How frequently must food contact surfaces in constant use be cleaned and sanitized?

The recommended frequency for cleaning and sanitizing food contact surfaces that are in constant use is every four hours. This practice is crucial to maintaining food safety and preventing cross-contamination, which can lead to foodborne illnesses.

When surfaces such as cutting boards, countertops, and utensils are used frequently, they can become contaminated with bacteria and other pathogens from raw foods, spills, or contact with hands. Cleaning removes visible debris and food particles, while sanitizing reduces the number of pathogens to safe levels. By adhering to a four-hour cleaning and sanitization schedule, food handlers ensure that these surfaces remain safe for food preparation.

This practice aligns with health regulations and guidelines designed to promote food safety in restaurants and other food service establishments, creating a safer environment for both employees and customers. The other options reflect intervals that are either too short or too long, which could lead to greater risk of contamination and foodborne illness.