Last week in Ohio a train derailed that was hauling lots of toxic chemicals and released lots of toxic things into the air. Five of the train cars where carrying vinyl chloride, a colorless gas used to make plastic products that can cause dizziness. Human health is a very big concern right now because of the chemical spill and it is a has-mat situation where only certain people are allowed to go help with the situation and clean up the spill. The chemical is in the water in Ohio and a lot of the surrounding crops.