# 417.1 Definitions.
For purposes of this part, the following definitions shall apply:
*Corrective action.* Procedures to be followed when a deviation occurs.
*Critical control point.* A point, step, or procedure in a food process at which control can be applied and, as a result, a food safety hazard can be prevented, eliminated, or reduced to acceptable levels.
*Critical limit.* The maximum or minimum value to which a physical, biological, or chemical hazard must be controlled at a critical control point to prevent, eliminate, or reduce to an acceptable level the occurrence of the identified food safety hazard.
*Food safety hazard.* Any biological, chemical, or physical property that may cause a food to be unsafe for human consumption.
*HACCP System.* The HACCP plan in operation, including the HACCP plan itself.
*Hazard.* SEE *Food Safety Hazard.*
*Preventive measure.* Physical, chemical, or other means that can be used to control an identified food safety hazard.
*Process-monitoring instrument.* An instrument or device used to indicate conditions during processing at a critical control point.
*Responsible establishment official.* The individual with overall authority on-site or a higher level official of the establishment.