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EcoSpold 1 · Calculation comparison

BAFU 2025 v1, Main air pollutants and PM

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.

Engine version
volca 0.14.0 (bd7e64a, v0.14.0, linux)
Measured on
Comparison measurements and reference
DatabaseBAFU 2025 v1
Source formatEcoSpold 1
Impact method collectionEcological Scarcity 2021
Impact categoryMain air pollutants and PM
UnitUBP
Activities compared11,565
Median ratio (VoLCA / published)1.0000
Comparison band1%
Activities outside the band220
Share outside the band1.9%
VerdictAgrees: meets the agreement a release is held to
Points drawn2,101
Largest relative deviation-53.73%
Activity with largest deviationTrichloromethane, at plant {RER}
Published referenceBAFU-2025 ecospold1.zip!BAFU-2025_LCIA Results.xlsx
BAFU 2025 v1, Main air pollutants and PM
Each point is one activity: what BAFU 2025 v1 published for Main air pollutants and PM (UBP), against what VoLCA computes from the same EcoSpold 1 source under the publisher's own Ecological Scarcity 2021 factors. The black line is equality and the grey band is 1%. 11,565 activities were compared; 220 fall outside the band, more than a picture can hold, so 1,928 of the 11,565 are drawn, evenly spaced over the published value whichever side of the band they fall, and the 173 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 1.0000, 1.90% 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.