This data is used in a couple of ways:
Determining what 'Primary' and 'Secondary' processes and 'End of life' options are applicable to the material.
Calculating the embodied energy and CO2 footprint associated with the specified life cycle.
The environmental data listed in a typical material database record and its use by the Eco Audit Tool is summarized below:
For information on the source and precision of the environmental data see: data sources and data precision.