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General comment 1 t binders
The Buzzi Unicem group annually feeds the EPD process with primary data relating to the manufacture of each product; any primary data of external origin are instead subject to validation by the Ecology, Environment and Safety Department of the Buzzi Unicem group.
Finally, third-party verification certifies the overall reliability of the EPD process.
If allocation cannot be avoided, it is handled in accordance with the relevant ISO standards (14040, 14044), in which case mass allocation is adopted.
The auxiliary energy consumption is split between clinker and cement to the extent of 66% and 34%: the criterion is to be considered representative for the two processes.
In accordance with regulatory standards, the cut-off criterion is set at 1% of mass and energy flows. Packaging transport and lubricating oils and greases for plant maintenance fall into the 1%.
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