The specific period of time during which objects being sanitized must be immersed in a solution. Varies based on type of sanitizer.

• A. Contamination
• B. Flow of Food
• C. Contact Time
• D. Cleaners

Answer: (C)

Contact time is the specific period during which an item must remain in a sanitizing solution for the sanitizer to work effectively. This duration isn’t the same for every sanitizer; it varies based on the type of sanitizer, its concentration, water temperature, and how dirty the item is. Following the manufacturer’s recommended contact time ensures the sanitizer can properly reduce or kill microbes before the item is rinsed or dried. The other terms don’t describe this requirement: contamination is about the presence of harmful microbes, flow of food relates to how hazards move through a process, and cleaners are used to remove soil rather than to sanitize, requiring a separate sanitizing step with its own contact time.