Cleanrooms are used in food and beverage manufacturing to conform with FDA CGMP regulations.
…“Following Current Good Manufacturing Practices (CGMPs) help to ensure the safety of food. CGMP regulations generally address matters including appropriate personal hygienic practices, design and construction of a food plant and maintenance of plant grounds, plant equipment, sanitary operations, facility sanitation, and production and process controls during the production of food." …
The NSF is another standard for the food and beverage industry. The National Sanitation Foundation Institute is an organization that certifies food equipment that is designed and built in accordance with U.S. Food and Drug Administration (FDA) food safety and environmental health standards. Many beverages and food manufacturer conform to NSF standards.
Cleanrooms are most common for beverage bottle filling operations but also for some food products. Since the bottles are often filled and sealed at elevated temperatures in moist steam filled environments, preventing contamination is very important.