Food Safety Report: Costco Wholesale, Fischer Crossings Boulevard, Sharpsburg, GA, USA 2 years ago • details 6 Comments Comment Suspected food poisoning. Symptoms: Diarrhea, Nausea, Vomiting, Stomach Pain Suspected source: Ribs Onset: Less than 4 hours Duration: 12 to 24 hours Sick: 2 people Additional information: Ribs cooked to correct temp