Final answer:
Sanitization is required immediately before serving each patron to achieve levels deemed safe for public health.
Step-by-step explanation:
Sanitization is required immediately before serving each patron to achieve levels deemed safe for public health. It refers to the cleansing of fomites, such as dishes and surfaces, to remove enough microbes. For example, commercial dishwashers in the food service industry use hot water and air to kill most microbes and sanitize the dishes.