Life Cycle Impact Assessment: Basis: The Inventory Table
The figure shows extracts of an inventory table of a product. The information is aggregated on the life cycle level, that means all in- and outputs from and to the environment are summed up.
Since modeling of environmental effects is not feasible and practical for every single elementary flow separately, these flows are first classified and then characterized.
What does this mean?

References
- Eyerer, P, Ganzheitliche Bilanzierung, Springer-Verlag, 354059356X

- Rubin, ES, Introduction to Engineering and the Environment, McGraw-Hill, 0072354674

- ISO 14040-Series, Environmental Management – Life Cycle Assessment, ISO,

- Meadows, DL, Die Grenzen des Wachstums, Deutsche Verlags-Anstalt, 3421026335

- Enquete-Kommission "Schutz des Menschen und der Umwelt" des Deutschen Bundestages (Hrsg.), Verantwortung für die Zukunft : Wege zum nachhaltigen Umgang mit Stoff- und Materialströmen, Economica-Verlag GmbH, 3870815035
