Tag: HHRS

Canadian Wildfire Smoke in Chicagoland: A Visual Analysis of Indoor and Outdoor Particle Levels

Jon Redmond /July 16, 2026

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…

New Approach Methodologies (NAMs) and the Future of Toxicology: Why Industry Should Be Paying Attention

Jon Redmond /June 10, 2026

For decades, toxicology has relied heavily on animal testing to evaluate chemical safety and support regulatory decision-making. In recent years, increasing attention has been given to a broad range of…

US Environmental Protection Agency Closes Down Integrated Risk Information System

Jon Redmond /May 15, 2026

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…

RHP Risk Management Inc. Receives A2LA Accreditation

Jon Redmond /May 13, 2026

RHP Risk Management Inc. is proud to announce that our Exposure Sciences Laboratory has achieved accreditation from the American Association for Laboratory Accreditation (A2LA). This milestone reflects our continued commitment to…

Microplastics: ARPA-H’s New $144M STOMP Program

Jon Redmond /May 8, 2026

Microplastics are quickly becoming one of the most closely watched environmental and public health topics worldwide, drawing increasing attention as researchers study their presence in air, water, food, and consumer…