The LCIA highlighted that the total damage associated with the
analysed system is equal to 0.00156 pt and is mainly due to production
of 1 kg of PS granule: indeed, this phase contributes to that damage for
69.3%, corresponding to 0.00108 pt. In addition, consumption of the
electricity required for the whole process (1.417 kWh) covers 14.5% of
the total damage.