What kind of information is needed to calculate key figures?
And how can the key figures be calculated?
Most of the necessary information needed to calculate the key figures would be available through the work with the self-declaration in accordance with EN 13427.
In this chapter an example of how to calculate the key figures will be given. Figure 3 shows the packaging system for a product called "Good to eat". The consumer packaging is a plastic bag, the retail packaging is a corrugated paper box transported on a Euro pallet with plastic wrapping.
Figure 3 Packaging system for the product "Good to eat".