Abiotic depletion potential (ADP) is a measurement of how much non-living natural resources are removed from the earth. It's used to assess the environmental impact of the depletion of non-renewable resources, such as fossil fuels, metals, and minerals.
ADP is calculated by dividing the annual production of a resource by its ultimate reserve, and then dividing that by the same ratio for a reference resource. The reference resource is usually antimony (Sb).
ADP is used in a number of ways, including:
Life cycle assessment (LCA) methodology: ADP is used to create Product Environmental Footprints (PEF).
Environmental product declarations (EPDs): ADP is used to calculate, assess, and generate environmental product declarations.
Some say that ADP values have not been updated since 2002, despite updates to annual production and crustal content data. Others say that the coverage of elements by ADPs is incomplete, which can affect the relative ranking of abiotic resources
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