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I just did an analyse-calculation for the ecoinvent dataset "chipboard production, white lined | folding boxboard/chipboard | Cutoff, U".

When I click on the contribution tree, I see that the value for chipboard production is 0.89 kg CO2eq.

However, when I create the sum of all the CO2eq amounts from the contributer, I get the result: 0,53 kg CO2eq.

How is this possible?
in openLCA by (230 points)

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