Karen takes coleslaw out of the refrigerator at noon to serve at a picnic wedding. Besides labeling the food with the time it was removed, what other precaution must be taken to ensure food safety?

Cold foods must be held at 41 degrees Fahrenheit or below until served and an insulated container may not be sufficient to maintain this temperature. The internal temperature of cold food must be measured every 2 hours. It is necessary to keep the food covered, but it should not sit at room temperature while waiting to be served.