final acute value

initialism: FAV
https://doi.org/10.1351/goldbook.14687
Estimate of the concentration of a substance corresponding to a cumulative probability of \(\pu{0.05}\) in the acute toxicity values for all species for which acceptable acute tests have been conducted on the material.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 886 [Terms] [Paper]