Rigorous Radiation Safety Engineering & Scientific Consulting
Deep subject matter expertise, advanced modeling, and innovative solutions for the nation's most demanding programs — since 1988.
Since 1988
Trusted Expertise
Who We Are
Dedicated to Protecting People and the Environment
MH Chew Associates delivers rigorous radiation safety engineering, nuclear criticality analysis, and scientific consulting to the nation's most demanding programs — bringing deep subject matter expertise, advanced modeling, and innovative solutions to every engagement.
37+
Years of Expertise
6
Core Disciplines
100+
Projects Delivered
“To become the nation's foremost full-scope nuclear safety engineering practice — where world-class subject matter experts, state-of-the-art analytical tools, and regulatory mastery converge to solve what others cannot.”
Our Services
Comprehensive Radiation Safety Solutions
From health physics consulting to regulatory compliance, we provide the expertise you need to maintain safe, compliant operations.
Our Values
What Drives Us
Six core principles that guide every engagement.
Scientific Rigor
Our analysis is only as valuable as it is accurate. We apply disciplined scientific methodology — validated models, peer-reviewed approaches, and documented assumptions — because in nuclear safety, precision is not optional.
Regulatory Mastery
We navigate DOE orders, NRC regulations, and site-specific requirements with authority — not just familiarity. Compliance that is defensible, durable, and grounded in deep understanding of regulatory intent.
Analytical Innovation
State-of-the-art tools like MCNP and Attila are only as powerful as the minds behind them. We push the boundaries of what's analytically possible — delivering faster, higher-fidelity results.
Subject Matter Authority
Our Certified Health Physicists, engineers, and scientists do not generalize — they specialize. Decades of focused experience across radiation protection, criticality safety, and D&D programs.
Tailored Solutions
No two client challenges are identical. We bring creative, cost-effective thinking to every scope — designing solutions that fit the problem, not the template.
38+ Years of Excellence
Serving the nation's most critical facilities since 1988 with unwavering commitment to safety and technical excellence.
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.