EPA’s IRIS Program Closure Signals a Major Shift in Chemical Risk Assessment The U.S. Environmental Protection Agency’s (EPA) decision to dismantle its Integrated Risk Information System (IRIS) program marks one…
In Southern California, early April marked the start of wildfire season with two significant blazes: the Springs Fire in Riverside County and the smaller but still destructive Crown Fire…
RHP Risk Management’s Ashish Jachak, PhD, MBA presented on RHP scientists’ latest advances in microplastics research at the 2026 Microplastics and Nanoplastics Exposure and Human Health Conference in Santa Fe,…
Vinyl acetate (VAM; CAS 108-05-4) is a synthetic chemical compound, produced industrially by reacting ethylene with oxygen and acetic acid in the presence of a catalyst. During production, inhibitors are added…
Key Takeaways: Effective October 1, 2025, California’s OEHHA establishes No Significant Risk Levels (NSRLs) for airborne, unbound, respirable titanium dioxide (TiO₂) particles, impacting manufacturers and users of TiO₂-containing products. RHP…
