Final answer:
The rating on a personnel evaluation that would result in technicians being decertified is Unsatisfactory (Unsat).
Step-by-step explanation:
The subject of this question is Business. It is asking about the rating on a personnel evaluation that would result in technicians being decertified.
The correct answer is Unsatisfactory (Unsat). Technicians will be decertified if they receive an Unsat rating on a personnel evaluation.
Receiving an Unsat rating indicates that the technician's performance is not meeting the required standards and they are not performing their job satisfactorily. This could include issues with job knowledge, skill proficiency, or adherence to safety protocols.