Expert Radiation Safety & Scientific Consulting
Protecting people and the environment at America's most critical facilities — since 1988.

Since 1988
Trusted Expertise
Who We Are
Dedicated to Protecting People and the Environment
MH Chew Associates is a leading provider of technical and scientific expertise in radiation safety, nuclear criticality safety, regulatory compliance, radiation shielding, and transport modeling. Founded in 1988, we serve federal, state, and private sector clients across the energy, defense, and environmental sectors.
37+
Years of Expertise
6
Core Disciplines
100+
Projects Delivered
“We go where the work is hardest — and we've been doing it for over three decades.”
Our Services
Comprehensive Radiation Safety Solutions
From health physics consulting to regulatory compliance, we provide the expertise you need to maintain safe, compliant operations.
Why Choose Us
The MH Chew Advantage
Decades of expertise, trusted partnerships, and unwavering commitment to safety.
38+
Years of Proven Expertise
Extensive experience in radiation safety and regulatory compliance, serving the nation's most critical facilities since 1988.
Industry-Leading Team
Certified Health Physicists, Industrial Hygienists, engineers, and scientists with active DOE Q clearances.
Advanced Modeling & Analysis
State-of-the-art tools including MCNP and Attila for rapid, high-fidelity analysis.
Diverse Client Base
Trusted by DOE National Laboratories, NIOSH, CDC, defense, and private industry.
Tailored Solutions
Cost-effective, innovative, and customized approaches to meet each client's unique needs.
Trusted By
Our Clients
We're proud to serve leading government agencies and national laboratories.
























Have a radiation safety challenge? Let's solve it.
Our team brings decades of hands-on experience to every project. Tell us what you need.