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Dear colleagues, I realised in some processes of ecoinvent database v3.6 that the uncertainty value of pedigree matrix is different from that one used in the lognormal distribution as geometric standard deviation (GSD). I am wondering why there is this difference, as we can use the uncertainty from pedigree matrix directly in the uncertainty value of the flow ('Use as uncertainty value' button).

Regards.
in openLCA by (130 points)

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