Food Safety Report: Firehouse Subs Apple Valley, 150th Street West, Apple Valley, MN, USA 11 months ago • details 47 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: Firehouse sub sandwich Onset: 12 to 24 hours Duration: 4 to 12 hours Sick: A loved one