Why some elementary flow's impact factor are empty ? (PEF secondary data)

Question

Hello,

I use the ef_secondary_data_202202_1 dataset and I observe that some elementary flows, which are used in processes, does not have impact factor provided.

Example with the Emission to air/Emission to air, unspecified/potassium. This elementary flow is used as an emission in plenty of processes of the dataset but I guess it don't have impact on the analysis.

Am I rigth ? Is this normal ?

Than you in advance.

sjamil · Answer 1 · 2023-05-03T21:02:58+0000

Hello Nico, you may have to model the flows to the respective impact assessment method. Please be sure to use correct impact factors for each representative flow. Thanks

Why some elementary flow's impact factor are empty ? (PEF secondary data)

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Why some elementary flow's impact factor are empty ? (PEF secondary data)

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