Important to Safety

NRC seeks to define the term “important to safety”

The regulations in 10 CFR Part 50 on reactor safety designate some structures systems, and components as safety related.

Outside of this group, the Nuclear Regulatory Commission routinely refers to some non-safety-related items as “important to safety.” The NRC has received a petition for rulemaking requesting that the agency amend its regulations to define the term “important to safety,” and the NRC has docketed the petition and opened it to public comment.

Download PDF