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EcoSpold 1 · Calculation comparison

BAFU 2026 v1, Eutrophication marine

A comparison of published impact results with VoLCA calculations from the same source data and the publisher’s impact factors. Points on the diagonal agree.

This page shows engine v0.13.0, which is not the newest measured. Compare the engine versions, or see the current comparisons.

Engine version
volca 0.13.0 (8c0396c, v0.13.0, linux)
Measured on
Comparison measurements and reference
DatabaseBAFU 2026 v1
Source formatEcoSpold 1
Impact method collectionEF 3.1 adapted 1.05
Impact categoryEutrophication marine
Unitkg N eq
Activities compared11,664
Median ratio (VoLCA / published)1.0000
Comparison band1%
Activities outside the band54
Share outside the band0.46%
VerdictAgrees: meets the agreement a release is held to
Points drawn1,989
Largest relative deviation+41.94%
Activity with largest deviationUranium natural, at underground mine
Published referenceBAFU-2026 v1 LCIA Results.xlsx
BAFU 2026 v1, Eutrophication marine
Each point is one activity: what BAFU 2026 v1 published for Eutrophication marine (kg N eq), against what VoLCA computes from the same EcoSpold 1 source under the publisher's own EF 3.1 adapted 1.05 factors. The black line is equality and the grey band is 1%. 11,664 activities were compared; 1,935 from inside the band are drawn, evenly spaced over the published value, plus the 54 outside it. Where several fall on one spot, at most three markers are drawn there, since a fourth would not darken it. Median ratio 1.0000, 0.46% outside the band. This meets the agreement a release is held to: at most 5% of activities outside the band and a median ratio inside it.