independent joint action

https://doi.org/10.1351/goldbook.14753
Production of an effect by each toxicant in a given exposure that is independent of the others and occurs by a different mode of action.
Source:
PAC, 2009, 81, 829. (Glossary of terms used in ecotoxicology (IUPAC Recommendations 2009)) on page 899 [Terms] [Paper]