Wastes in class A are those that emit negligible quantities of radiation

Wastes in class A are those that emit negligible quantities of radiation and heat thereby making protective gear not mandatory for workers. Class B wastes emit higher quantities of radiation than class A wastes. Therefore, workers require protective gear when handling them. Furthermore, isolation and packaging are required for these wastes. Class C wastes need five centuries to be isolated from the biosphere, and their disposal by burying requires engineered barriers in holes that are at least five meters deep.