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EcoSpold 1 · Calculation comparison

BAFU 2026 v1, Ecotoxicity freshwater

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 categoryEcotoxicity freshwater
UnitCTUe
Activities compared11,641
Median ratio (VoLCA / published)0.0000
Comparison band1%
Activities outside the band11,641
Share outside the band100%
VerdictDisagrees, for a known reason
Known reasonThe method file's undivided category lists only 1109 substances, each named with a leading digit or punctuation mark and none of them a metal or a pesticide, while the published column is the whole indicator.
Points drawn2,106
Largest relative deviation-100%
Activity with largest deviationDisposal, wood ash mixture, pure, 0% water, to landfarming
Published referenceBAFU-2026 v1 LCIA Results.xlsx
BAFU 2026 v1, Ecotoxicity freshwater
Each point is one activity: what BAFU 2026 v1 published for Ecotoxicity freshwater (CTUe), 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%. 11,641 activities were compared; 11,641 fall outside the band, more than a picture can hold, so 1,941 of the 11,641 are drawn, evenly spaced over the published value whichever side of the band they fall, and the 165 of the 200 farthest from equality that this walk missed are added. Where several fall on one spot, at most three markers are drawn there, since a fourth would not darken it. Median ratio 0.0000, 100.00% outside the band. This misses the agreement a release is held to (at most 5% of activities outside the band and a median ratio inside it), for a known reason: The method file's undivided category lists only 1109 substances, each named with a leading digit or punctuation mark and none of them a metal or a pesticide, while the published column is the whole indicator.