Scalable RP staffing and solutions that improve
safety, performance, and outage efficiency
Day & Zimmermann delivers radiological protection (RP) services that help nuclear facilities operate safely, efficiently, and in full regulatory compliance. We support utilities across the United States with experienced, qualified RP technicians, ALARA specialists, and health physics and decontamination professionals ready to perform in support of outages or to meet long-term needs.
D&Z is one of the leading providers
of RP services in the U.S. commercial nuclear power industry. We deliver a comprehensive array of health physics, decontamination, and radiological support technicians. We help execute our customers’ scopes on time and within budget by leveraging our national footprint and processes to attract and retain the most knowledgeable staff and skilled technicians in the industry. D&Z RP Services has a proven record of performance excellence, an engaged and responsive management team, high-quality resources, and innovative cost savings methods.
With a multi-state footprint and centralized resource planning, we scale quickly to meet demand — helping you reduce schedule risk, control costs, and maintain consistent radiological protection performance across multiple sites.
Our team brings deep expertise across:
Radiation protection and ALARA programs
Decontamination and contamination control
Outage support and long-term staffing
Health physics and program oversight
Our technicians arrive fully prepared, with required training completed before they reach your site. This reduces onboarding time, accelerates productivity, and helps lower overall costs.
We invest in structured development programs and field observation processes that strengthen technician performance, reinforce RP fundamentals, and build the next generation of senior-level professionals.
Our international partnerships give you access to additional qualified RP professionals, providing flexibility and surge capacity during peak outage seasons.
Day & Zimmermann supports major nuclear utilities nationwide, delivering reliable radiological protection services and program support for both outages and long-term needs.
We provide end-to-end RP support, including: