What is one rule regarding chemical contamination in food storage?

Labeling all containers with the chemicals they contain is a crucial rule regarding chemical contamination in food storage. This practice helps prevent accidental use of hazardous substances in food preparation or consumption. Proper labeling ensures that staff can easily identify the contents of each container, reducing the risk of chemicals being mistaken for food ingredients or being used improperly.

Additionally, clear labeling can help in the event of an emergency, making it easier for emergency responders to know what chemicals are present. This is particularly important in a food service environment where safety for the customers and staff is paramount. The other options would lead to dangerous situations by mixing food with toxic substances or by confusing chemicals with food products, increasing the likelihood of contamination and health risks.