Table 2.

Recommended checklist of actions to avoid the pitfalls during the development of LCAs comparing CR with other waste disposal routes

Checklist
Are the objectives of the LCA studies clear?
Does the LCA clearly specify what CR processes are included into the study?
If multiple CR technologies have been considered, does the study present sufficient evidence on each of these technologies?
Is the technology readiness level of each of the processes considered in the comparison consistent?
Is the scale of the processes considered in the comparison consistent?
Have the feedstocks for both the CR and MR technologies considered been defined?
Are the system boundaries consistent between MR and CR processes?
Is the allocation method adopted clear?
Does the LCA study considered adopt the ‘substitution allocation’ method?
Have the quality of the outputs for both MR and CR technologies considered in the study been defined?
Is the functional unit selected consistent and applicable to directly compare the impact of MR, CR, and other waste management processes?
Is the list of reference data and assumptions available and clear?
Is the study considering additional environmental impact categories (i.e., eutrophication, acidification) or just the global warming potential?

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