Which of the following locations is NOT appropriate for washing hands?

Washing hands is a critical practice in food safety, and certain sink types are designated specifically for this purpose. The handwashing sink is designed exclusively for handwashing, ensuring that employees can maintain proper hygiene without contaminating food preparation areas.

The key reason the prep sink is identified as not appropriate for handwashing is that it is intended for food preparation tasks, which could introduce harmful bacteria to hands that may come into contact with food. Handwashing sinks are specifically installed for the sole purpose of hand hygiene, reinforcing the importance of cleanliness in areas where food is handled.

Similarly, the service sink and utensil sink serve different functions; they are primarily designed for cleaning equipment and disposing of waste rather than for washing hands. Using these sinks for handwashing could compromise food safety by mixing handwashing with the cleaning of utensils or disposal tasks, leading to potential cross-contamination.

In summary, the only appropriate location for handwashing is the designated handwashing sink, making the prep sink unsuitable for this essential hygiene practice.