Food Safety Report: Salad, Smoke On the Water, Augusta Street, Greenville, SC, USA 8 months ago • details 10 Suspected food poisoning. Symptoms: Vomiting Suspected source: Salad Onset: Right away Duration: Less than 4 hours Sick: 2 people Additional information: Vomited within 1 hour of eating a salad at the restaurant. The mixed greens were wilted.