Microplastics: ARPA-H’s New $144M STOMP Program
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…
OSHA Updates National Emphasis Program on Heat Hazards: What Employers Need to Know
As temperatures rise across many regions of the United States, occupational heat exposure continues to present serious risks to worker health and safety. On April 10, 2026, the Occupational Safety…
RHP’s Allison Persing, CIH, CSP to Speak at the Perrin Conferences Artificial Stone Silicosis Litigation Conference
RHP Risk Management’s Allison Persing, CIH, CSP is scheduled to join a panel at the Perrin Conferences Artificial Stone Silicosis Litigation Conference on Tuesday, April 28, 2026. The conference is attended…
Cal/OSHA Advises Employers to Protect Workers from Wildfire Smoke
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…
Early-Season Heat Wave Prompts Urgent Worker Safety Measures in California
An early-season heat wave is impacting California this week, bringing unusually high, summer-like temperatures well above typical March averages. In response, Cal/OSHA is urging employers to take proactive steps to…
RHP Risk Management Presenting at the 2026 Society of Toxicology (SOT) Annual Meeting
RHP Risk Management is pleased to announce that members of our Human Health Risk Sciences team, Debra Kaden, PhD, ATS; Ashish Jachak, PhD, MBA; and Melanie Buser, PhD, DABT,…
RHP Scientists Present New Findings on Microplastics Exposure and Human Health
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) Proposition 65 Compliance: RHP Risk Management derives candidate No Significant Risk Levels (NSRLs) for inhalation and oral exposure
Vinyl acetate monomer (VAM) is a synthetic chemical building block used in the production of copolymers such as adhesives, sealants, coatings, and surface treatments. The Office of Environmental Health Hazard Assessment (OEHHA)…
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…