conservative assessment of risk

https://doi.org/10.1351/goldbook.15591
Assessment of risk that assumes the worst possible case scenario and therefore gives the highest possible value for risk: Risk management decisions based on this value will maximize safety.
Source:
PAC, 2007, 79, 1153. (Glossary of terms used in toxicology, 2nd edition (IUPAC Recommendations 2007)) on page 1196 [Terms] [Paper]