There are several materials that are not safe to put in your recycling bin and it’s important to know what they are. Concrete and drywall, for example, are two materials which can be found at many job sites, residential and commercial. They’re both harmful to the environment if left in the landfill, which is why at Mr. Waste we ensure safe and appropriate disposal. Concrete is made up of some pretty harmful materials, including lime and rock dust. When it’s put back into the earth, it causes irreversible damage to the environment. Recycling concrete is the best approach to take. …