a data-gap-filling exercise into the framework that integrates NAMs, exposure science, and toxicokinetics to support modern risk assessment decisions. For years, read-across,…
A coalition of 75 organizations has urged EPA, OSHA, and OMB to establish a single federal framework for worker chemical safety under TSCA Section 9. RHP examines what effective coordination should look like — and why the draft oDCB/pDCB risk evaluations make it urgent.
A recent federal court decision could mark the most significant development in U.S. environmental noise policy in decades. On July 16, 2026, in Quiet Communities, Inc. et al. v. U.S….
As wildfire smoke from Canada drifted across northern Illinois today, air quality conditions deteriorated rapidly throughout the Chicago metropolitan area. Public monitoring stations reported Air Quality Index (AQI) levels reaching…
