Blue Bottle Coffee Inc

Official wording

Store wiping cloths used to wipe service counters, scales, or other surfaces that may come into contact with food in clean water with sanitizer or use only once; separate sanitizing containers shall be provided for wiping cloths used with raw animal foods.

In plain English

Food was stored or handled in a way that could let germs or other material get into it, such as raw meat stored above ready-to-eat food or uncovered food. Cross-contamination is a common cause of foodborne illness.