What kind of warning may be issued for non-compliance with plant operation regulations?

A written warning is a formal notification issued to individuals or organizations that are found to be in violation of plant operation regulations. This warning serves several important purposes: it clearly documents the non-compliance issue, outlines the specific regulations that have been violated, and provides guidance on the necessary steps to rectify the situation. The formality of a written warning emphasizes the seriousness of the non-compliance and ensures there is a permanent record of the incident, which may be referred to in the future.

Other options, although they may encourage compliance or foster communication, do not carry the same level of seriousness or formality that a written warning does. Helpful reminders and informal discussions may provide guidance and encouragement, but they lack the authoritative weight necessary to enforce regulations effectively. Training sessions, while valuable for educating personnel about proper procedures, do not specifically address past violations and cannot serve the same role as issuing a warning. Therefore, a written warning is the most appropriate response for non-compliance with regulations.