Particle Deposition of Airborne Microplastic Fibers in the Human Lung: A Modeling Framework Linking Fiber Size, Shape, Orientation, and Polymer Type to Regional Lung Deposition
Particle Deposition of Airborne Microplastic Fibers in the Human Lung: A modeling framework linking fiber size, shape, orientation, and polymer type to regional lung deposition Journal of Environmental Exposure Assessment…
Prioritizing Dermal Absorption Models to Improve Chemical Exposure Predictions
Prioritization scheme for quantitative structure-permeability relationship (QSPR) models to predict dermal absorption of chemicals Journal of Environmental Exposure Assessment (2026) DOI:10.20517/jeea.2025.42 Authors: Ashish C. Jachak, PhD, MBA Benjamin…
OSHA’s 2025 Top 10 Workplace Citations: A Reminder of Employers’ Duty to Protect Workers
Every employer, regardless of size or industry, has a fundamental responsibility to maintain a safe and healthy workplace. Doing so requires implementing effective programs and systems to identify, control,…
Vinyl Acetate (VAM) Proposition 65 Compliance: What Businesses Need to Know Before 2026
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…
OEHHA Establishes NSRLs for Respirable TiO₂ – What Does It Mean for Consumer Product Makers?
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…
RHP Welcomes Epidemiologist Melanie Buser, MPH
RHP Risk Management Inc. is pleased to welcome Environmental Epidemiologist Melanie Buser, MPH to add to the firm’s existing capabilities in exposure science and toxicology. CHICAGO, IL, UNITED STATES, October…
Legionnaires’ Disease: Key Prevention Strategies for Building Owners and Facility Managers
New York City health officials reported a growing cluster of Legionnaires’ disease cases in the Harlem area, resulting in multiple hospitalizations and deaths. The outbreak was traced to contaminated building water…
RHP Risk Management’s Jacob Persky to Present Groundbreaking Work on Sunscreen Inhalation Safety at ISES 2025
Key Takeaways: Jacob Persky of RHP Risk Management presented on RHP Risk Management’s groundbreaking research on sunscreen inhalation safety at the 2025 ISES Annual Conference, focusing on mineral actives in…
Hands-On Learning in Industrial Hygiene: My Internship at RHP Risk Management
Hello everyone! I’m Celeste, RHP Risk Management’s environmental health sciences intern for the summer of 2025. As part of this internship, I joined Allison, Betty, Kiana, Rod, and Frank in…
Understanding Hazard vs. Risk: Insights from Lead Safe Mama’s Toothpaste Testing
Understanding the distinction between hazard and risk is essential for making informed, rational decisions—and for avoiding unnecessary alarm or misinterpretation, especially when evaluating common consumer products found in our homes….