Question

how can we prevent and prepare for chemical disaster ​

Answer 1

Fortunately, a few simple precautions can help you avoid many chemical emergencies. Avoid mixing chemicals, even common household products. Always read and follow the directions when using a new product. Store chemical products properly. Beware of fire.

Answer 2

how can we prevent and prepare for chemical disasterDo not empty chemical container contents onto the ground, into drains, or into waterways.
Be alert for leaking containers and reactive household chemicals, such as caustic drain cleaners and chlorine bleach.
Keep children and pets away from stored, leaking, and spilled chemicals.
Leave damaged or unlabeled chemical containers undisturbed whenever possible.
Follow your local solid waste authority’s guidance for disposal of broken, leaking, empty, or unlabeled chemical containers. Do not throw them away with your regular trash