What does “food grade” warehousing mean?

The US Food and Drug Administration (FDA) sets safety standards for the materials and equipment used to store, prepare, or produce food to prevent foodborne illnesses caused by the contamination or cross-contamination of food and beverages.

Food-grade warehouses are registered with the FDA, subject to regular food safety inspections, keep food products at the appropriate temperatures and adhere to strict FDA standards of cleanliness to keep food products in a good and safe condition.