Burning charcoal gives off carbon monoxide. Carbon monoxide has no odor and can kill you. Never burn charcoal inside homes, tents, campers, vans, cars, trucks, garages, or mobile homes. If they are used, they could cause a fire or an explosion. Silt and corrosion from flood water can damage internal components of control valves and prevent proper operation.
Gas can leak and result in an explosion or fire.
Replace ALL gas control valves that have been under water. Discard ALL circuit breakers and fuses that have been submerged.