an order the desirability of different waste management practices, which may include but is not limited to: reduction; reuse; recycling; recovery; and residue disposal
a ranking of waste management operations according to their environmental or energy benefits. The purpose of the waste management hierarchy is to make waste management practices as environmentally sound as possible.
A priority waste flow list, under the Waste Minimistation and Management Act 1995 where waste avoidance is the highest priority followed by, re-use, recycling, and reprocessing. Waste disposal is viewed as the last option for waste reduction.