Sulfur dioxide spills out of the Riverside Central warehouse near the Adams County port Monday morning. The gas resulted in the decomposition of a pallet of fermamidine sulfinic acid stored in the warehouse. Businesses and houses within a half-mile downwind from the warehouse were evacuated as a precautionary measure. View photo »

Dressed in a hazardous material suit Natchez Firefighter Anthony Moore ventures into the Riverside Central Warehouse to scope out the situation after sulfuric dioxide poured out of the warehouse as the result of a chemical fire Monday. View photo »

Natchez firefighter Anthony Moore dresses in a hazardous material suit before entering the Riverside Central warehouse where a chemical fire caused a cloud of sulfuric dioxide gas. View photo »

Natchez firefighter Bob Cain is sprayed down after inspecting the scene of a chemical fire at the Riverside Central warehouse Monday morning. View photo »

The Natchez Hazardous Incident Response Team unit was called to the scene of a chemical fire Monday morning. View photo »

Sulfuric dioxide pours out of the Riverside Central warehouse Monday morning. View photo »

Dressed in hazardous materials suits Natchez firefighters Anthony Moore and Bob Cain travel down L. E. Barry Road Monday morning to examine the scene of a chemical fire at the Riverside Central warehouse. View photo »