An ignitable material can burst into flames easily. Gasoline, paint, and furniture polish are ignitable. Reactive A reactive material can explode or create poisonous gas when combined with other chemicals. For example, chlorine bleach and ammonia are reactive and create a poisonous gas when they come into contact with each other. Toxic Toxic materials or substances can poison people and other life.
Toxic substances can cause illness and even death if swallowed or absorbed through the skin.
Pesticides, weed killers, and many household cleaners are toxic. Ideally, hazardous waste is reused or recycled. If this is not possible, hazardous waste is safely contained while it is stored, transported, and properly disposed of to prevent an accidental release into the environment. Advances in technology have greatly improved our ability to treat or dispose of hazardous waste in a way that prevents it from harming people or the environment. More promising methods focus on minimizing waste, reusing and recycling chemicals, finding less hazardous alternatives, and using innovative treatment technologies .