Establishing Critical Limits involves what kind of measurements?

Establishing Critical Limits is a fundamental component of food safety management systems, particularly in the context of Hazard Analysis Critical Control Point (HACCP). Critical Limits are predefined standards or thresholds that must be met to ensure food safety at each critical control point. This involves factors that can be quantified and verified through measurement or observation.

The choice that includes both measurable and observable factors is correct because it reflects the necessity for concrete data to confirm that safe levels of food handling are maintained. For instance, this might include temperature readings to ensure food is cooked or held at safe levels or time limits for holding food. These measurements are essential as they help prevent foodborne illnesses by ensuring safety standards are adhered to in real-time.

In contrast, qualitative assessments, emotional responses, and purely subjective data do not provide the objective standards needed for ensuring food safety. Qualitative assessments may lack the precision required to define safety limits effectively, while emotional responses of staff are not a reliable indicator of food safety practices. Subjective data may vary from person to person and cannot serve as a consistent benchmark for safety. Thus, the correctness of the answer highlights the integral role of measurable and observable factors in maintaining food safety through established critical limits.