Methodological guidance for the environmental assessment of aluminium intermediate and semi-finished products
This document provides recommendations to LCA practitioners for calculating the environmental impact of aluminium intermediate and semi-finished products. The content of the document may also be used by European Aluminium when providing feedback on LCA-related technical documents under discussion, such as standards or legislative proposals.
Characterization factor:
The current version of the guidance recommends AR3 (100 year GWP)
To align with PACT Methodology: Use the latest version of the IPCC Assessment Report publication as indicated in Chapter 3.2.1 of the PACT Methodology
Exemption rule
The current version of the guidance has an exemption rule of max. 1% of mass and energy at individual attributable processes, and cumulative at max. 3% of mass and energy
To align with PACT Methodology: Ensure the max. 1% of emissions at individual attributable processes, and cumulative at max. 5% of emissions overallas indicated in Chapter 3.3.1.2 of the PACT Methodology
Biogenic emissions and removals:
Not been relevant for this product, so not currently included
Recycling and energy recovery
The current version of the guidance recommends different options for pre-consumer scrap, cut-off is one of those
To align with PACT Methodology: Use the recycled content method as indicated in Chapter 3.3.2.3 of the PACT Methodology
Validity period
The current version of the guidance does not specify a PCF validity period
To align with PACT Methodology: Follow the 3-year cycle or earlier if > 10% variance criteria as indicated in Chapter 6.1.2.1 of the PACT Methodology
Data quality metrics
The current version of the guidance does not mandate the calculation of any specific data quality metrics
To align with PACT Methodology: Use the data quality metrics as indicated in Chapter 4.2 of the PACT Methodology
Assurance and verification
The current version of the guidance does not include specific requirements about the level and basis for assurance and verification
To align with PACT Methodology: Follow the requirements specified in Chapter 5 of the PACT Methodology
