Update (February 2026): Lindquist Machine Company has achieved NQA-1 compliance. Read the current announcement and details on NQA-1 compliant build to print manufacturing here → NQA-1 Compliant Build to Print Manufacturing for Nuclear and DOE Programs
This article provides background on LMC’s preparation for NQA-1 compliance prior to formal confirmation. For manufacturers evaluating regulated nuclear work, understanding the NQA-1 framework and its relationship to federal quality requirements provides context for the controls required in Department of Energy and nuclear programs. For current information on LMC’s NQA-1 compliant capabilities, see the announcement linked above.
What is NQA-1 Compliance?
The American Society of Mechanical Engineers (ASME) NQA-1 standard, titled “Quality Assurance Requirements for Nuclear Facility Applications,” is the national consensus standard for quality assurance in the nuclear industry. It is not simply a set of suggestions but a comprehensive framework of requirements designed to govern the quality assurance programs for nuclear facilities.
This standard reflects the nuclear industry’s deep-seated understanding of the quality assurance necessary for the safe and reliable use of nuclear energy and the management of radioactive materials. Its scope is extensive and covers activities from the siting and design of a nuclear facility through its construction, operation and eventual decommissioning. The objective is clear: to achieve safe, reliable and efficient utilization of nuclear energy.
For organizations like ours, NQA-1 compliance means we have established and effectively implemented a nuclear quality program that is subject to rigorous external audit. This program provides the special controls, processes and verification activities necessary to attain the required quality for items and activities that are essential to nuclear safety.
The 18-Point Framework of Control
The structure of NQA-1 is often understood through its relationship to federal regulations, particularly 10 CFR 50 Appendix B, which outlines 18 mandatory criteria for quality assurance. The NQA-1 standard builds upon this foundation, defining specific expectations for each of these criteria.
The 18 points provide a complete picture of the areas controlled by a compliant quality system:
- Quality Assurance Program
- Organization
- Design Control
- Procurement Document Control
- Document Control
- Instructions, Procedures and Drawings
- Identification and Control of Materials, Parts and Components
- Inspection
- Control of Purchased Material, Equipment and Services
- Control of Measuring and Test Equipment
- Test Control
- Control of Special Processes
- Handling, Storage and Shipping
- Inspection, Test and Operating Status
- Nonconforming Materials, Parts or Components
- Corrective Action
- Quality Assurance Records
- Audits
The Lindquist Machine Co. Approach to Nuclear Projects
Our foray into nuclear energy was a strategic decision to engage in work that serves a larger national purpose, not solely driven by U.S. economic conditions. This path required more than just technical skill. It demanded a cultural shift toward absolute procedural discipline.
We learned that everything on a nuclear project is serially numbered and tagged so it cannot be mixed with anything else, as full traceability is non-negotiable. The financial and safety repercussions of a failure that can be traced back to a manufacturing origin are significant, which is why the NQA-1 framework exists. For us, this means dedicated equipment, segregated processes and an unwavering focus on documentation that tells the complete story of every part we produce.
The Projects Relying on NQA-1 Compliance
The application of NQA-1 compliance stretches across a wide and growing spectrum of vital American infrastructure and security projects.
- Nuclear Power Generation: This includes not only the existing fleet of large nuclear power plants but also the next generation of nuclear technology, such as small modular reactors (SMRs) and advanced reactors. As the U.S. explores options to meet rising electricity demand without carbon emissions, these new reactor designs represent a frontier for American manufacturing.
- National Defense and Security: The Department of Energy’s National Nuclear Security Administration (NNSA) relies on NQA-1 compliant suppliers for missions related to national security. This work can include the management and maintenance of the nation’s nuclear deterrent and other defense applications that require the unique controls of the nuclear quality standard.
- Nuclear Fuel Cycle and Waste Management: The safe handling, storage and transportation of radioactive materials and high-level waste are integral parts of the nuclear lifecycle. NQA-1 provides the quality assurance requirements for the containers, systems and facilities that perform these functions, ensuring the secure custodianship of these materials.
- Research and Development: From national laboratories like Sandia National Laboratories to university research reactors like the one at Penn State, groundbreaking nuclear research depends on equipment and components manufactured under NQA-1. These facilities are at the front of developing new technologies, from improved materials to next-generation fusion energy.
A Partnership Built on Quality and Discipline
Navigating the requirements of NQA-1 compliance is a substantial undertaking, but it is the price of admission for work that matters. At Lindquist Machine Co., we have come to see this not as a burden, but as a differentiator. It represents a promise to our clients in the Department of Energy and the nuclear industry that we speak their language, understand their pressures and share their dedication to safety and quality.
Our experience has shown that this disciplined approach results in better outcomes for all our projects, nuclear or otherwise. The clarity, traceability and procedural rigor required by NQA-1 create a manufacturing environment where problems are anticipated, processes are controlled and quality is built into every step. In a world seeking reliable, carbon-free power and steadfast national security, that is a standard worth upholding.
For current information on LMC’s NQA-1 compliant build to print manufacturing capabilities:
Read the full announcement →
