All hazardous waste poses dangers to the environment, animals, and people that come in contact with it, and this waste stream requires special hazardous waste disposal steps. However, there are some less common classes of hazardous waste that are particularly dangerous, and people creating, handling, storing, or disposing of this waste need to be aware of the extra precautions that should be taken to be fully safe and legally compliant. With that in mind, the following are some less common classes of hazardous waste and how to safely dispose of them.