Environmental management. Life cycle assessment. Principles, requirements and guidelines for normalization, weighting and interpretation
Environmental management. Life cycle assessment. Principles, requirements and guidelines for normalization, weighting and interpretation
1 Scope This document specifies principles, requirements and guidelines for normalization , weighting and life cycle interpretation, in addition to those given in ISO 14040 and ISO 14044. The document is applicable to any life cycle assessment (LCA) and footprint quantification study. In particular, this document addresses:
— the use of normalization and its limitations;
— the use of weighting and its limitations;
— the selection or development of weighting factors;
— the generation of single scores;
— requirements that relate to documentation and reporting.
For the interpretation phase, it provides, in addition to ISO 14044, procedures and guidance for:
— performing completeness, sensitivity and consistency checks;
— addressing uncertainties and limitations;
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